(P991160916AA, Z02040000008, QBJ120108) - Cross Pipe, Rear Suspension

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, suspension assemblies, hydraulic/pneumatic systems, and transmission equipment—with key models including P991160916AA Cross pipe, Z02040000008AA Rear suspension assembly, QBJ120108 Plug NPT, 4500100224 Bearing 3518, and 5402650803 Drier (24V). 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), and GB/T 3452.1 (O-Rings), 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 P991160916AA cross pipes, wear-resistant 4500100224 bearings, and leak-proof 5300200121 oil seals—to reduce maintenance time, labor costs, and unplanned downtime. Machinery Operators require parts that ensure smooth, uninterrupted equipment operation—including stable Z02040000008AA rear suspension assemblies, reliable Z08330300017AA hose assemblies, and efficient 5402650803 driers—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 P6104412AA reinforced plates, robust Z03050000136AA drawworks frames, and standard-compliant QBJ10082704 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: loose 4300324065 M24X65 bolts causing component misalignment; worn 4500100224 bearings leading to transmission jamming; leaky 5300200121 oil seals and 5300100128 O-rings wasting hydraulic fluid; damaged Z02040000008AA rear suspension assemblies causing unstable machinery operation; and faulty 5402650803 driers leading to moisture buildup in pneumatic systems. 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, rear suspension assemblies, hydraulic/pneumatic transmission, structural framing, and electrical systems 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, 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: Structural & Framing Components: P991160916AA Cross pipe (cross pipe for industrial machinery, provides horizontal structural support and pipe connection); P991113281AA Angle steel L=2900 (2900mm angle steel, structural framing and reinforcement); P6104412AA Reinforced plate 1588X368 (1588×368mm reinforced plate, strengthens structural weak points); P9970929AA Bottom slenting pipe L=886 (886mm bottom slanting pipe, structural support for equipment bases); P9840559AA Side brace (side brace, enhances lateral structural stability); Z03050000136AA Drawworks frame and guard (drawworks frame and guard, supports drawworks components and protects operators); P9920170AA Channel steel (channel steel for structural framing, high load-bearing capacity); P6101437AA Plug plate 250X98 (250×98mm plug plate, seals equipment openings to prevent contamination); P991174984AA Pipe L=221 (221mm pipe for fluid or air transmission). Suspension & Buffer Components: Z02040000008AA Rear suspension assembly (rear suspension assembly for industrial machinery, absorbs vibration and ensures stable operation); Z02040300001AA Buffer block (buffer block, reduces impact and vibration between components); Z04160100001AA Suspension line (suspension line, supports and stabilizes suspension assemblies); Z04240000073AA Front support assemby(with load guyline regulator) (front support assembly with load guyline regulator, provides front-end support and adjusts load tension). Hydraulic & Pneumatic Components: Z08330300017AA Hose assembly 10 (10mm hydraulic hose assembly, for medium-pressure fluid transmission); Z08330100350AA Hose assembly 6 L=500 (6mm hydraulic hose assembly, 500mm length, flexible fluid transfer); Z08330100349AA Hose assembly 6 L=900 (6mm hydraulic hose assembly, 900mm length, for tight installation spaces); Z08330100019AA Hose assembly 6 (6mm hydraulic hose assembly, general-purpose fluid transfer); 1101002015 Hose assembly 8I-750 (8mm I-type hydraulic hose assembly, 750mm length, high-pressure fluid transmission); QBJ120108 Plug NPT (NPT plug, seals hydraulic/pneumatic pipe ends to prevent leaks); P1301293AA Fitting, airbag (airbag fitting, connects airbags to pneumatic systems); QBJ10082704 M27X2-Z1/2″ bushing (M27X2-Z1/2″ bushing, adapts different thread sizes for fluid/air lines); 5402650803 Drier (24V) (24V drier, removes moisture from pneumatic systems to prevent component corrosion); Z03011400018AA Air inlet pipe (air inlet pipe, delivers clean air to pneumatic systems); Z08240000001AA Valve saver (valve saver, protects valves from wear and extends service life). Bearing & Transmission Components: 4500100224 Bearing 3518 (3518 rolling bearing, ensures smooth rotation in high-load transmission systems); P4600022AA Right bearing box (right bearing box, secures and protects bearings); P2400028AA Output shaft (output shaft, transfers power from transmission to equipment components); P1100288AA Location sleeve (location sleeve, positions bearings and shafts for alignment); P1100856AA Bushing (bushing, reduces friction between moving components); P1100060AA Valve sleeve (valve sleeve, protects valves and ensures smooth operation); 4400200457 Screw stem M52X340 (M52X340 screw stem, adjusts component position with precision). Sealing Components: 5300200121 Oil seal PG140x170x16 (PG140x170x16 oil seal, prevents oil leaks from bearings and shafts); 5300100128 O ring 43.7X3.55 (43.7×3.55mm O-ring, provides leak-proof sealing for pipe connections and valves); P7100244AA Pipe seat plate (pipe seat plate, secures pipes and enhances sealing). Fasteners & Connecting Components: 4300324065 Bolt M24X65 (M24X65 bolt, high-torque fastening for heavy-load components); 4315204008 Rivet 2 4×8 (4×8mm rivet, connects thin components securely); 4313200012 Flat washer 12 (12mm flat washer, distributes pressure and protects component surfaces); Z05011000028AA Connection rod of base II (base connection rod II, connects base components for stability); P0000109AA End cover (end cover, protects internal components from dust and moisture); P2100283AA Steel pipe 25 L=4400 (25mm steel pipe, 4400mm length, for fluid or air transmission); P2100537AA Seat, guard column (guard column seat, secures guard columns for operator safety); P0200015AA Spring seat (spring seat, positions and secures springs in suspension systems). Safety & Auxiliary Components: Z03050400152AA Right rear top guard (right rear top guard, protects equipment components and operators); Z05010600913AA Guardrails 5 (type 5 guardrails, creates a safe barrier around moving parts); Z05010400287AA Stairs II (type II stairs, provides safe access to equipment platforms); Z16120100016AA Traveling block assembly (traveling block assembly, supports and moves loads in lifting systems); Z02030600003AA Straight tie rod (straight tie rod, connects and stabilizes suspension components); P7101847AA Support, roller (roller support, reduces friction for moving components); P7100241AA Support (general-purpose support, secures various equipment components); Z09000000150AA-AED Front wire connection plate terminal layout diagram (front wire connection plate terminal layout, guides proper electrical wiring for safety). All our parts are manufactured using high-quality materials: high-strength carbon steel and stainless steel for structural components, fasteners, bearings, and shafts; corrosion-resistant brass/copper for fittings and bushings; durable nitrile rubber/PTFE for oil seals, O-rings, and hose assemblies; reinforced rubber and steel wire for hydraulic hoses; and high-grade plastic for auxiliary components. 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 seals), load testing (for structural parts and fasteners), bearing performance testing (for 4500100224), 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—structural instability, suspension failure, hydraulic/pneumatic leaks, transmission jamming, electrical moisture buildup, and operator safety risks—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:

• Robust Structural Support: P991160916AA Cross pipe provides stable horizontal structural support—high-strength steel construction, precision-machined ends, and corrosion resistance ensure it withstands heavy loads and prevents structural deformation. P991113281AA Angle steel L=2900 and P9920170AA Channel steel enhance structural rigidity—angle steel is ideal for framing and reinforcement, while channel steel offers superior load-bearing capacity for equipment frames. P6104412AA Reinforced plate 1588X368 strengthens weak structural points—thickened design and large surface area distribute load evenly, reducing the risk of component failure.

• Stable Suspension & Vibration Damping: Z02040000008AA Rear suspension assembly absorbs vibration and ensures smooth machinery operation—robust spring and buffer design, corrosion-resistant components, and precise alignment reduce impact from uneven terrain, protecting equipment and improving operator comfort. Z02040300001AA Buffer block minimizes component damage from impact—durable rubber material, shock-absorbing design, and easy installation reduce vibration between moving parts. Z04160100001AA Suspension line provides reliable support—high-tensile strength, wear resistance, and adjustable tension ensure stable suspension performance.

• Reliable Hydraulic & Pneumatic Transmission: Z08330300017AA Hose assembly 10, Z08330100350AA Hose assembly 6 L=500, and 1101002015 Hose assembly 8I-750 deliver stable fluid transmission—reinforced steel wire braid, oil-resistant outer layer, and leak-proof crimped fittings withstand high/medium pressure (up to 40MPa) and prevent bursts. QBJ120108 Plug NPT ensures secure pipe sealing—precision NPT threads, corrosion-resistant material, and leak-proof design seal pipe ends to prevent fluid/air loss. 5402650803 Drier (24V) removes moisture from pneumatic systems—24V operation, efficient drying performance, and automatic drainage prevent component corrosion and ensure pneumatic system reliability.

• Smooth Transmission & Rotation: 4500100224 Bearing 3518 ensures smooth rotation in high-load systems—deep-groove design, high load-bearing capacity, sealed construction to prevent dust entry, and low friction extend service life. P4600022AA Right bearing box protects and secures bearings—robust steel construction, precision machining, and sealing design prevent contamination and ensure bearing alignment. P2400028AA Output shaft transfers power efficiently—high-strength steel, heat-treated surface, and precision machining ensure stable power transmission with minimal energy loss.

• Leak-Proof Sealing: 5300200121 Oil seal PG140x170x16 prevents oil leaks from bearings and shafts—high-temperature resistance, wear-resistant material, and precise dimensions form a tight seal, protecting internal components from oil loss and contamination. 5300100128 O ring 43.7X3.55 provides reliable sealing for connections—flexible rubber material, precise size, and oil resistance ensure leak-proof performance in hydraulic/pneumatic systems. P7100244AA Pipe seat plate enhances pipe sealing—stable mounting, corrosion resistance, and precise alignment prevent pipe movement and leaks.

• Secure Fastening & Connection: 4300324065 Bolt M24X65 delivers high-torque fastening—thickened design, precision threads, and corrosion resistance ensure a secure fit for heavy-load components, preventing loosening under vibration. 4315204008 Rivet 2 4×8 connects thin components securely—easy installation, corrosion resistance, and strong shear strength ensure reliable connection. Z05011000028AA Connection rod of base II connects base components—high-strength steel, precision machining, and easy mounting ensure base stability.

• Operator Safety & Equipment Protection: Z03050400152AA Right rear top guard and Z05010600913AA Guardrails 5 protect operators and equipment—robust steel construction, secure mounting, and compliant design create a safe barrier around moving parts. Z05010400287AA Stairs II provides safe access—non-slip surface, stable structure, and corrosion resistance ensure operator safety when accessing equipment platforms. Z09000000150AA-AED Front wire connection plate terminal layout diagram guides safe wiring—clear terminal labeling and compliant design prevent electrical errors and safety hazards.

• Easy Maintenance & Compatibility: All our parts are direct OEM replacements—no modifications needed, ensuring easy installation and reducing maintenance time. P0000109AA End cover and P1100288AA Location sleeve provide easy access to internal components—quick removal and installation simplify maintenance, while precise positioning ensures component alignment.

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:

• Structural & Framing Components: P991160916AA Cross pipe is a seamless steel pipe—circular cross-section, thickened wall (for high load-bearing capacity), precision-machined ends (for easy connection), and corrosion-resistant zinc plating. P991113281AA Angle steel L=2900 is an L-shaped steel component—2900mm length, hot-dipped galvanized coating (corrosion-resistant), precision-cut ends, and uniform thickness. P6104412AA Reinforced plate 1588X368 is a steel plate—1588×368mm size, thickened design (durable), smooth surface, corrosion-resistant coating, and pre-drilled holes (for mounting). P9970929AA Bottom slenting pipe L=886 is a seamless steel pipe—886mm length, slanted design (for base support), thickened wall, and corrosion-resistant coating.

• Suspension & Buffer Components: Z02040000008AA Rear suspension assembly consists of springs, buffer blocks, and mounting brackets—high-strength steel springs (load-bearing), rubber buffer blocks (shock absorption), steel mounting brackets (corrosion-resistant), and precision-machined connection points. Z02040300001AA Buffer block is a rubber component—cylindrical or rectangular design, durable nitrile rubber material, and metal insert (for mounting). Z04240000073AA Front support assemby(with load guyline regulator) is a steel assembly—reinforced steel bracket, load guyline regulator (adjustable tension), and corrosion-resistant coating.

• Hydraulic & Pneumatic Components: Z08330300017AA Hose assembly 10 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). QBJ120108 Plug NPT is a brass or steel plug—precision NPT threads, hexagonal head (easy installation), and corrosion-resistant coating. 5402650803 Drier (24V) is a cylindrical component—metal housing, desiccant core (moisture absorption), 24V electrical connection, and automatic drainage valve. Z03011400018AA Air inlet pipe is a seamless steel pipe—smooth inner surface (reduces air resistance), corrosion-resistant coating, and precision-machined ends.

• Bearing & Transmission Components: 4500100224 Bearing 3518 is a rolling bearing—inner and outer steel rings, ball bearings, steel cage, sealed design (double shields), and high precision (tolerance class P6). P4600022AA Right bearing box is a steel box—precision-machined inner cavity (for bearing fit), sealing cover (prevents contamination), and mounting holes (for secure attachment). P2400028AA Output shaft is a steel shaft—precision-machined surface, heat-treated (wear-resistant), and splined or threaded end (for power transfer). P1100856AA Bushing is a cylindrical component—bronze or plastic material, smooth inner surface (low friction), and precision-machined outer diameter.

• Sealing Components: 5300200121 Oil seal PG140x170x16 is a rubber oil seal—outer metal case (for positioning), rubber sealing lip (leak-proof), and spring-loaded design (enhances sealing). 5300100128 O ring 43.7X3.55 is a circular rubber ring—43.7mm inner diameter, 3.55mm cross-section, precision-molded, and oil-resistant material. P7100244AA Pipe seat plate is a steel plate—precision-machined surface, groove (for pipe fit), and mounting holes (for secure attachment).

• Fasteners & Connecting Components: 4300324065 Bolt M24X65 is a steel bolt—M24X65 threads, hexagonal head, heat-treated (high tensile strength), and corrosion-resistant zinc plating. 4315204008 Rivet 2 4×8 is a steel rivet—4mm diameter, 8mm length, cylindrical shaft, and flat head. Z05011000028AA Connection rod of base II is a steel rod—precision-machined ends, threaded or drilled connection points, and corrosion-resistant coating. P0000109AA End cover is a steel cover—circular or rectangular design, precision-machined edge (for tight fit), and mounting holes (for secure attachment).

• Safety & Auxiliary Components: Z03050400152AA Right rear top guard is a steel guard—sheet steel construction, welded joints (reinforced), mounting brackets (secure attachment), and corrosion-resistant coating. Z05010600913AA Guardrails 5 are steel guardrails—tubular frame, welded joints, and mounting brackets (compliant with safety standards). Z05010400287AA Stairs II is a steel stair assembly—steel steps (non-slip surface), steel handrails, and mounting brackets (stable structure).

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, 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:

• Structural & Framing Components: P991160916AA Cross pipe, P991113281AA Angle steel L=2900, and P6104412AA Reinforced plate 1588X368 operate in equipment 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.

• Suspension & Buffer Components: Z02040000008AA Rear suspension assembly, Z02040300001AA Buffer block, and Z04160100001AA Suspension line operate in suspension systems—withstanding temperature fluctuations (-25°C to +85°C), heavy vibration, impact, and exposure to dust and oil. They’re suitable for construction machinery, heavy-duty trucks, and industrial equipment—complying with SAE suspension standards.

• Hydraulic & Pneumatic Components: Z08330300017AA Hose assembly 10, QBJ120108 Plug NPT, 1101002015 Hose assembly 8I-750, and 5402650803 Drier (24V) 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 airbag systems—complying with DIN 24342 and SAE J1926 standards.

• Bearing & Transmission Components: 4500100224 Bearing 3518, P4600022AA Right bearing box, and P2400028AA Output 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 industrial transmission assemblies, drawworks, and heavy-duty machinery—complying with ISO 281 and DIN transmission standards.

• Sealing Components: 5300200121 Oil seal PG140x170x16, 5300100128 O ring 43.7X3.55, and P7100244AA Pipe seat plate operate in hydraulic/pneumatic systems—withstanding temperature fluctuations (-20°C to +120°C), high pressure (up to 40MPa), and exposure to hydraulic fluids, oil, and chemicals. They’re suitable for bearings, shafts, and pipe connections—complying with ISO 3320 standards.

• Fasteners & Connecting Components: 4300324065 Bolt M24X65, 4315204008 Rivet 2 4×8, and Z05011000028AA Connection rod of base II 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 base assemblies—complying with ISO 6402 and GB standards.

• Safety & Auxiliary Components: Z03050400152AA Right rear top guard, Z05010600913AA Guardrails 5, and Z05010400287AA Stairs II 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 P991160916AA Cross pipe for bending or corrosion; check Z02040000008AA Rear suspension assembly for loose components or worn buffers; verify 4500100224 Bearing 3518 for smooth rotation and noise; inspect Z08330300017AA Hose assembly 10 for cracks or leaks; check 5300200121 Oil seal PG140x170x16 for wear or leaks; verify 5402650803 Drier (24V) for proper operation; inspect Z05010600913AA Guardrails 5 for loose mounting.

• Structural & Framing Components Care: Clean P991160916AA Cross pipe, P991113281AA Angle steel L=2900, and P6104412AA Reinforced plate 1588X368 monthly—remove dust and debris, check for bending or corrosion, and apply anti-corrosion paint annually to prevent rust. Tighten mounting bolts for structural parts monthly—ensure secure attachment, and replace if welding joints are cracked.

• Suspension & Buffer Components Care: Inspect Z02040000008AA Rear suspension assembly monthly—check for worn springs or buffer blocks, replace if damaged, and lubricate connection points with high-temperature lubricant. Clean Z02040300001AA Buffer block monthly—remove dust and debris, check for cracks or hardening, and replace if worn. Adjust Z04160100001AA Suspension line tension quarterly—ensure stable suspension performance.

• Hydraulic & Pneumatic Components Care: Inspect Z08330300017AA Hose assembly 10, Z08330100350AA Hose assembly 6 L=500, and 1101002015 Hose assembly 8I-750 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 QBJ120108 Plug NPT monthly—wipe the threads, check for corrosion, and apply thread sealant if needed. Inspect 5402650803 Drier (24V) monthly—drain accumulated moisture, check the desiccant core, and replace if saturated. Clean Z03011400018AA Air inlet pipe monthly—remove dust and debris to ensure unobstructed air flow.

• Bearing & Transmission Components Care: Lubricate 4500100224 Bearing 3518 monthly—apply high-temperature lubricating grease, check for smooth rotation and noise, and replace if seized or worn. Inspect P4600022AA Right bearing box monthly—check for leaks or contamination, clean the inner cavity, and replace the sealing cover if damaged. Clean P2400028AA Output shaft monthly—remove debris, check for wear, and lubricate with gear oil to prevent corrosion.

• Sealing Components Care: Inspect 5300200121 Oil seal PG140x170x16, 5300100128 O ring 43.7X3.55, and P7100244AA Pipe seat plate monthly—check for wear, cracks, or hardening, replace immediately if damaged (prevents leaks). Clean sealing grooves before installing new seals, and apply a thin layer of lubricant to enhance sealing performance. Store spare seals in a cool, dry place to prevent rubber hardening.

• Fasteners & Connecting Components Care: Tighten 4300324065 Bolt M24X65, 4315204008 Rivet 2 4×8, and other fasteners monthly—prevent loosening under vibration, replace if bent, corroded, or stripped. Inspect Z05011000028AA Connection rod of base II monthly—check for wear or loose connections, tighten bolts if needed, and replace if bent. Clean P0000109AA End cover monthly—remove dust and debris, and replace if damaged.

• Safety & Auxiliary Components Care: Inspect Z03050400152AA Right rear top guard, Z05010600913AA Guardrails 5, and Z05010400287AA Stairs II monthly—check for loose mounting or damage, tighten bolts if needed, and replace if bent or broken (critical for operator safety). Clean Z09000000150AA-AED Front wire connection plate terminal layout diagram monthly—remove dust and debris to ensure clear visibility of terminals.

• Timely Replacement of Worn Parts: Replace any part that shows significant wear, damage, or failure—especially critical components like P991160916AA Cross pipe, Z02040000008AA Rear suspension assembly, 4500100224 Bearing 3518, and 5402650803 Drier (24V). 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 (Z08330300017AA, 1101002015) and sealing components (5300200121, 5300100128) in a cool, dry place to prevent rubber degradation. Store structural parts (P991160916AA, P991113281AA) and fasteners (4300324065, 4315204008) in a covered area to prevent corrosion. Label all parts clearly with their model numbers (e.g., P991160916AA, Z02040000008, QBJ120108) 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: Structural Instability from Bent P991160916AA Cross Pipe

A mining site’s industrial machinery experienced severe structural instability, with excessive vibration during operation—inspection found the P991160916AA Cross pipe had bent due to heavy loads and impact, compromising the equipment’s structural integrity and risking component failure. Solution: We replaced the bent cross pipe with our P991160916AA part, tightened all mounting bolts, and inspected the surrounding structural components. The machinery’s structural stability was fully restored in 1.5 hours, eliminating vibration and ensuring safe, uninterrupted operation.

Case 2: Hydraulic Leak from Worn 5300200121 Oil Seal

A manufacturing plant’s transmission system experienced persistent oil leaks, leading to reduced lubrication and increased component wear—inspection found the 5300200121 Oil seal PG140x170x16 was worn and cracked, failing to seal the bearing properly. Solution: We replaced the damaged oil seal with our 5300200121 part, cleaned the bearing housing, and applied fresh lubricating grease. The leak was completely eliminated in 45 minutes, restoring proper lubrication and preventing further component damage, saving the plant time and money on maintenance and oil replacement.

Case 3: Pneumatic System Failure from Faulty 5402650803 Drier

A construction site’s pneumatic airbag system failed to function properly, with moisture buildup causing corrosion in the air lines—inspection found the 5402650803 Drier (24V) was faulty, unable to remove moisture from the pneumatic system. Solution: We replaced the faulty drier with our 5402650803 part, flushed the air lines to remove moisture and corrosion, and tested the system for proper operation. The pneumatic airbag system resumed normal operation in 2 hours, eliminating moisture buildup and corrosion risks, and ensuring reliable equipment performance.

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, DIN, SAE, or GB standards. Many teams struggle with low-quality components that fail prematurely: bent P991160916AA cross pipes compromising structural integrity; worn Z02040000008AA rear suspension assemblies causing unstable machinery operation; leaky 5300200121 oil seals wasting lubricants; faulty 5402650803 driers leading to pneumatic system corrosion; and damaged 4500100224 bearings causing transmission jamming—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 P991160916AA Cross pipe, Z02040000008AA Rear suspension assembly, QBJ120108 Plug NPT, 4500100224 Bearing 3518, and 5402650803 Drier (24V)—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 structural framing, suspension systems, hydraulic/pneumatic components, bearings, fasteners, and safety guards—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 bent cross pipe (P991160916AA), a worn rear suspension assembly (Z02040000008), or a faulty drier (5402650803), 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.

contact us ：

Emeil: [email protected]   whatsapp: +86 15275658619

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