| ITEM | NAME/DESCRIPTION | PART NO. | BRAND |
| 55394 | TIP | 5K0054 | Caterpillar |
| 55395 | SEAL-O-RING | 5K0227 | Caterpillar |
| 55396 | PLUG | 5K0605 | Caterpillar |
| 55397 | PIN | 5K0651 | Caterpillar |
| 55398 | PIN-LOWER | 5K0871 | Caterpillar |
| 55399 | SEAL-LIP TYPE | 5K0983 | Caterpillar |
| 55400 | BEARING AS-ROLLER | 5K0985 | Caterpillar |
| 55401 | SHIM PACK (INCLUDES 35-SHIMS) | 5K0988 | Caterpillar |
| 55402 | CAP-UPPER | 5K0989 | Caterpillar |
| 55403 | CAP-LOWER | 5K0991 | Caterpillar |
| 55404 | SEAL GROUP-DUO-CONE | 5K1078 | Caterpillar |
| 55405 | TUBE ASSEM | 5K1231 | Caterpillar |
| 55406 | PILOT ASSEM. | 5K1278 | Caterpillar |
| 55407 | PLUG | 5K1425 | Caterpillar |
| 55408 | GROMMET | 5K1458 | Caterpillar |
| 55409 | PIN-LOCKING | 5K1459 | Caterpillar |
| 55410 | CAP-FILLER (TRANSMISSION OIL) | 5K1568 | Caterpillar |
| 55411 | 5k1608 | Caterpillar | |
| 55412 | SPINDLE | 5K1651 | Caterpillar |
| 55413 | SEAL-TOP COVER OF FILTER GROUP | 5K1770 | Caterpillar |
| 55414 | SEAL-O-RING (183.52MM ID) | 5K1787 | Caterpillar |
| 55415 | ROD | 5K1929 | Caterpillar |
| 55416 | GASKET | 5K2083 | Caterpillar |
| 55417 | TUBE ASSEM. (Left Hand) | 5K2178 | Caterpillar |
| 55418 | BEARING-SELF-ALIGNING | 5K2294 | Caterpillar |
| 55419 | CLIP (large) | 5K2298 | Caterpillar |
| 55420 | LINK ASSEM. | 5K2413 | Caterpillar |
| 55421 | MASTER CYLINDER ASSEMBLY | 5K2446 | Caterpillar |
| 55422 | TUBE ASSEM. | 5K2476 | Caterpillar |
| 55423 | TUBE ASSEM. | 5K2527 | Caterpillar |
| 55424 | SEAL–TO COVER ON AHEAD INPUT SHAFT | 5K2595 | Caterpillar |
| 55425 | SPRING-RECOIL | 5K2754 | Caterpillar |
| 55426 | MASTER CYLINDER ASSEMBLY | 5K2783 | Caterpillar |
| 55427 | ROD-CONTROL | 5K2933 | Caterpillar |
| 55428 | FENDERS | 5K3079 | Caterpillar |
| 55429 | PIN ASSEM. | 5K3288 | Caterpillar |
| 55430 | CLIP (12.7MM ID) | 5K3294 | Caterpillar |
| 55431 | BRACKET | 5K3304 | Caterpillar |
| 55432 | SHIM PACK (INCLUDES 18-SHIMSINCLUDES 18 SHIMS) | 5K3489 | Caterpillar |
| 55433 | SPACER | 5K3490 | Caterpillar |
| 55434 | SPACER | 5K3491 | Caterpillar |
| 55435 | SHIM PACK (INCLUDES 19-SHIMSINCLUDES 20 SHIMS) | 5K3492 | Caterpillar |
| 55436 | COVER | 5K3493 | Caterpillar |
| 55437 | PIN-LOWER | 5K3499 | Caterpillar |
| 55438 | CAP-UPPER | 5K3501 | Caterpillar |
| 55439 | CAP-LOWER | 5K3502 | Caterpillar |
| 55440 | SHIM ( USE AS REQUIRED ) | 5K3657 | Caterpillar |
| 55441 | TANDEM VALVE ASSEMBLY | 5K3662 | Caterpillar |
| 55442 | AIR-OVER-HYDRAULIC BRAKE POWER ASSEMBLY | 5K3663 | Caterpillar |
| 55443 | HOSE ASSEM. (20.50″ long overall) | 5K3773 | Caterpillar |
| 55444 | GEAR (61 Teeth) | 5K3961 | Caterpillar |
| 55445 | YOKE ASSEM. | 5K3967 | Caterpillar |
| 55446 | RETAINER-BEARING | 5K3968 | Caterpillar |
| 55447 | RING-LOCK | 5K4068 | Caterpillar |
| 55448 | CAGE-BEARING | 5K4079 | Caterpillar |
| 55449 | IDLER GROUP-FRONT (FRONT IDLER GROUP) | 5K4357 | Caterpillar |
| 55450 | SEAL-RING | 5K4500 | Caterpillar |
| 55451 | TRACK ROLLER GROUP | 5K4542 | Caterpillar |
| 55452 | TRACK ROLLER GROUP | 5K4543 | Caterpillar |
| 55453 | PUMP DRIVE GROUP | 5K4608 | Caterpillar |
| 55454 | RING-RETAINING | 5K4627 | Caterpillar |
| 55455 | DRIVE SHAFT ASSEM. | 5K4659 | Caterpillar |
| 55456 | GASKET | 5K4753 | Caterpillar |
| 55457 | FLANGE | 5K4865 | Caterpillar |
| 55458 | RIM ASSEM. | 5K4869 | Caterpillar |
| 55459 | BRAKE AS | 5K4984 | Caterpillar |
| 55460 | BRAKE CHAMBER ASSEMBLY–R.H.,BRAKE CHAMBER ASSEMBLY–L.H. | 5K5017 | Caterpillar |
| 55461 | BRAKE CHAMBER ASSEMBLY–R.H.,BRAKE CHAMBER ASSEMBLY–L.H. | 5K5018 | Caterpillar |
| 55462 | FITTING (PIPE HEXAGON) | 5K5068 | Caterpillar |
| 55463 | RING-SEALING | 5K5129 | Caterpillar |
| 55464 | SEAT | 5K5223 | Caterpillar |
| 55465 | SEAL GROUP-DUO-CONE (STANDARD) | 5K5288 | Caterpillar |
| 55466 | COVER ASSEM. | 5K5305 | Caterpillar |
| 55467 | CLIP | 5K5338 | Caterpillar |
| 55468 | SPRING | 5K5697 | Caterpillar |
| 55469 | SPROCKET ASSEM. (SNOW) | 5K5858 | Caterpillar |
| 55470 | SEAL TUBE ASSEMBLY TO FLANGE | 5K5959 | Caterpillar |
| 55471 | BEARING | 5K6117 | Caterpillar |
| 55472 | HOSE ASSEM. (39.30″ long overall) | 5K6149 | Caterpillar |
| 55473 | SLEEVE | 5K6261 | Caterpillar |
| 55474 | SPRING | 5K6262 | Caterpillar |
| 55475 | GASKET | 5K6304 | Caterpillar |
| 55476 | GUARD ASSEM. (Front-R.H.) | 5K6353 | Caterpillar |
| 55477 | GUARD ASSEM. (Front-L.H.) | 5K6354 | Caterpillar |
| 55478 | PIN | 5K6383 | Caterpillar |
| 55479 | SPRING | 5K6386 | Caterpillar |
| 55480 | CLIP (Use With Marine Engine) | 5K6437 | Caterpillar |
| 55481 | FLANGE | 5K6710 | Caterpillar |
| 55482 | COVER (L.H.) | 5K7027 | Caterpillar |
| 55483 | PIN | 5K7035 | Caterpillar |
| 55484 | CYLINDER ASSEM. | 5K7154 | Caterpillar |
| 55485 | CYLINDER ASSEM. | 5K7155 | Caterpillar |
| 55486 | PINION (10 TEETH) | 5K7182 | Caterpillar |
| 55487 | GUARD GROUP-TRACK ROLLER | 5K7248 | Caterpillar |
| 55488 | HOSE ASSEM. (33.20″ long overall) | 5K7274 | Caterpillar |
| 55489 | HOSE ASSEM. (18″ long overall) | 5K7577 | Caterpillar |
| 55490 | TUBE ASSEM. (41.23″ long overall) | 5K7666 | Caterpillar |
| 55491 | HOLDER-TOOTH | 5K7748 | Caterpillar |
| 55492 | BOLT | 5K8003 | Caterpillar |
| 55493 | CABLE AS (BAT TO BAT) | 5K8074 | Caterpillar |
| 55494 | STRIP | 5K8251 | Caterpillar |
| 55495 | ADAPTER | 5K8287 | Caterpillar |
| 55496 | GASKET | 5K8347 | Caterpillar |
| 55497 | BOLT-SELF LOCKING (1/2UNC X 1 1/8) | 5K8454 | Caterpillar |
| 55498 | BUSHING | 5K8478 | Caterpillar |
| 55499 | SHAFT | 5K8481 | Caterpillar |
| 55500 | RACE & ROLLER ASSEM. (outer) | 5K8591 | Caterpillar |
| 55501 | DISC-STEER CLUTCH DRIVE (8 TEETH) | 5K8616 | Caterpillar |
| 55502 | GUARD ASSEM. (Right Hand) | 5K8655 | Caterpillar |
| 55503 | TRACK ROLLER FRAME GUARD GROUP | 5K8700 | Caterpillar |
| 55504 | STEERING CLUTCH BOOSTER HYDRAULIC MECHANISM GROUP | 5K8746 | Caterpillar |
| 55505 | PIN | 5K8889 | Caterpillar |
| 55506 | GASKET | 5K8987 | Caterpillar |
| 55507 | RING (External) | 5K9064 | Caterpillar |
| 55508 | RING-RETAINING | 5K9065 | Caterpillar |
| 55509 | SLACK ADJUSTER | 5K9070 | Caterpillar |
| 55510 | SEAL-TO HYDRAULIC COOLER INLET PORT | 5K9090 | Caterpillar |
| 55511 | RING-RETAINING | 5K9106 | Caterpillar |
| 55512 | BRAKE CHAMBER ASSEMBLY | 5K9120 | Caterpillar |
| 55513 | ELBOW (to flywheel housing) | 5K9235 | Caterpillar |
| 55514 | CONNECTOR (fuel return) | 5K9238 | Caterpillar |
| 55515 | ELBOW (TUBE AS. TO CYLINDER BLOCK) | 5K9241 | Caterpillar |
| 55516 | ELBOW (90 DEGREES INVERTED FLARED) | 5K9243 | Caterpillar |
| 55517 | ELBOW-FLARED (3/8-18 NPTINVERTED FLARED) | 5K9244 | Caterpillar |
| 55518 | CONNECTOR-FLARED | 5K9245 | Caterpillar |
| 55519 | UNION-FLARED | 5K9249 | Caterpillar |
| 55520 | LINK (RIGHT HAND) | 5K9457 | Caterpillar |
| 55521 | LINK (LEFT HAND) | 5K9458 | Caterpillar |
| 55522 | CLIP-UPPER TUBE TO PLATE | 5K9660 | Caterpillar |
| 55523 | VALVE ASSEM. | 5K9972 | Caterpillar |
| 55524 | CONNECTOR-FLARED | 5K9979 | Caterpillar |

