| ITEM | NAME/DESCRIPTION | PART NO. | BRAND |
| 53501 | BEARING-ADAPTER (HYD PUMP DRIVE) | 4W4925 | Caterpillar |
| 53502 | GOV & FUEL INJ PUMP GROUP (GOVERNOR AND FUEL INJECTION PUMP GROUP) | 4W4938 | Caterpillar |
| 53503 | GEAR AS (40-TEETH40 TEETH) | 4W4941 | Caterpillar |
| 53504 | LEVER AS (IDLER ARM) | 4W4945 | Caterpillar |
| 53505 | PUMP GROUP-ENGINE OIL | 4W4951 | Caterpillar |
| 53506 | BODY AS-OIL PUMP | 4W4953 | Caterpillar |
| 53507 | Oil cooler | 4W4956 | Caterpillar |
| 53508 | CORE GROUP-OIL COOLER (-ENGINE) | 4W4980 | Caterpillar |
| 53509 | SHAFT-CLUSTER GEAR | 4W4998 | Caterpillar |
| 53510 | BRACKET | 4W5045 | Caterpillar |
| 53511 | CONTROL GROUP-GOVERNOR | 4W5048 | Caterpillar |
| 53512 | MAFFLER ASSEM. | 4W5053 | Caterpillar |
| 53513 | CORE GROUP-OIL COOLER (-TRANSMISSION) | 4W5056 | Caterpillar |
| 53514 | ROD AS | 4W5062 | Caterpillar |
| 53515 | SUPPORT-REAR | 4W5074 | Caterpillar |
| 53516 | STARTING MOTOR GROUP-AIR | 4W5105 | Caterpillar |
| 53517 | STARTING MOTOR GROUP-AIR | 4W5106 | Caterpillar |
| 53518 | STARTING MOTOR GROUP-AIR (-VANE) | 4W5107 | Caterpillar |
| 53519 | STARTING MOTOR GROUP-AIR (-RH) | 4W5108 | Caterpillar |
| 53520 | STARTING MOTOR GROUP-AIR | 4W5109 | Caterpillar |
| 53521 | MOTOR AS. | 4W5123 | Caterpillar |
| 53522 | TURBOCHARGER GROUP | 4W5188 | Caterpillar |
| 53523 | HOUSING (TURBINE) | 4W5191 | Caterpillar |
| 53524 | VALVE | 4W5224 | Caterpillar |
| 53525 | FILTER ELEMENT AS-AIR (PRIMARYPRIMARY) | 4W5228 | Caterpillar |
| 53526 | REGULATOR AS | 4W5269 | Caterpillar |
| 53527 | REGULATOR AS | 4W5270 | Caterpillar |
| 53528 | REGULATOR AS | 4W5271 | Caterpillar |
| 53529 | TUBE | 4W5305 | Caterpillar |
| 53530 | GAUGE GROUP-VACUUM (AIR PRESSURE RESTRICTION) | 4W5318 | Caterpillar |
| 53531 | CAM | 4W5320 | Caterpillar |
| 53532 | SEAL-CRANKSHAFT | 4W5359 | Caterpillar |
| 53533 | SEAL-CRANKSHAFT | 4W5360 | Caterpillar |
| 53534 | CORE GROUP-OIL COOLER (-TRANSMISSION) | 4W5363 | Caterpillar |
| 53535 | CORE GROUP-OIL COOLER (-REAR BRAKE, HOIST-FRONT BRAKE, TC) | 4W5365 | Caterpillar |
| 53536 | GASKET | 4W5369 | Caterpillar |
| 53537 | CONTROL AS-GOVERNOR | 4W5392 | Caterpillar |
| 53538 | CORE GROUP-OIL COOLER | 4W5405 | Caterpillar |
| 53539 | CORE GROUP-OIL COOLER | 4W5409 | Caterpillar |
| 53540 | CORE GROUP-OIL COOLER, Engine G-71A/B/C (Engine model: G3508, Series No. 9TG00176/7/8, A/N 4P8327, Caterpillar | 4W-5409/124-5142 | Caterpillar |
| 53541 | CORE GROUP-OIL COOLER (TRANSMISSION) | 4W5412 | Caterpillar |
| 53542 | DRIVE GROUP-WATER PUMP (WATER PUMP DRIVE GROUP) | 4W5428 | Caterpillar |
| 53543 | TRANSFORMER AS | 4W5439 | Caterpillar |
| 53544 | DOWEL-BRIDGE GUIDE | 4W5441 | Caterpillar |
| 53545 | PLUG-DOWEL | 4W5442 | Caterpillar |
| 53546 | BODY AS-TRANSFER PUMP | 4W5476 | Caterpillar |
| 53547 | PUMP GROUP-FUEL TRANSFER | 4W5477 | Caterpillar |
| 53548 | PUMP GROUP-FUEL TRANSFER | 4W5479 | Caterpillar |
| 53549 | BEARING-MAIN (MAIN) | 4W5488 | Caterpillar |
| 53550 | BEARING-MAIN (STANDARD) (`STANDARD) | 4W5492 | Caterpillar |
| 53551 | Bearing | 4W-5492/317-8766 | Caterpillar |
| 53552 | Main bearing | 4W5498 | Caterpillar |
| 53553 | COVER-AFTERCOOLER | 4W5519 | Caterpillar |
| 53554 | TUBE AS-AIR CLEANER | 4W5538 | Caterpillar |
| 53555 | CORE AS-OIL COOLER | 4W5549 | Caterpillar |
| 53556 | CORE AS-OIL COOLER | 4W5551 | Caterpillar |
| 53557 | METER GROUP-SERVICE | 4W5556 | Caterpillar |
| 53558 | MOUNTING GROUP-ALTERNATOR | 4W5580 | Caterpillar |
| 53559 | PUMP GROUP-GOV & FUEL INJ | 4W5633 | Caterpillar |
| 53560 | PUMP GROUP-GOV & FUEL INJ | 4W5634 | Caterpillar |
| 53561 | PUMP GROUP-GOV & FUEL INJ | 4W5641 | Caterpillar |
| 53562 | BEARING-CONNECTING ROD (1.27MM.050IN.) | 4W5694 | Caterpillar |
| 53563 | BEARING-MAIN | 4W5698 | Caterpillar |
| 53564 | BEARING-MAIN (1.27-MM US.050IN US) | 4W5699 | Caterpillar |
| 53565 | BEARING-MAIN (0.63-MM OS.025IN OS) | 4W5700 | Caterpillar |
| 53566 | BEARING-MAIN (0.63-MM US – 0.63-MM OS.050IN OS) | 4W5701 | Caterpillar |
| 53567 | BEARING-CONNECTING ROD (.63MM .025IN UNDERSIZE) | 4W5702 | Caterpillar |
| 53568 | BEARING-CONNECTING ROD (1.27MM .05IN UNDERSIZE) | 4W5703 | Caterpillar |
| 53569 | BEARING-MAIN (STANDARD) | 4W5704 | Caterpillar |
| 53570 | BEARING-MAIN-(1.27 MM UNDERSIZE) | 4W5706 | Caterpillar |
| 53571 | BEARING-CONNECTING ROD (.635MM.025INU.S.) | 4W5709 | Caterpillar |
| 53572 | BEARING-CONNECTING ROD (1.27MM.050INU.S.) | 4W5710 | Caterpillar |
| 53573 | ADAPTER AS-VALVE | 4W5733 | Caterpillar |
| 53574 | CARTRIDGE GROUP-TURBOCHARGER (TURBOCHARGER CARTRIDGE) | 4W5736 | Caterpillar |
| 53575 | BEARING CRANKSHAFT GROUP | 4W5738 | Caterpillar |
| 53576 | BEARING-CONNECTING ROD (STANDARD) | 4W5739 | Caterpillar |
| 53577 | PAN AS-OIL | 4W5745 | Caterpillar |
| 53578 | TRANSFORMER AS. | 4W5789 | Caterpillar |
| 53579 | LINE AS-FUEL INJECTION (NO. 6) | 4W5806 | Caterpillar |
| 53580 | PAN AS-OIL | 4W5816 | Caterpillar |
| 53581 | PISTON AS | 4W5819 | Caterpillar |
| 53582 | INDICATOR-AIR FILTER CHANGE | 4W5820 | Caterpillar |
| 53583 | ADAPTER-POWER TAKE OFF | 4W5822 | Caterpillar |
| 53584 | V-BELT (A/C COMPRESSOR) | 4W5825 | Caterpillar |
| 53585 | CAP AS-AIR CLEANER | 4W5828 | Caterpillar |
| 53586 | CONNECTION-FEED | 4W5864 | Caterpillar |
| 53587 | COOLER GROUP-ENGINE OIL | 4W5891 | Caterpillar |
| 53588 | COOLER GROUP-ENGINE OIL (ENGINE OIL COOLER GROUP) | 4W5892 | Caterpillar |
| 53589 | COOLER GROUP-ENGINE OIL (ENGINE OIL COOLER GROUP) | 4W5893 | Caterpillar |
| 53590 | POTENTIOMETER (100-OHMENGINE SPEED CONTROL) | 4W5971 | Caterpillar |
| 53591 | KNOB (ENGINE SPEED CONTROL) | 4W5972 | Caterpillar |
