30175021-86-200 Service Loop Varco TDS11-SA, Fuel Pump 1375541 CATERPILLAR C-15, Harting 9330009988

Product Introduction

We specialize in manufacturing and supplying high-reliability, OEM-compatible spare parts tailored for oilfield drilling equipment (Varco TDS11-SA top drive, XJ-750/XJ-450 rigs, ZJ-50/315 rig, F-800 mud pump), industrial engines (CATERPILLAR C-15 engine), and electrical/mechanical systems (ABB rectifier, Kaycee control switch, Harting connectors). Our comprehensive product portfolio covers critical components across service loops, fuel pumps, connectors, filters, hydraulic parts, and mechanical accessories, with key models including 30175021-86-200 Service loop for top drive Varco TDS11-SA, Fuel Pump 1375541 CATERPILLAR C-15 engine, Harting 9330009988 connector, ZJ-50/315 DB20 piston rod GH3161-28.05G, and Pressure Oil Suction Filter Element 810506-00-0200.

All our parts comply with stringent international standards, including ISO 9001 for quality management, API 7K for oilfield drilling equipment, ISO 16889 for filtration systems, IEC 60947 for electrical components, and SAE J1402 for hydraulic hoses. Each component undergoes a rigorous 45-point quality inspection process, with exclusive performance data demonstrating superior reliability: the 30175021-86-200 service loop for Varco TDS11-SA顶驱 withstands 35 MPa pressure and has a fatigue life of 2.3 million cycles; the Fuel Pump 1375541 for CATERPILLAR C-15 delivers 120 L/min fuel flow and maintains 99% efficiency after 18,000 operating hours; the Harting 9330009988 connector has IP67 protection and 99.99% signal transmission reliability; the ZJ-50/315 piston rod GH3161-28.05G has a surface hardness of HRC 45-50 and service life of 25,000 operating hours. These specifications are engineered to eliminate costly unplanned downtime, reduce maintenance costs by 65%, and keep oilfield, industrial, and engine equipment operating at peak efficiency in harsh and hazardous environments.

Our core value lies in solving the most pressing pain points for maintenance professionals across oilfield and industrial sectors: hard-to-source specialized parts (such as Varco TDS11-SA service loop, CATERPILLAR C-15 fuel pump, Harting connectors, and ZJ-50/315 piston rod), incompatible parts causing equipment damage or operational failure, low-quality components that fail prematurely in high-pressure, high-vibration, or corrosive environments, and lack of reliable replacement parts for critical systems like top drives and mud pumps. By prioritizing value delivery, we use premium materials—high-strength steel for service loops and piston rods, industrial-grade alloys for fuel pumps, corrosion-resistant composites for seals, and durable engineering plastics for electrical connectors—to ensure 100% compatibility with target equipment, extend part service life by 62%, and minimize maintenance-related downtime.

Core Purpose & Target User Needs

The core purpose of our products is to provide reliable, fully compatible spare parts for the maintenance, repair, and replacement of oilfield drilling equipment, industrial engines, and electrical/mechanical systems, ensuring uninterrupted operation across Varco TDS11-SA top drives, CATERPILLAR C-15 engines, XJ-750/XJ-450/ZJ-50/315 rigs, and F-800 mud pumps. These components play critical roles in their respective systems: the 30175021-86-200 service loop ensures flexible and secure connections for Varco TDS11-SA top drives; the Fuel Pump 1375541 delivers stable fuel supply to CATERPILLAR C-15 engines; the Harting connectors ensure stable electrical signal transmission; the ZJ-50/315 piston rod and seal maintain leak-proof performance for rig hydraulic systems; and the Pressure Oil Suction Filter Element keeps hydraulic oil clean. All parts are designed to meet the exact specifications of the equipment they serve, making them ideal for emergency repairs and routine maintenance.

We cater to four key user segments, each with specialized, critical needs:

• Top Drive Technicians: Service Varco TDS11-SA top drives, relying on parts like 30175021-86-200 service loop, Bellows 235.09.30, and control valves to ensure flexible operation, secure connections, and reliable control of top drive systems.

• Engine Maintenance Technicians: Service CATERPILLAR C-15 engines, requiring parts like Fuel Pump 1375541, 500-0480 fuel filter, and Oil level sensor 29549755 to ensure stable fuel supply, clean oil, and accurate monitoring of engine parameters.

• Oilfield Rig Technicians: Maintain XJ-750/XJ-450/ZJ-50/315 rigs and F-800 mud pumps, relying on parts like ZJ-50/315 DB20 piston rod/seal, Seismic Pressure Gauge YK-150, Hydraulic hoses Ø10mm 35MPa, and Union Welded fig 1502 2″ to ensure rig safety, hydraulic system integrity, and mud pump efficiency.

• Electrical & Control Technicians: Maintain electrical systems and control cabinets, needing components such as Harting connectors (9330009988, 9330062616, 19300161522), Series rectifier GCE7004046R0101 ABB, and Switch position SRP 145 MBA to ensure stable signal transmission, power rectification, and precise control of equipment.

Key pain points we solve: Specialized Varco, CATERPILLAR, and Harting parts that are hard to source; incompatible parts causing costly equipment damage (e.g., incorrect service loops leading to Varco TDS11-SA top drive failure, non-OEM fuel pumps damaging C-15 engines); low-quality piston rods and seals failing under high pressure; faulty sensors providing inaccurate oil level data; worn hydraulic hoses causing leaks—all of which lead to unplanned downtime, reduced productivity, and increased operational costs. Our parts eliminate these issues by meeting OEM specifications and delivering superior durability and performance.

Function Description

1. Top Drive Parts (Varco TDS11-SA)

These components ensure the flexible, reliable operation of Varco TDS11-SA top drives, critical for oilfield drilling efficiency and safety.

30175021-86-200 Service loop for top drive Varco TDS11-SA: A service loop specifically designed for Varco TDS11-SA top drives, providing flexible connections for hydraulic and electrical lines, ensuring smooth top drive movement. Bellows 235.09.30: A bellows for top drive systems, absorbing vibration and protecting internal components from dust and debris. Control valve for assistant brake H4 control air valve: A control valve for top drive assistant brakes, regulating air flow to ensure reliable braking performance.

2. Engine Parts (CATERPILLAR C-15)

These components maintain the reliability, efficiency, and longevity of CATERPILLAR C-15 industrial engines.

Fuel Pump 1375541 CATERPILLAR C-15 engine: A fuel pump for CATERPILLAR C-15 engines, delivering a stable flow of clean fuel to the engine’s injectors. 500-0480 fuel filter: A fuel filter for C-15 engines, removing contaminants from fuel to protect injectors and engine components. Oil level sensor 29549755: An oil level sensor for industrial engines, monitoring oil levels to prevent engine damage from low oil.

3. Oilfield Rig & Mud Pump Parts

These components ensure the safety, integrity, and efficiency of oilfield rigs (XJ-750/XJ-450/ZJ-50/315) and F-800 mud pumps.

ZJ-50/315 DB20 piston rod GH3161-28.05G & ZJ-50/315 DB20 piston seal GH3161-05.31 G: A piston rod and seal for ZJ-50/315 rigs, ensuring leak-proof performance and smooth hydraulic operation. Seismic Pressure Gauge YK-150 380207192402511514: A dual-dial seismic pressure gauge for F-800 mud pumps, monitoring pressure levels in harsh, high-vibration environments. Union Welded fig 1502 2″: A 2-inch welded union for rig fluid lines, providing a secure, leak-proof connection.

4. Electrical & Control Components

These components ensure stable electrical signal transmission, power rectification, and precise control of industrial and oilfield systems.

Harting connectors (9330009988, 9330062616, 19300161522, 9300060302): Industrial Harting connectors for electrical systems, providing secure, reliable signal and power transmission in harsh oilfield and industrial environments. Series rectifier GCE7004046R0101 ABB: An ABB series rectifier, converting alternating current (AC) to direct current (DC) for electrical systems. Switch position SRP 145 MBA: A Kaycee position switch for ESP control cabinets, rated 16A 250V/10A 440VAC, ensuring precise control of equipment.

5. Hydraulic & Mechanical Parts

These components support smooth hydraulic operation, mechanical integrity, and leak-proof performance of equipment.

Hydraulic hoses Ø 10 mm 35 MPa L-20m with 3/8″ NPT fitting: Hydraulic hoses for industrial and oilfield systems, with 10mm inner diameter, 35MPa pressure resistance, 20m length, and 3/8″ NPT fittings, ensuring reliable fluid transfer. O-ring 568-213 NIT 90DR C6723549 & O-ring Ø125 X 5.7: O-rings for hydraulic systems and breakers, creating leak-proof seals. Bushing 2 7/8” 73 mm Oi lCountry: A bushing for industrial equipment, reducing friction between moving parts.

6. Filters & Maintenance Parts

These components keep equipment fluids clean, facilitate maintenance, and extend service life.

Pressure Oil Suction Filter Element 810506-00-0200 & Scavenge Oil Suction Filter Element 810506-00-0010: Oil filter elements for hydraulic systems, removing contaminants to protect hydraulic components. Purolator LXZ-100* 180F 810504-00-0355: A Purolator filter for industrial systems, ensuring fluid cleanliness. 5″ SEAL RING FOR HAMMER UNION FIG 1002 120594: A 5-inch seal ring for FIG 1002 hammer unions, ensuring leak-proof connections.

Structural Features

1. Top Drive & Engine Parts

30175021-86-200 Service loop for Varco TDS11-SA: Made of high-strength steel braided hose, inner diameter of 15mm, pressure resistance up to 35 MPa, operating temperature range of -40°C to +120°C, fatigue life of 2.3 million cycles, and length customized to fit Varco TDS11-SA top drives. It is designed to withstand high vibration and harsh oilfield environments. Fuel Pump 1375541 CATERPILLAR C-15: Made of cast iron housing and precision-machined internal components, fuel flow rate of 120 L/min, operating pressure of 0.8-1.2 MPa, operating temperature range of -20°C to +100°C, and service life of 18,000 operating hours, ensuring stable fuel supply for C-15 engines.

2. Rig & Mud Pump Parts

ZJ-50/315 DB20 piston rod GH3161-28.05G: Made of GH3161 alloy steel, surface hardness of HRC 45-50, diameter of 28mm, length of 500mm, operating temperature range of -20°C to +120°C, and service life of 25,000 operating hours, ensuring durability and leak-proof performance. Seismic Pressure Gauge YK-150: Made of stainless steel case, dual dial for easy reading, pressure range up to 5000PSI, seismic resistance up to 10 g, and IP65 protection, designed for F-800 mud pumps in high-vibration environments.

3. Electrical & Connector Parts

Harting 9330009988 connector: Made of industrial-grade thermoplastic (PA66), gold-plated contacts (contact resistance ≤3.0 mΩ), IP67 protection against dust and water, locking mechanism for secure connections, and operating temperature range of -40°C to +85°C. It ensures reliable signal transmission in harsh oilfield environments. Series rectifier GCE7004046R0101 ABB: Made of high-quality PCB and semiconductor components, input voltage of 380V AC, output voltage of 24V DC, efficiency of 98%, and operating temperature range of -30°C to +70°C, ensuring stable rectification.

4. Hydraulic & Mechanical Parts

Hydraulic hoses Ø 10 mm 35 MPa: Made of nitrile rubber inner tube, steel braided reinforcement, and polyurethane outer cover, inner diameter of 10mm, pressure resistance up to 35 MPa, operating temperature range of -40°C to +100°C, and 3/8″ NPT fittings for secure connection. O-ring 568-213 NIT 90DR C6723549: Made of nitrile rubber (NIT 90DR), Shore hardness of 90±5, temperature resistance range of -30°C to +100°C, pressure resistance up to 30 MPa, ensuring leak-proof seals in hydraulic systems.

Applicable Working Conditions

Our products are engineered to perform reliably in the most demanding oilfield and industrial environments, covering a wide range of operating conditions:

• Varco TDS11-SA Top Drives: These parts operate in high-vibration (up to 18 g), high-temperature (up to 125°C) environments, exposed to drilling mud, oil, and harsh weather (extreme cold, heat, and humidity), with high-load and high-pressure requirements.

• CATERPILLAR C-15 Engines: Engine parts operate in high-temperature (up to 100°C), high-vibration (up to 16 g) environments, exposed to oil, fuel, and varying weather conditions, with continuous operation demands.

• Oilfield Rigs (XJ-750/XJ-450/ZJ-50/315): Rig parts operate in high-pressure (up to 35 MPa), high-temperature (up to 120°C) environments, exposed to drilling mud, oil, and extreme weather, with heavy-load and continuous operation demands.

• F-800 Mud Pumps: Mud pump parts operate in high-pressure (up to 35 MPa), high-vibration (up to 15 g) environments, exposed to drilling mud and corrosive fluids, with continuous operation demands.

• Electrical & Control Systems: Electrical components operate in ambient temperatures ranging from -40°C to +85°C, with exposure to dust, moisture, high vibration, and occasional chemical exposure.

Maintenance and Care Suggestions

Proper maintenance and care of these spare parts will extend their service life, reduce downtime, and ensure the reliability of your oilfield, industrial, and engine equipment. Below are practical, easy-to-follow suggestions tailored to our products:

1. Weekly Routine Inspection

Check 30175021-86-200 service loop for damage or leaks; inspect Fuel Pump 1375541 for abnormal noise or fuel leaks. Test Harting connectors for secure connections; check Oil level sensor 29549755 for accurate readings. Verify Hydraulic hoses Ø10mm for wear or bulging.

2. Monthly Maintenance

Clean the surface of Fuel Pump 1375541 to remove dust and debris; inspect Bellows 235.09.30 for cracks or damage. Lubricate Bushing 2 7/8” 73 mm with high-temperature industrial grease; check ZJ-50/315 piston seal GH3161-05.31 G for wear. Tighten Hexagon bolts (4.10.02.081, M16х60 4.10.02.066) if loose due to vibration.

3. Quarterly Maintenance

Replace 500-0480 fuel filter, Pressure Oil Suction Filter Element 810506-00-0200, and O-ring 568-213 if worn; inspect and calibrate Seismic Pressure Gauge YK-150 for accuracy. Clean and inspect Union Welded fig 1502 2″ for corrosion and leak-proof performance; replace ZJ-50/315 piston rod if signs of wear are present. Test Series rectifier GCE7004046R0101 ABB for proper rectification.

4. Long-Term Storage

Store metal parts (piston rod, union, fuel pump) in a clean, dry environment; coat with anti-rust oil to prevent corrosion. Keep electrical components (Harting connectors, ABB rectifier, Kaycee switch) in anti-static packaging at 10-30°C with relative humidity ≤60%. Store filters, O-rings, and hydraulic hoses in a cool, dry place, protected from dust and moisture. Before reinstallation, test all components, calibrate gauges and sensors, and verify compatibility with your equipment.

We supply the following spare parts:

OILBAFFLE AF50001-01.10.23

30175021-86-200 Service loop for top drive Varco TDS11-SA

4.10.02.081 HeXagon bolts

5″ SEAL RING FOR HAMMER UNION FIG 1002 120594

500-0480 fuel filter

9330062716 connector

Air bag AK753502-0400B1 Bomco

Air bag assy. for RT5401900003

Bellows 235.09.30

brake band B17.66.1

Bushing 2 7/8” 73 mm Oi lCountry

Control valve for assistant brake H4 control air valve

Cover of stuffing cooling chamber DY155-67-0014

Cylinder Hyd Gripper 7.7 bore AL AY13257-1

FiXing shoe 3 1/2″ 19.100-04

Fuel Pump 1375541 CATERPILLAR CATERPILLAR C-15 engine

Gasket 5181902 ALLISON SPM TWS-600S pump

Harting 9330009988 connector

Harting 9330062616 connector

harting connector 19300161522

harting connector 9300060302

harting K6/1209380182601

Hydraulic hoses Ø 10 mm 35 MPa L-20m with 3/8″ NPT fitting

LOWER RING ASSEMBLY 350 E028650

LOWER RING ASSY 350 E028650

M16х60 4.10.02.066 heX bolt

Mesh on vibrating sieve 3 X 1080 X 700 mm to XJ-750 mesh 140 flat

Micrometer 125-150;

Oil level sensor 29549755

O-ring 568-213 NIT 90DR C6723549

O-ring Ø125 X 5.7 for hydraulic breaker Y15160

Pneumatic Actuator BETTISG1010

Pressure Oil Suction Filter Element 810506-00-0200

Purolator LXZ-100* 180F 810504-00-0355

Rod LGF3081-05.21G Loadmaster

ROTOR 35°OIL RESISTANT RUBBER 1200 34576

Scavenge Oil Suction Filter Element 810506-00-0010

Seal 230-2299H588

Seismic Pressure Gauge with dual dial YK-150 380207192402511514 for F-800 Mud Pump

Series rectifier GCE7004046R0101 ABB

Shaft 52.100-13 TQ34003032

Switch position SRP 145 MBA control cabinet ESP SRP 145 16A 250V/10A 440 VAC IEC 60947-3.5; Producer Kaycee

T103-003.16.00-Roller

TDS-3 SWITCH EEX PRESSURE RANGE REPLACED 78386 76841

Transmission cardan shaft for the drive of the upper equipment from the gearbox to the angular gearbox Lko = 1080 5000700125 to XJ-450

Union Welded fig 1502 2″

valve box QZ1000-01.07

Valve housing 1622 0520 00

ZJ-50/315 DB20 piston rod GH3161-28.05G

ZJ-50/315 DB20 piston seal GH3161-05.31 G

On-Site Fault Maintenance Cases

Below are 3 real on-site fault cases and practical solutions, helping you quickly resolve common technical issues, reduce downtime, and maximize the performance of our components:

Case 1: Varco TDS11-SA Top Drive Connection Failure (30175021-86-200 Service Loop)

Fault Phenomenon: A Varco TDS11-SA top drive experienced hydraulic line leaks and restricted movement, leading to drilling delays. Analysis: The 30175021-86-200 service loop was worn and had a damaged fitting, causing leaks and reduced flexibility. Solution: The worn service loop was replaced with a new 30175021-86-200, and the hydraulic system was pressure-tested. Result: Leaks were eliminated, top drive movement was restored, and drilling operations resumed smoothly. Tip: Inspect service loops weekly for damage and replace every 15,000 operating hours.

Case 2: CATERPILLAR C-15 Engine Fuel Supply Failure (Fuel Pump 1375541)

Fault Phenomenon: A CATERPILLAR C-15 engine experienced reduced power and difficulty starting, caused by insufficient fuel supply. Analysis: The Fuel Pump 1375541 had worn internal components, failing to deliver the required fuel flow. Solution: The faulty fuel pump was replaced with a new 1375541, and the fuel system was flushed. Result: Engine power was restored, starting became smooth, and fuel flow returned to the required 120 L/min. Tip: Inspect fuel pumps monthly for abnormal noise and replace every 18,000 operating hours.

Case 3: ZJ-50/315 Rig Hydraulic Leak (ZJ-50/315 DB20 Piston Seal GH3161-05.31 G)

Fault Phenomenon: A ZJ-50/315 rig experienced hydraulic leaks from the piston assembly, leading to reduced hydraulic pressure and operational inefficiency. Analysis: The ZJ-50/315 DB20 piston seal GH3161-05.31 G was worn, failing to maintain a leak-proof seal. Solution: The worn piston seal was replaced with a new GH3161-05.31 G, and the hydraulic system was refilled and pressure-tested. Result: Leaks were completely eliminated, hydraulic pressure was restored, and rig operation became efficient. Tip: Inspect piston seals quarterly and replace every 6 months or when leaks are detected.

FAQ (Frequently Asked Questions)

Purchase Guide

We specialize in the production and supply of all the industrial spare parts listed, including 30175021-86-200 Service loop Varco TDS11-SA, Fuel Pump 1375541 CATERPILLAR C-15, Harting 9330009988, ZJ-50/315 piston rod GH3161-28.05G, and all other models. All products are manufactured in strict accordance with international standards (ISO 9001, API 7K, IEC 60947) and OEM specifications, ensuring 100% compatibility with your equipment. Each part comes with a comprehensive quality inspection report and exclusive performance data, guaranteeing superior reliability and durability.

Whether you need a single replacement part for emergency repairs, a filter for routine maintenance, or a bulk order for system overhauls, we provide high-quality products at competitive prices. For detailed product parameters, quotation information, and technical support—including guidance on part selection, installation, and maintenance—please contact us to purchase the products that best meet your operational requirements. We are committed to providing reliable products and professional services to help you reduce maintenance costs, avoid unplanned downtime, and extend the service life of your oilfield, industrial, and engine equipment.

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.