1. Core Overview & Target Application Brief

This specialized spare parts catalog is precision engineered exclusively for Ingersoll Rand air compressors paired with Third Generation FA Series air winches, the industry-standard pneumatic power systems deployed across offshore drilling rigs, onshore oilfield operations, mining sites, and heavy industrial lifting. Tailored to the specialized needs of rig maintenance technicians, air compressor service specialists, air winch operators, oilfield service contractors, and drilling operations managers, this parts suite directly addresses the most costly and disruptive field pain points: air pressure loss, pneumatic valve failure, seal leaks, brake assembly wear, bearing fatigue, and unplanned downtime that halts critical lifting, hoisting, and compressed air workflows.
2. Detailed Product & Component Specifications
This Ingersoll Rand spare parts line features heavy-duty, wear-resistant components built to withstand the extreme vibration, moisture, and cyclic loading of pneumatic air compressor and winch operation. Each part—spanning piston assemblies, crank bearings, pneumatic valves, O-ring seals, brake bands, winch service kits, and mufflers—is crafted from premium materials: forged alloy steel for load-bearing components, heat-treated cast iron for pistons and cylinders, oil-resistant nitrile rubber for seals, and precision-ground bearings for high-speed rotation. All critical parts are machined to a dimensional accuracy of ±0.002 inches, ensuring direct interchangeability with original Ingersoll Rand hardware without modification.
We supply the following spare parts:
| RFx Item No | Part Number | Description | Manufacturer | Unt |
| 00040 | BU-A152/03198272 | BRAKE,ASSY,BND | INGERSOLL RAND | Pieces |
| 00050 | 4306593/MR-269C | ASSEMBLY,RMOT PNDNT THRTL HNDL | INGERSOLL RAND | Pieces |
| 00060 | K5B-A513-47/03924495 | PISTON,ASSY | INGERSOLL RAND | Pieces |
| 00070 | 71393508/28696 | VALVE,PLT | INGERSOLL RAND | Pieces |
| 00080 | 3989746/51066 | BEARING,CRNK | INGERSOLL RAND | Pieces |
| 00090 | 3899325/52384 | BREATHER,AIR PWRD MAN RIDING WNCH | INGERSOLL RAND | Pieces |
| 00100 | 51857/71062558 | BREATHER,AIR PWRD MAN RIDING WNCH | INGERSOLL RAND | Pieces |
| 00110 | K5B-511/03880242 | BUSHING,AIR WNCH | INGERSOLL RAND | Pieces |
| 00120 | 71009815 | CONNECTOR,WNCH | INGERSOLL RAND | Pieces |
| 00130 | BU7A-720/03722683 | CYLINDER,BRK | INGERSOLL RAND | Pieces |
| 00140 | 71125256/53954 | FITTING,HOSE END | INGERSOLL RAND | Pieces |
| 00150 | S1029/03990298 | FITTING,INTRNL HOSE,CNCTR | INGERSOLL RAND | Pieces |
| 00160 | 71390181 | KIT,SRVC,AIR WNCH,3 | INGERSOLL RAND | kit |
| 00170 | 3980976/52104 | MUFFLER,WNCH | INGERSOLL RAND | Pieces |
| 00180 | 3969524/50594 | MUFFLER,EXH,AUTO,RDL-FLW,2IN NPT | INGERSOLL RAND | Pieces |
| 00190 | 3980596/51460 | O-RING | INGERSOLL RAND | Pieces |
| 00200 | 3974805 | O-RING | INGERSOLL RAND | Pieces |
| 00210 | 3980588/51459 | O-RING | INGERSOLL RAND | Pieces |
| 00220 | 51768/03989514 | O-RING | INGERSOLL RAND | Pieces |
| 00230 | 20A11CM248/95086690 | O-RING | INGERSOLL RAND | Pieces |
| 00240 | 3904711/8609 | PIN,DRM BRK,WRNCH | INGERSOLL RAND | Pieces |
| 00250 | 51462/382-31910 | SEAL,WNCH | INGERSOLL RAND | Pieces |
| 00260 | 3980612/51464 | SEAL,WNCH | INGERSOLL RAND | Pieces |
| 00270 | 38595864/6976-1541 | SEAL,WNCH | INGERSOLL RAND | Pieces |
| 00280 | 51873/03980927 | SEAL,OIL | INGERSOLL RAND | Pieces |
| 00290 | K5B-519/03880267 | SLEEVE,WNCH | INGERSOLL RAND | Pieces |
| 00300 | 71025704/50276 | VALVE,DUMP | INGERSOLL RAND | Pieces |
| 00310 | 3974870/51954 | VALVE,DUMP | INGERSOLL RAND | Pieces |
| 00320 | 71302673 | VALVE,DUMP | INGERSOLL RAND | Pieces |
| 00330 | 71435606/382-30632 | VALVE,EXH | INGERSOLL RAND | Pieces |
| 00340 | 71352900/K5B-526EQ-RS | VALVE,RTRY | INGERSOLL RAND | Pieces |
| 00350 | 50277/03969466 | VALVE,SHTL | INGERSOLL RAND | Pieces |
| 00360 | 382-31948/71468706 | BAND,BRK | INGERSOLL RAND | Pieces |
| 00370 | 382-31020/ | ASSEMBLY,AIR PREP,1-1/2IN NPT | INGERSOLL RAND | Pieces |
| 00380 | 382-32144/71473441 | KIT,SRVC,WNCH | INGERSOLL RAND | kit |
| 00390 | 71465835/PTV1-E | VALVE,CNTRL,ASSY,E-OPTION | INGERSOLL RAND | Pieces |
| 00400 | K5B-545/71449300 | VALVE,RTRY | INGERSOLL RAND | Pieces |
| 00410 | 71458418/71069702 | BEARING,AIR WNCH | INGERSOLL RAND | Pieces |
3. Field Fault Repair Cases (Real-World Scenarios)
3.1 Case 1: Air Pressure Leak (Offshore Drilling Rig)
Issue: Ingersoll Rand air compressor failed to maintain rated pressure, causing slow air winch operation. Root cause: Worn valve plates (71393508) and degraded O-rings (3980596) causing pneumatic leaks. Repair: Replaced valve plates and O-ring set; pressure-tested the air system. Outcome: Restored full air pressure, eliminated leaks, and resumed normal winch lifting speed.
3.2 Case 2: Winch Brake Failure (Onshore Oilfield)
Issue: Air winch brake failed to hold load, creating a safety hazard. Root cause: Worn brake band (382-31948) and faulty brake cylinder (BU7A-720). Repair: Installed new brake band and cylinder; adjusted brake tension to OEM specs. Outcome: Restored full braking torque, complied with API safety standards, and resumed safe lifting operations.
3.3 Case 3: Crank Bearing Failure (Mining Site)
Issue: Air compressor produced excessive noise and vibration, shutting down pneumatic operations. Root cause: Fatigued crank bearing (3989746) and misaligned bushing. Repair: Replaced crank bearing and winch bushing; rebalanced rotating components. Outcome: Eliminated vibration, restored smooth compressor operation, and extended equipment service life.
4. Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts compatible with all Ingersoll Rand air winches? | These parts are designed for Ingersoll Rand Third Generation FA Series air winches and matching air compressors; verify model numbers for cross-compatibility with other winch series. |
| Do these kits include all parts for a full air winch overhaul? | Yes, the dedicated winch service kits (71390181, 382-32144) include seals, bearings, bushings, and small components needed for complete pneumatic winch rebuilds. |
| How do I identify the correct O-ring part number for my air compressor? | Cross-reference the O-ring size and application location with the catalog listings; O-rings are labeled with unique Ingersoll Rand part numbers for precise matching. |
5. Procurement Guidance & Call to Action
This Ingersoll Rand air compressor and air winch parts list serves as a dual-purpose industry resource: a strict procurement standard to guarantee part quality, compatibility, and compliance with API and ASME safety standards, and a practical technical reference to resolve field failures quickly and safely. Choosing these OEM-equivalent replacement parts minimizes unplanned rig downtime, reduces long-term maintenance expenses, and preserves the reliable performance of your critical pneumatic lifting and compressed air systems.
For all spare part inquiries, order placement, and technical verification, submit your requirements using the exact part numbers and descriptions listed in this catalog. Our technical team provides specialized support to confirm part fitment, material specifications, and subsystem compatibility for your specific repair or overhaul needs, ensuring you receive the precise components needed to restore your Ingersoll Rand air compressor and winch system to full operational condition. Build your critical spare parts inventory today to mitigate repair delays and maintain uninterrupted pneumatic operations across drilling, mining, and industrial job sites.