| ITEM | NAME/DESCRIPTION | PART NO. | BRAND |
| 66600 | AIR COMPRESSOR GROUP | 7W4020 | Caterpillar |
| 66601 | RADIATOR GROUP (FOLDED CORE) | 7W4074 | Caterpillar |
| 66602 | BEARING-MAIN | 7W4107 | Caterpillar |
| 66603 | ADAPTER-EXPANSION TANK | 7W4111 | Caterpillar |
| 66604 | NUT (M12X1.25-THD) | 7W4117 | Caterpillar |
| 66605 | KIT-MAGNETO COUPLER (INCLUDES COUPLER & PIN) | 7W4130 | Caterpillar |
| 66606 | KIT-ALTERNATOR (GASKETS BEARINGS COUPLING, PINY) | 7W4131 | Caterpillar |
| 66607 | SHAFT ASSEM. | 7W4137 | Caterpillar |
| 66608 | GASKET | 7W4149 | Caterpillar |
| 66609 | ENGINE AR | 7W4152 | Caterpillar |
| 66610 | ENGINE AR-SOUND SUPPRESSION | 7W4157 | Caterpillar |
| 66611 | FILTER GROUP-FUEL (FUEL FILTER GROUP) | 7W4175 | Caterpillar |
| 66612 | DIAPHRAGM | 7W4286 | Caterpillar |
| 66613 | WASHER (5X11X1.5-MM THK) | 7W4313 | Caterpillar |
| 66614 | GEAR-PUMP DRIVE (64 TEETH) | 7W4336 | Caterpillar |
| 66615 | TRANSFORMER | 7W4377 | Caterpillar |
| 66616 | PULLEY-CRANKSHAFT | 7W4405 | Caterpillar |
| 66617 | PUMP GROUP-ENGINE OIL | 7W4456 | Caterpillar |
| 66618 | PUMP GROUP-ENGINE OIL (-1-SECTION GEAR) | 7W4457 | Caterpillar |
| 66619 | HEAT SINK AS-NEGATIVE | 7W4470 | Caterpillar |
| 66620 | PUMP GROUP-FUEL INJECTION | 7W4475 | Caterpillar |
| 66621 | BOWL-FUEL FILTER | 7W4481 | Caterpillar |
| 66622 | WASHER (17.14X9.76X3.18-MM THK) | 7W4482 | Caterpillar |
| 66623 | WASHER (9.76X17.14X1.8-MM THK17.1MM .68IN OD) | 7W4486 | Caterpillar |
| 66624 | COUPLER-DRIVE | 7W4488 | Caterpillar |
| 66625 | HOUSING GROUP-FRONT (HOUSING GROUP-FRONT) | 7W4509 | Caterpillar |
| 66626 | GASKET (EXHAUST OUTLET) | 7W4566 | Caterpillar |
| 66627 | BEARING GROUP-MAIN (STANDARDSTANDARD) | 7W4589 | Caterpillar |
| 66628 | VALVE-EXHAUST | 7W4602 | Caterpillar |
| 66629 | LEVER AS-RH | 7W4613 | Caterpillar |
| 66630 | LEVER AS-LH (EACH INCLUDES) | 7W4614 | Caterpillar |
| 66631 | BOLT (7/16-20X1.5-IN) | 7W4634 | Caterpillar |
| 66632 | SHIELD-DUST | 7W4642 | Caterpillar |
| 66633 | RING SET | 7W4742 | Caterpillar |
| 66634 | GASKET-BODY | 7W4794 | Caterpillar |
| 66635 | BEARING SET-ROD (STANDARD) | 7W4816 | Caterpillar |
| 66636 | TUBE AS-MANIFOLD INLET | 7W4864 | Caterpillar |
| 66637 | KIT-CARTRIDGE (TURBOCHARGER) | 7W4874 | Caterpillar |
| 66638 | JET AS-PISTON COOLING | 7W4990 | Caterpillar |
| 66639 | FILTER ELEMENT AS-AIR (PRIMARY) | 7W5040 | Caterpillar |
| 66640 | GEAR-FLYWHEEL (134-TEETHID 376.05MM) | 7W5095 | Caterpillar |
| 66641 | CONDENSER (AIR CONDITIONER) | 7W5112 | Caterpillar |
| 66642 | TANK AS-RADIATOR-BOTTOM | 7W5136 | Caterpillar |
| 66643 | GASKET | 7W5164 | Caterpillar |
| 66644 | LEVER | 7W5173 | Caterpillar |
| 66645 | MUFFLER AS | 7W5194 | Caterpillar |
| 66646 | FILTER ELEMENT AS-AIR (PRIMARY) | 7W5216 | Caterpillar |
| 66647 | V-BELT SET (INCLUDES 6-BELTSFAN DRIVE) | 7W5228 | Caterpillar |
| 66648 | V-BELT SET (INCLUDES 6-BELTSFAN DRIVE) | 7W5229 | Caterpillar |
| 66649 | RING-DRIVE | 7W5241 | Caterpillar |
| 66650 | V-BELT SET (INCLUDES 4-BELTSFAN DRIVE) | 7W5258 | Caterpillar |
| 66651 | TUBE AS-SUPPLY | 7W5273 | Caterpillar |
| 66652 | SOLENOID AS (ELECTRIC SHUTOFF) | 7W5295 | Caterpillar |
| 66653 | RING-PISTON (OIL REGULATING) | 7W5299 | Caterpillar |
