| Item | Part No. | Part Name | Qty | Serial No. |
| 6684-91-1002 | AIR COMPRESSOR A. | | .- |
| 6684-91-1001 | AIR COMPRESSOR A. | | 23020-. |
| 6684-91-1011 | CRANKCASE ASS'Y | | 23020- |
| 1 | 6684-91-2111 | CRANKCASE | | 23020- |
| 6684-91-1101 | CYLINDER HEAD A. | | 23020- |
| 2 | 02720-20810 | PLUG | | 23020- |
| 3 | 6684-91-1111 | HEAD,CYLINDER | | 23020- |
| 4 | 6684-91-1220 | SPRING,VALVE | | 23020- |
| 5 | 6684-91-1260 | PLATE,WEAR | | 23020- |
| 6 | 6684-91-1210 | VALVE,OUTLET | | 23020- |
| 7 | 6684-91-1241 | O-RING (K8) | | 23020- |
| 8 | 6684-91-1230 | SEAT,VALVE | | 23020- |
| 9 | 6684-91-1250 | O-RING (K8) | | 23020- |
| 10 | 6684-91-1321 | SPRING,VALVE | | 23020- |
| 11 | 6684-91-1311 | VALVE,INTAKE | | 31520- |
| 11 | \0\6684-91-1310 | VALVE,INTAKE | | 23020-31519 |
| 12 | 6684-91-1330 | SEAT,VALVE | | 23020- |
| 13 | 6684-91-1420 | SPRING,UNLOADER VALVE | | 23020- |
| 14 | 6684-91-1611 | BODY,UNLOADER VALVE | | 23020- |
| 15 | 6684-91-1521 | SEAL (K8) | | 23020- |
| 16 | 6684-91-1411 | CAP | | 23020- |
| 17 | 6684-91-1621 | O-RING (K8) | | 23020- |
| 18 | 6684-91-1120 | COVER | | 23020- |
| 19 | 6684-91-1130 | GASKET | | 23020- |
| 20 | 02010-20522 | BOLT | | 23020- |
| 21 | 02310-11020 | WASHER,SPRING | | 23020- |
| 22 | 6684-91-1140 | WASHER | | 23020- |
| 23 | 6684-91-1151 | GASKET (K8) | | 23020- |
| 24 | 02010-20570 | BOLT | | 23020- |
| 25 | 02300-11120 | WASHER | | 23020- |
| 26 | 02310-11020 | WASHER,SPRING | | 23020- |
| | STANDARD | | |
| 6684-91-3201 | PISTON ASS'Y | | 23020- |
| 27 | 6684-91-3211 | PISTON | | 23020- |
| 28 | 6684-91-3250 | PIN,PISTON | | 23020- |
| 29 | 6684-91-3260 | RING,SNAP | | 23020- |
| | OVERSIZE 0.25MM | | |
| 27 | 6684-99-3201 | PISTON ASS'Y | | 23020- |
| 27 | 6684-99-3211 | PISTON | | 23020- |
| 28 | 6684-91-3250 | PIN,PISTON | | 23020- |
| 29 | 6684-91-3260 | RING,SNAP | | 23020- |
| | OVERSIZE 0.50MM | | |
| 27 | 6684-98-3201 | PISTON ASS'Y | | 23020- |
| 27 | 6684-98-3211 | PISTON | | 23020- |
| 28 | 6684-91-3250 | PIN,PISTON | | 23020- |
| 29 | 6684-91-3260 | RING,SNAP | | 23020- |
| | OVERSIZE 0.75MM | | |
| 27 | 6684-97-3201 | PISTON ASS'Y | | 23020- |
| 27 | 6684-97-3211 | PISTON | | 23020- |
| 28 | 6684-91-3250 | PIN,PISTON | | 23020- |
| 29 | 6684-91-3260 | RING,SNAP | | 23020- |
| | STANDARD | | |
| 6684-91-3021 | PISTON RING ASS'Y | | 23020- |
| 30 | 6684-91-3282 | RING,PISTON | | .- |
| 30 | 6684-91-3281 | RING,PISTON | | 23020-. |
| 31 | 6684-91-3221 | RING,PISTON | | 23020- |
| 32 | 6684-91-3231 | RING,OIL | | 23020- |
| | OVERSIZE 0.25MM | | |
| 30 | 6684-99-3021 | PISTON RING ASS'Y | | 23020- |
| 30 | 6684-99-3282 | RING,PISTON | | .- |
| 30 | 6684-99-3281 | RING,PISTON | | 23020-. |
| 31 | 6684-99-3221 | RING,PISTON | | 23020- |
| 32 | 6684-99-3231 | RING,OIL | | 23020- |
| | OVERSIZE 0.50MM | | |
| 30 | 6684-98-3021 | PISTON RING ASS'Y | | 23020- |
| 30 | 6684-98-3282 | RING,PISTON | | .- |
| 30 | 6684-98-3281 | RING,PISTON | | 23020-. |
| 31 | 6684-98-3221 | RING,PISTON | | 23020- |
| 32 | 6684-98-3231 | RING,OIL | | 23020- |
| | OVERSIZE 0.75MM | | |
| 30 | 6684-97-3021 | PISTON RING ASS'Y | | 23020- |
| 30 | 6684-97-3282 | RING,PISTON | | .- |
| 30 | 6684-97-3281 | RING,PISTON | | 23020-. |
| 31 | 6684-97-3221 | RING,PISTON | | 23020- |
| 32 | 6684-97-3231 | RING,OIL | | 23020- |
| 33 | 6684-91-3312 | ROD,CONNECTING | | 23020- |
| 34 | 6684-91-2610 | PLATE, NAME,(LIMITED SUPPLY) | | 23020- |
| 35 | 6684-91-2710 | PLATE, NAME,(LIMITED SUPPLY) | | 23020- |
| 36 | 04418-02550 | SCREW | | 23020- |
| 37 | 6684-91-2411 | METAL,THRUST, 2.24-2.29MM | | .- |
| 37 | \0\6684-91-2410 | METAL,THRUST, 2.24-2.29MM | | 23020-. |
| 37 | 6684-91-2421 | METAL,THRUST, 2.29-2.34MM | | .- |
| 37 | \0\6684-91-2420 | METAL,THRUST, 2.29-2.34MM | | 23020-. |
| 37 | 6684-91-2431 | METAL,THRUST, 2.54-2.59MM | | .- |
| 37 | \0\6684-91-2430 | METAL,THRUST, 2.54-2.59MM | | 23020-. |
| 37 | 6684-91-2441 | METAL,THRUST, 2.34-2.39MM | | .- |
| 37 | \0\6684-91-2440 | WASHER,THRUST, 2.34-2.39MM | | 23020-. |
| 38 | 6684-91-2511 | METAL,THRUST, 2.27-2.30MM | | .- |
| 38 | \0\6684-91-2510 | METAL,THRUST, 2.27-2.30MM | | 23020-. |
| 38 | 6684-91-2521 | METAL,THRUST, 2.30-2.32MM | | .- |
| 38 | \0\6684-91-2520 | METAL, 0.25MM,THRUST, 2.30-2.32MM | | 23020-. |
| 38 | 6684-91-2531 | METAL,THRUST, 2.32-2.35MM | | .- |
| 38 | \0\6684-91-2530 | METAL, 0.10MM,THRUST, 2.32-2.35MM | | 23020-. |
| 6684-91-3103 | DRIVE ASS'Y,AIR COMPRESSOR | | .- |
| 6684-91-3102 | DRIVE ASS'Y,AIR COMPRESSOR | | 23020-. |
| 39 | 6684-91-3112 | CRANKSHAFT | | .- |
| 39 | 6684-91-3111 | CRANKSHAFT | | 23020-. |
| 40 | 6610-71-7220 | GEAR,DRIVE | | 23020- |
| 41 | 02410-01025 | KEY | | 23020- |
| 42 | 6610-71-7251 | SEAL,OIL | | 23020- |
| 6684-91-2201 | SUPPORT ASS'Y,AIR COMPRESSOR | | 23020- |
| 43 | \6\ | SUPPORT,AIR COMPRESSOR | | 23020- |
| 44 | 6684-91-2311 | BUSHING | | 23020- |
| 45 | 02720-20204 | PLUG | | 23020- |
| 46 | 6684-91-2221 | GASKET (K8) | | 23020- |
| 47 | 02010-20638 | BOLT | | 23020- |
| 48 | 02010-20632 | BOLT | | 23020- |
| 49 | 02310-11224 | WASHER,SPRING | | 23020- |
| 50 | 6684-91-1721 | GASKET (K8) | | 23020- |
| 51 | 6684-91-1712 | CONNECTOR,AIR INTAKE | | 31520- |
| 51 | 6684-91-1711 | CONNECTOR,AIR INTAKE | | 23020-31519 |
| 52 | 02010-20532 | BOLT | | 23020- |
| 53 | 02010-20564 | BOLT | | 23020- |
| 54 | 02310-11020 | WASHER,SPRING | | 23020- |
| 55 | 6686-71-7810 | GASKET (K8) | | 31520- |
| 55 | 6610-71-7810 | GASKET (K8) | | 23020-31519 |
| 56 | 02030-20732 | BOLT | | 23020- |
| 57 | 02310-11428 | WASHER,SPRING | | 23020- |
| (6693-72-7051) | COLLAR ASS'Y,ACCESSORY DRIVE | | 23020- |
| \6\ | COLLAR,ACCESSORY DRIVE | | 23020- |
| 59 | (6610-71-7520) | SLEEVE | | 23020- |
| 60 | 02410-01025 | KEY | | 23020- |
| 61 | (02300-13040) | WASHER | | 23020- |
| 62 | (6610-71-7280) | NUT | | 23020- |
| 63 | 6678-91-4130 | TUBE,AIR INTAKE | | 23020- |
| 64 | 6684-11-4330 | HOSE,AIR INTAKE | | 23020- |
| 65 | 07280-03626 | CLAMP | | 23020- |
| 66 | 6684-91-4111 | ELBOW | | 31520- |
| 66 | 6684-91-4110 | ELBOW | | 23020-31519 |
| 67 | 6686-93-4171 | TUBE,WATER OUTLET | | 31520- |
| 67 | 6686-93-4170 | TUBE,WATER OUTLET | | 23020-31519 |
| 68 | 07206-11014 | BOLT | | 31520- |
| 68 | 07206-01014 | BOLT | | 23020-31519 |
| 69 | 07005-01412 | GASKET (K8) | | 23020- |
| 70 | 6686-93-4211 | TUBE,WATER INLET | | 31520- |
| 70 | 6686-93-4210 | TUBE,WATER INLET | | 23020-31519 |
| 71 | 6679-91-4193 | ELBOW | | 31520- |
| 71 | 6679-91-4192 | ELBOW | | 23020-31519 |
