Parts (4900300057, P3500003AA, Z08330300012AA) - Water Draining Valve, Sprocket Wheel

Core Purpose, Equipment Adaptation & User Demand

We focus on the production and supply of high-precision, OEM-compatible industrial spare parts, specifically engineered for heavy-duty industrial machinery, drawworks systems, transmission assemblies, hydraulic/pneumatic systems, engine sump units, and clutch systems—with key models including4900300057 Water draining valve, P3500003AA Sprocket wheel II P=44.45,Z=49, Z08330300012AA Hose assembly, Z01070000001AA Oil draining unit, sump of engine, and Z08200000001AA Air cylinder. All our parts fully comply with global industry standards, such as ISO 9001 (Quality Management System), ISO 281 (Rolling Bearings), ISO 3320 (Sealing Components), DIN 931 (Bolts), SAE J1926 (Hydraulic Hose Assemblies), GB/T 3452.1 (O-Rings), and API 6D (Valves), ensuring reliable performance, perfect compatibility, and long service life in critical operational scenarios. Our products are tailored to address the segmented needs of three core target users, all centered on efficient, safe, and compliant equipment operation—with every detail aligned to our production and supply mission. Industrial Maintenance Technicians need durable, easy-to-install replacement parts that eliminate frequent breakdowns—such as corrosion-resistant 4900300057 water draining valves, wear-resistant P3500003AA sprocket wheels, leak-proof Z08330300012AA hose assemblies, and precision P1103053AA right bearing spacers—to reduce maintenance time, labor costs, and unplanned downtime. Machinery Operators require parts that ensure smooth, uninterrupted equipment operation—including reliable Z07120400002AA cylinder bodies, stable Z05010800001AA dollies, efficient Z01070000001AA engine sump oil draining units, and secure 4300316070 M16X70 bolts—to avoid disruptions that cut into productivity and increase operational risks. Equipment Fleet Managers seek cost-effective, compliant parts that extend machinery service life and reduce long-term replacement costs—such as high-strength P9850034AA cross beams, robust Z03050100124AA drawworks frames, and standard-compliant QBJ10011208 Z1.1/2”-Z1” bushings—to maintain operational efficiency, meet safety regulations, and control procurement budgets. The core purpose of our products is to serve as direct, high-quality replacements for worn or faulty components in industrial machinery, solving common on-site pain points that plague operations: clogged 4900300057 water draining valves causing water buildup and component corrosion; worn P3500003AA sprocket wheels disrupting power transmission; leaky Z08330300012AA hose assemblies wasting hydraulic fluid; loose 4300316070 bolts causing component misalignment; and faulty Z01070000001AA engine sump oil draining units leading to oil accumulation and engine damage. By providing parts that are easy to install, resistant to harsh industrial conditions, and fully compliant with global standards, we help our users minimize downtime, lower maintenance costs, ensure workplace safety, and keep their machinery running at peak performance—all while prioritizing the production and supply of reliable, fit-for-purpose industrial spare parts.

Product Overview

We specialize in the production and supply of a comprehensive range of industrial spare parts, specifically designed for drawworks systems, transmission assemblies, hydraulic/pneumatic systems, engine sump units, clutch systems, and structural framing of heavy-duty industrial machinery. Our product portfolio covers all critical functional categories required for on-site operation and maintenance, with each part engineered as a direct OEM-compatible replacement to eliminate the need for on-site modifications, streamline maintenance workflows, and ensure seamless integration with existing equipment. All parts are manufactured using premium materials and undergo rigorous quality control to meet ISO 9001, ISO 281, ISO 3320, DIN, SAE, API, and GB standards, guaranteeing durability, reliability, and long service life—all backed by our consistent production and supply capabilities. Below is a detailed breakdown of our core product categories, with key models and their practical applications, focused entirely on our production and supply mission: Valve & Sealing Components: 4900300057 Water draining valve (water draining valve for industrial machinery, removes excess water to prevent corrosion); 5402650041 Water draining valve (backup water draining valve, ensures continuous water removal); 4900450002 Working valve piece (valve core component, controls fluid flow in valve systems); 4900450009 Oil filling valve piece (oil filling valve core, regulates oil filling flow); 5300300084 Dust ring J110 (J110 dust ring, prevents dust from entering bearings and cylinders). Transmission & Bearing Components: P3500003AA Sprocket wheel II P=44.45,Z=49 (49-tooth sprocket wheel with 44.45mm pitch, transfers power via chains in transmission systems); P1103053AA Right bearing spacer (bearing spacer, ensures proper bearing alignment); P2400299AA Crown shaft (crown shaft, core component for power transmission in drawworks); P5400105AA Key B40X169 (B40X169 key, connects shafts and sprockets for power transfer); P0200219AA End cover, beairng, sprocket seat (bearing and sprocket seat end cover, protects bearings and sprockets from contamination). Hydraulic & Pneumatic Components: 1101009038 Hose assembly 16I -900 (16mm I-type hydraulic hose assembly, 900mm length, high-pressure fluid transmission); Z08330100026AA Hose assembly (general-purpose hydraulic hose assembly, flexible fluid transfer); Z08330300012AA Hose assembly (heavy-duty hydraulic hose assembly, for harsh operating conditions); 1101020062 Hose assembly 32II -800 (32mm II-type hydraulic hose assembly, 800mm length, high-volume fluid transmission); QBJ10011208 Z1.1/2”-Z1”bushing (Z1.1/2”-Z1” bushing, adapts different thread sizes for fluid lines); QBJ11011075 NPT1 1/4″X75 sub (NPT1 1/4″×75 sub, connects hydraulic/pneumatic components with different sizes); QBJ50501214 M12X1.5-M14X1.5 gauge fitting (M12X1.5-M14X1.5 gauge fitting, connects pressure gauges to hydraulic systems); K4122002AA Male union fitting (male union fitting, secures hydraulic/pneumatic line connections); Z08200000001AA Air cylinder (air cylinder, converts pneumatic pressure to mechanical force for linear motion); Z07120400002AA Cylinder body (cylinder body, housing for hydraulic/pneumatic cylinder components). Structural & Framing Components: P9850034AA Cross beam (cross beam for industrial machinery, provides horizontal structural support); P9840525AA Side brace (side brace, enhances lateral structural stability); P991121783AA Edge beam (edge beam, strengthens equipment edges against bending); P9810038AA Angle steel L=918 (918mm angle steel, structural framing and reinforcement); P9810178AA Right tension spring seat L120 (120mm right tension spring seat, positions and secures tension springs); P9840193AA Reinforced edge beam (reinforced edge beam, provides extra strength for equipment edges); P6218855AA Pad eye, hanging shaft (pad eye with hanging shaft, used for lifting and securing equipment components); P6219073AA Closing plate (closing plate, seals equipment openings to prevent contamination); P6101560AA Plug plate (plug plate, seals pipe or equipment openings); P9870095AA Column (column for industrial machinery, provides vertical structural support); Z03050100124AA Drawworks frame (drawworks frame, supports drawworks components); Z05011200132AA Intermediate part base (intermediate part base, supports intermediate equipment components); Z05012200052AA Setback area (setback area component, part of equipment structural framing); Z05011300256AA Folding plate (folding plate, adjustable structural component for equipment access); Z05011401131 AA Toping assembly(left) (left toping assembly, structural component for equipment top section); Z05051300020AA Right upper support (right upper support, provides upper structural support for equipment); Z04121300003AA Right support (right support, general-purpose right-side structural support); P7200163AA Support (general-purpose support, secures various equipment components). Engine & Clutch Components: Z01070000001AA Oil draining unit, sump of engine (engine sump oil draining unit, removes excess oil from engine sump); Z16060000013AA Clutch nameplates (clutch nameplate, identifies clutch components for maintenance); Z16160200001 AA Guard, clutch (clutch guard, protects clutch components and operators from hazards). Fasteners & Connecting Components: P2000058AA Pin (pin for industrial machinery, connects small components and enables limited rotation); 4313600052 Lock washer 52 (52mm lock washer, prevents fasteners from loosening under vibration); Z04180100001AA Pin plate (pin plate, secures pins in place); 4300316070 Bolt M16X70 (M16X70 bolt, high-torque fastening for heavy-load components); 4301316050 Bolt M 16×50 (M16×50 bolt, light to medium torque fastening); P1000126AA Washer, spherical pin (spherical pin washer, distributes pressure and protects spherical pins). Auxiliary Components: Z04020800004AA Stairs (stairs for industrial machinery, provides safe access to equipment platforms); Z05010800001AA Dolly (dolly, used for moving equipment components or tools); Z04210400004AA Escaping line, racking board (escaping line for racking board, safety component for equipment racking systems). All our parts are manufactured using high-quality materials: high-strength carbon steel and stainless steel for structural components, fasteners, sprockets, and shafts; corrosion-resistant brass/copper for fittings and bushings; durable nitrile rubber/PTFE for dust rings, seals, and hose assemblies; reinforced rubber and steel wire for hydraulic hoses; and high-grade cast iron for engine sump units and cylinder bodies. Every part undergoes strict quality control processes, including raw material inspection (compliant with ISO 9001 and API standards), precision CNC machining (for tight tolerances), pressure testing (for hydraulic components and valves), load testing (for structural parts and fasteners), bearing performance testing, and final performance verification—ensuring each part meets or exceeds global industry standards, delivers long service life, and integrates seamlessly with existing equipment, all backed by our reliable production and supply capabilities.

Functional Features

Our spare parts are designed to directly solve the most common on-site pain points—water buildup, power transmission failure, hydraulic/pneumatic leaks, structural instability, engine oil accumulation, and clutch hazards—with functional features that prioritize reliability, ease of use, durability, and compliance. Every part is engineered with the end user’s needs in mind, ensuring it performs consistently in harsh industrial environments, while aligning with our core focus on production and supply of fit-for-purpose components. Below are the key functional features of our product range, tailored to the specific roles of each part:

• Efficient Water & Oil Management: 4900300057 Water draining valve and 5402650041 Water draining valve remove excess water efficiently—corrosion-resistant design, easy-to-operate handle, and leak-proof seal prevent water buildup, protecting equipment from corrosion and damage. Z01070000001AA Oil draining unit, sump of engine drains excess oil from engine sump—smooth oil flow design, corrosion-resistant construction, and easy maintenance ensure engine health by preventing oil accumulation. 4900450009 Oil filling valve piece regulates oil filling flow—precision design, leak-proof seal, and easy installation ensure controlled oil filling without waste.

• Smooth Power Transmission: P3500003AA Sprocket wheel II P=44.45,Z=49 transfers power smoothly and efficiently—49 precision-cut teeth and 44.45mm pitch ensure perfect compatibility with standard chains, wear-resistant heat-treated surface extends service life, and balanced design reduces vibration during power transfer. P1103053AA Right bearing spacer ensures proper bearing alignment—precision machining, corrosion-resistant material, and perfect fit prevent bearing misalignment, reducing friction and extending bearing life. P2400299AA Crown shaft transfers power reliably—high-strength steel, heat-treated surface, and precision machining ensure stable power transmission with minimal energy loss. P5400105AA Key B40X169 provides secure shaft-sprocket connection—precision dimensions, high-strength material, and easy installation prevent slipping between shafts and sprockets.

• Reliable Hydraulic & Pneumatic Performance: 1101009038 Hose assembly 16I -900, Z08330300012AA Hose assembly, and 1101020062 Hose assembly 32II -800 deliver stable fluid transmission—reinforced steel wire braid, oil-resistant outer layer, and leak-proof crimped fittings withstand high pressure (up to 40MPa) and prevent bursts. QBJ10011208 Z1.1/2”-Z1”bushing and QBJ11011075 NPT1 1/4″X75 sub adapt different thread sizes—precision threads, corrosion-resistant material, and leak-proof design ensure secure connections between hydraulic/pneumatic components. Z08200000001AA Air cylinder converts pneumatic pressure to mechanical force—smooth linear motion, durable construction, and easy maintenance ensure reliable performance in pneumatic systems. Z07120400002AA Cylinder body provides a durable housing—high-strength material, corrosion resistance, and precision machining ensure compatibility with cylinder components.

• Robust Structural Support: P9850034AA Cross beam and P9840525AA Side brace provide stable structural support—cross beam offers horizontal support, while side brace enhances lateral stability, both made of high-strength steel to withstand heavy loads. P991121783AA Edge beam and P9840193AA Reinforced edge beam strengthen equipment edges—reinforced design prevents bending and deformation, ensuring long-term structural integrity. P9810038AA Angle steel L=918 and P9870095AA Column support structural framing—angle steel is ideal for framing, while columns provide vertical support, both corrosion-resistant for long service life. P6218855AA Pad eye, hanging shaft enables safe lifting—high-load capacity, durable construction, and secure mounting ensure safe lifting of equipment components.

• Secure Fastening & Connection: 4300316070 Bolt M16X70 and 4301316050 Bolt M 16×50 deliver reliable fastening—precision threads, high-tensile strength, and corrosion resistance ensure a secure fit for heavy-load components, preventing loosening under vibration. 4313600052 Lock washer 52 prevents fastener loosening—elastic design maintains tension, ensuring bolts stay secure during operation. P2000058AA Pin and Z04180100001AA Pin plate provide secure component connection—pin connects small components, while pin plate secures pins in place, both easy to install and remove. P1000126AA Washer, spherical pin protects spherical pins—distributes pressure, prevents wear, and ensures smooth pin movement.

• Engine & Clutch Protection: Z01070000001AA Oil draining unit, sump of engine keeps engines clean—efficient oil draining, corrosion-resistant construction, and easy maintenance prevent oil accumulation and engine damage. Z16160200001 AA Guard, clutch protects clutch components and operators—robust steel construction, secure mounting, and compliant design create a safe barrier around clutch components, preventing hazards. Z16060000013AA Clutch nameplates simplify maintenance—clear labeling identifies clutch components, making maintenance and replacement easier.

• Dust & Contamination Prevention: 5300300084 Dust ring J110 prevents dust entry—flexible design, durable material, and precise dimensions form a tight seal, keeping dust out of bearings and cylinders. P6219073AA Closing plate and P6101560AA Plug plate seal equipment openings—secure fit, corrosion resistance, and durable construction prevent dust, moisture, and debris from entering equipment, protecting internal components.

• Easy Maintenance & Compatibility: All our parts are direct OEM replacements—no modifications needed, ensuring easy installation and reducing maintenance time. Components like Z04020800004AA Stairs and Z05010800001AA Dolly simplify on-site maintenance—stairs provide safe access to equipment, while dolly enables easy movement of components, reducing labor costs.

Structural Characteristics

Each of our spare parts is engineered with a structural design optimized for its specific function, ensuring durability, reliability, and compatibility with heavy-duty industrial machinery. We prioritize practicality and performance in every structural detail, using premium materials and precision manufacturing to ensure parts can withstand harsh industrial conditions—including extreme temperatures, heavy vibration, dust, moisture, and high pressure—while aligning with our production and supply commitment to quality. Below are the key structural characteristics of our core product categories:

• Valve & Sealing Components: 4900300057 Water draining valve is a brass or steel valve—cylindrical body, precision-machined internal components, handwheel or lever operation, and rubber sealing ring (leak-proof). 5300300084 Dust ring J110 is a rubber dust ring—J-shaped cross-section, flexible material, precision-molded, and smooth surface (low friction). 4900450002 Working valve piece is a steel or brass component—precision-machined surface, cylindrical shape, and sealing groove (for leak-proof performance).

• Transmission & Bearing Components: P3500003AA Sprocket wheel II P=44.45,Z=49 is a forged steel component—49 precision-cut teeth, 44.45mm pitch, hub (for shaft mounting), heat-treated surface (wear-resistant), and corrosion-resistant coating. P1103053AA Right bearing spacer is a cylindrical steel component—precision-machined inner and outer diameters, smooth surface, and corrosion-resistant coating (ensures proper bearing alignment). P2400299AA Crown shaft is a steel shaft—precision-machined surface, heat-treated (wear-resistant), splined end (for power transfer), and corrosion-resistant coating. P5400105AA Key B40X169 is a steel key—rectangular cross-section, 40mm width, 169mm length, precision-machined, and corrosion-resistant coating.

• Hydraulic & Pneumatic Components: 1101009038 Hose assembly 16I -900 has a multi-layer structure—inner rubber layer (compatible with hydraulic fluids), reinforced steel wire braid (high-pressure resistance), outer rubber layer (wear and corrosion resistance), and crimped metal fittings (leak-proof connection), 900mm length. Z08330300012AA Hose assembly has a similar multi-layer structure, with heavy-duty reinforcement for harsh conditions. QBJ10011208 Z1.1/2”-Z1”bushing is a brass bushing—precision Z1.1/2” and Z1” threads, cylindrical shape, and corrosion-resistant coating. Z08200000001AA Air cylinder is a steel cylinder—cylindrical body, precision-machined inner surface, end caps (with air ports), and corrosion-resistant coating. Z07120400002AA Cylinder body is a steel or cast iron cylinder—cylindrical shape, precision-machined inner surface, mounting flanges (for secure attachment), and corrosion-resistant coating.

• Structural & Framing Components: P9850034AA Cross beam is a steel beam—rectangular cross-section, high-strength steel, precision-machined ends, pre-drilled holes (for mounting), and corrosion-resistant coating. P9840525AA Side brace is a steel brace—angular design, welded joints (reinforced), pre-drilled holes (for mounting), and corrosion-resistant coating. P991121783AA Edge beam is a steel beam—L-shaped cross-section, reinforced design, precision-machined edges, and corrosion-resistant coating. P9810038AA Angle steel L=918 is an L-shaped steel component—918mm length, hot-dipped galvanized coating (corrosion-resistant), precision-cut ends, and uniform thickness. P9810178AA Right tension spring seat L120 is a steel seat—120mm length, groove (for spring fit), pre-drilled holes (for mounting), and corrosion-resistant coating. P6218855AA Pad eye, hanging shaft is a steel pad eye—circular pad, integrated hanging shaft, welded joints (reinforced), and corrosion-resistant coating.

• Engine & Clutch Components: Z01070000001AA Oil draining unit, sump of engine is a steel or cast iron unit—cylindrical or rectangular shape, oil drain port (with valve), mounting flanges (for engine attachment), and corrosion-resistant coating. Z16160200001 AA Guard, clutch is a steel guard—sheet steel construction, perforated design (visibility), mounting brackets (secure attachment), and corrosion-resistant coating. Z16060000013AA Clutch nameplates are metal nameplates—engraved labeling, adhesive or mounting holes (for attachment), and corrosion-resistant finish.

• Fasteners & Connecting Components: 4300316070 Bolt M16X70 is a steel bolt—M16X70 threads, hexagonal head, heat-treated (high tensile strength), and corrosion-resistant zinc plating. 4301316050 Bolt M 16×50 is a similar steel bolt, with 50mm length. 4313600052 Lock washer 52 is a steel washer—52mm inner diameter, wave-shaped design (elastic), and corrosion-resistant coating. P2000058AA Pin is a steel pin—cylindrical shape, precision-machined, and corrosion-resistant coating. Z04180100001AA Pin plate is a steel plate—pre-drilled holes (for pins), precision-machined, and corrosion-resistant coating.

• Auxiliary Components: Z04020800004AA Stairs is a steel stair assembly—steel steps (non-slip surface), steel handrails, mounting brackets (stable attachment), and corrosion-resistant coating. Z05010800001AA Dolly is a steel or plastic dolly—platform design, wheels (for movement), and load-bearing frame (corrosion-resistant).

Applicable Working Conditions

All our spare parts are field-tested and designed to perform reliably in the most demanding industrial operating environments, complying with ISO 9001, ISO 281, ISO 3320, DIN, SAE, API, and GB standards to ensure performance and safety in extreme conditions. Each part is tailored to withstand the specific environmental and mechanical stresses of its application, making them ideal for a wide range of industrial scenarios, all supported by our consistent production and supply capabilities:

• Valve & Sealing Components: 4900300057 Water draining valve, 5402650041 Water draining valve, and 5300300084 Dust ring J110 operate in industrial machinery fluid systems—withstanding temperature fluctuations (-20°C to +100°C), high pressure (up to 35MPa), vibration, and exposure to water, oil, and dust. They’re suitable for construction machinery, mining equipment, and industrial hydraulic systems—complying with API 6D and ISO 3320 standards.

• Transmission & Bearing Components: P3500003AA Sprocket wheel II P=44.45,Z=49, P1103053AA Right bearing spacer, and P2400299AA Crown shaft operate in transmission systems—withstanding temperature fluctuations (-30°C to +120°C), heavy torque, high speed, and exposure to oil and dust. They’re suitable for drawworks, industrial transmission assemblies, and heavy-duty machinery—complying with ISO 281 and DIN transmission standards.

• Hydraulic & Pneumatic Components: 1101009038 Hose assembly 16I -900, Z08330300012AA Hose assembly, Z08200000001AA Air cylinder, and QBJ10011208 Z1.1/2”-Z1”bushing operate in hydraulic/pneumatic systems—withstanding temperature fluctuations (-25°C to +100°C), high pressure (up to 40MPa), vibration, and exposure to hydraulic fluids, oil, and dust. They’re suitable for industrial hydraulic machinery, pneumatic systems, and construction equipment—complying with DIN 24342 and SAE J1926 standards.

• Structural & Framing Components: P9850034AA Cross beam, P9840525AA Side brace, P991121783AA Edge beam, and P9870095AA Column operate in equipment structural framing—withstanding temperature fluctuations (-30°C to +100°C), heavy loads, vibration, and exposure to dust, moisture, and chemicals. They’re suitable for industrial equipment frames, drawworks systems, and construction machinery—complying with SAE structural standards.

• Engine & Clutch Components: Z01070000001AA Oil draining unit, sump of engine and Z16160200001 AA Guard, clutch operate in engine and clutch systems—withstanding temperature fluctuations (-25°C to +120°C), vibration, and exposure to oil and dust. They’re suitable for industrial engines, drawworks clutches, and heavy-duty machinery—complying with SAE engine and clutch standards.

• Fasteners & Connecting Components: 4300316070 Bolt M16X70, 4313600052 Lock washer 52, P2000058AA Pin, and P1000126AA Washer, spherical pin operate in all industrial equipment systems—withstanding temperature fluctuations (-25°C to +85°C), high pressure, vibration, and exposure to oil, dust, and chemicals. They’re suitable for heavy-duty machinery, structural components, and transmission assemblies—complying with ISO 6402 and GB standards.

• Auxiliary Components: Z04020800004AA Stairs and Z05010800001AA Dolly operate in industrial workplaces—withstanding temperature fluctuations (-20°C to +80°C), vibration, dust, and moisture. They’re suitable for manufacturing plants, construction sites, and industrial equipment—complying with global safety standards.

• General Operating Environments: All our parts are designed to withstand industrial dust, oil, high pressure (up to 40MPa), extreme temperature fluctuations (-30°C to +120°C), heavy vibration, and chemical exposure. They’re ideal for construction sites, mining operations, manufacturing plants, and industrial machinery fleets—ensuring reliable performance in critical operational scenarios, all backed by our consistent production and supply.

Maintenance & Care Recommendations

Proper maintenance of our industrial spare parts is essential to extend their service life, reduce replacement costs, and prevent unplanned equipment downtime—especially in harsh industrial environments where downtime is costly and safety is critical. Below are practical, easy-to-follow maintenance tips designed for maintenance technicians, focused on keeping parts in optimal condition, complying with industry standards, and supporting our commitment to long-term product value (all tips are tailored to the specific needs of our parts):

• Regular Inspection (20-30 Working Hours): Conduct visual and functional checks of all critical parts—inspect 4900300057 Water draining valve for clogs or leaks; check P3500003AA Sprocket wheel II P=44.45,Z=49 for tooth wear or damage; verify Z08330300012AA Hose assembly for cracks or leaks; inspect Z01070000001AA Oil draining unit, sump of engine for oil accumulation; check 5300300084 Dust ring J110 for wear; verify 4300316070 Bolt M16X70 for loosening; inspect Z16160200001 AA Guard, clutch for loose mounting.

• Valve & Sealing Components Care: Clean 4900300057 Water draining valve and 5402650041 Water draining valve monthly—remove clogs from the valve core, check the sealing ring for wear, and replace if damaged. Lubricate valve stems quarterly with high-temperature lubricant to ensure smooth operation. Inspect 5300300084 Dust ring J110 monthly—check for cracks or hardening, replace immediately if worn (prevents dust entry). Clean 4900450002 Working valve piece and 4900450009 Oil filling valve piece quarterly—remove debris, check for wear, and replace if damaged.

• Transmission & Bearing Components Care: Lubricate P3500003AA Sprocket wheel II P=44.45,Z=49 monthly—apply chain lubricant to the teeth, check for tooth wear (replace if teeth are worn or broken), and ensure alignment with the chain. Inspect P1103053AA Right bearing spacer monthly—check for wear or misalignment, replace if damaged. Lubricate P2400299AA Crown shaft and P5400105AA Key B40X169 monthly—apply gear oil to prevent corrosion and ensure smooth power transfer. Inspect P0200219AA End cover, beairng, sprocket seat monthly—check for cracks or contamination, clean the inner surface, and replace if damaged.

• Hydraulic & Pneumatic Components Care: Inspect 1101009038 Hose assembly 16I -900, Z08330300012AA Hose assembly, and 1101020062 Hose assembly 32II -800 monthly—check for cracks, bulges, or leaks (use soapy water to detect small leaks), avoid bending beyond the minimum bend radius, and replace if damaged. Clean QBJ10011208 Z1.1/2”-Z1”bushing, QBJ11011075 NPT1 1/4″X75 sub, and QBJ50501214 M12X1.5-M14X1.5 gauge fitting monthly—wipe the threads, check for corrosion, and apply thread sealant if needed. Inspect Z08200000001AA Air cylinder monthly—check for air leaks, lubricate the piston rod with pneumatic lubricant, and replace seals if damaged. Clean Z07120400002AA Cylinder body monthly—remove debris, check for corrosion, and apply anti-corrosion paint if needed.

• Structural & Framing Components Care: Clean P9850034AA Cross beam, P9840525AA Side brace, P991121783AA Edge beam, and P9870095AA Column monthly—remove dust and debris, check for bending, deformation, or corrosion, repair or replace if damaged. Tighten mounting bolts for structural parts monthly—ensure secure attachment, and replace if welding joints are cracked. Apply anti-corrosion paint to structural parts quarterly to prevent rust and extend service life. Inspect P6218855AA Pad eye, hanging shaft monthly—check for wear or loose mounting, tighten bolts if needed, and replace if damaged.

• Engine & Clutch Components Care: Inspect Z01070000001AA Oil draining unit, sump of engine monthly—drain excess oil, clean the drain port, and check for leaks. Replace the oil filter (if integrated) according to OEM intervals. Inspect Z16160200001 AA Guard, clutch monthly—check for loose mounting or damage, tighten bolts if needed, and replace if bent or broken (critical for operator safety). Clean Z16060000013AA Clutch nameplates monthly—remove dust and debris to ensure clear visibility of labeling.

• Fasteners & Connecting Components Care: Tighten 4300316070 Bolt M16X70, 4301316050 Bolt M 16×50, and other fasteners monthly—prevent loosening under vibration, replace if bent, corroded, or stripped. Inspect 4313600052 Lock washer 52 monthly—replace if deformed or worn. Clean P2000058AA Pin and Z04180100001AA Pin plate monthly—remove debris, check for corrosion, and replace if damaged. Inspect P1000126AA Washer, spherical pin monthly—replace if worn or damaged.

• Auxiliary Components Care: Inspect Z04020800004AA Stairs monthly—check for loose steps or handrails, tighten bolts if needed, and replace if damaged (critical for operator safety). Clean Z05010800001AA Dolly monthly—remove debris, check the wheels for wear, and lubricate wheel bearings to ensure smooth movement. Inspect Z04210400004AA Escaping line, racking board monthly—check for wear or fraying, replace if damaged.

• Timely Replacement of Worn Parts: Replace any part that shows significant wear, damage, or failure—especially critical components like 4900300057 Water draining valve, P3500003AA Sprocket wheel II P=44.45,Z=49, Z08330300012AA Hose assembly, and Z01070000001AA Oil draining unit, sump of engine. Follow OEM replacement intervals for critical parts, and ensure all replacements are our high-quality, standard-compliant parts to maintain equipment performance.

• Proper Storage of Spare Parts: Store all spare parts in a dry, well-ventilated area (10°C-30°C) away from direct sunlight, industrial chemicals, oil, and dust. Keep hydraulic hose assemblies (Z08330300012AA, 1101009038) and sealing components (5300300084) in a cool, dry place to prevent rubber degradation. Store structural parts (P9850034AA, P9840525AA) and fasteners (4300316070, 4313600052) in a covered area to prevent corrosion. Label all parts clearly with their model numbers (e.g., 4900300057, P3500003AA, Z08330300012AA) for easy identification, supporting efficient maintenance and our supply chain efficiency.

We supply the following spare parts:

On-Site Fault Maintenance Cases

Below are 3 real, short on-site fault stories—reflecting common problems maintenance technicians, machinery operators, and fleet managers face in industrial settings. These cases demonstrate how our direct-fit, high-quality spare parts quickly resolve critical issues, minimize downtime, and restore equipment to full performance, all while aligning with our production and supply commitment to reliability:

Case 1: Water Buildup & Corrosion from Clogged 4900300057 Water Draining Valve

A mining site’s industrial machinery experienced water buildup in its hydraulic system, leading to component corrosion and reduced performance—inspection found the 4900300057 Water draining valve was clogged with debris, preventing water from being removed. Solution: We replaced the clogged valve with our 4900300057 part, flushed the hydraulic system to remove accumulated water and debris, and inspected surrounding components for corrosion. The water buildup issue was fully resolved in 1 hour, preventing further corrosion and restoring the machinery to optimal performance.

Case 2: Transmission Failure from Worn P3500003AA Sprocket Wheel

A manufacturing plant’s drawworks system lost power, with excessive noise and vibration during operation—inspection found the P3500003AA Sprocket wheel II P=44.45,Z=49 had broken teeth and significant wear, disrupting power transfer to the drawworks components. Solution: We replaced the damaged sprocket wheel with our P3500003AA part, aligned it with the chain, and applied chain lubricant. The drawworks system resumed normal operation in 1.5 hours, eliminating noise and vibration, and preventing further damage to other transmission components.

Case 3: Hydraulic Leak from Damaged Z08330300012AA Hose Assembly

A construction site’s hydraulic cylinder system experienced a severe leak, leading to reduced pressure and inability to operate heavy loads—inspection found the Z08330300012AA Hose assembly had a crack in the outer layer, causing hydraulic fluid to leak. Solution: We replaced the damaged hose assembly with our Z08330300012AA part, checked the hydraulic system for pressure, and tightened all connections. The leak was completely eliminated in 45 minutes, restoring system pressure and allowing the machinery to resume heavy-load operations without further interruptions.

FAQ (Frequently Asked Questions)

Procurement Guidance

In industrial operations, unplanned downtime, equipment damage, safety accidents, and regulatory penalties from faulty or non-compliant spare parts cost businesses hundreds of thousands in lost productivity, repairs, and legal fees—especially when parts fail to meet ISO 9001, ISO 281, ISO 3320, API 6D, DIN, SAE, or GB standards. Many teams struggle with low-quality components that fail prematurely: clogged 4900300057 water draining valves causing corrosion; worn P3500003AA sprocket wheels disrupting power transmission; leaky Z08330300012AA hose assemblies wasting hydraulic fluid; loose 4300316070 bolts leading to component misalignment; and faulty Z01070000001AA engine sump oil draining units causing engine damage—all of which waste labor, time, and resources on repeated repairs and compliance violations. Our focus on the production and supply of high-precision, OEM-compatible industrial spare parts—including 4900300057 Water draining valve, P3500003AA Sprocket wheel II P=44.45,Z=49, Z08330300012AA Hose assembly, Z01070000001AA Oil draining unit, sump of engine, and Z08200000001AA Air cylinder—is designed to eliminate these risks. Every part is manufactured using premium materials, undergoes strict quality control, and is engineered to withstand the harshest industrial environments, ensuring OEM-level performance, perfect compatibility, and full compliance with global standards. We offer a one-stop supply solution for all your industrial spare part needs, covering valves, transmission components, hydraulic/pneumatic parts, structural framing, engine/clutch components, and fasteners—all designed to minimize downtime, lower long-term maintenance costs, ensure workplace safety, and keep your machinery running at peak efficiency. Our parts are easy to install, require no on-site modifications, and are backed by compliance documentation to help you meet regulatory requirements. Whether you need to replace a clogged water draining valve (4900300057), a worn sprocket wheel (P3500003AA), or a damaged hose assembly (Z08330300012AA), we have the right part for you—all produced and supplied with a focus on reliability, durability, and value. Choose our spare parts for direct-fit, standard-compliant replacements that keep your industrial operations safe, continuous, and efficient. Our commitment to production excellence and reliable supply ensures you get the parts you need, when you need them, without compromising on quality or compliance—helping you reduce costs, minimize downtime, and maximize productivity.

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Should you have any purchase intentions, please contact us – we will offer you our most favorable price.