| Item | Part No. | Part Name | Qty | Serial No. |
| 6684-91-1003 | AIR COMPRESSOR A. | | 177873- |
| 6684-91-1011 | CRANKCASE ASS'Y | | 177873- |
| 1 | 6684-91-2111 | CRANKCASE | | 177873- |
| 6684-91-1101 | CYLINDER HEAD A. | | 177873- |
| 2 | 6684-91-1111 | HEAD,CYLINDER | | 177873- |
| 3 | 02720-20810 | PLUG | | 177873- |
| 4 | 6684-91-1220 | SPRING,OUTLET VALVE | | 177873- |
| 5 | 6684-91-1260 | PLATE,WATER | | 177873- |
| 6 | 6684-91-1210 | VALVE,OUTLET | | 177873- |
| 7 | 6684-91-1230 | SEAT | | 177873- |
| 8 | 6684-91-1241 | O-RING (K5) | | 177873- |
| 9 | 6684-91-1321 | SPRING,INLET VALVE | | 177873- |
| 10 | 6684-91-1311 | VALVE,INLET | | 177873- |
| 11 | 6684-91-1330 | SEAT | | 177873- |
| 12 | 6684-91-1250 | O-RING (K5) | | 177873- |
| 13 | 6684-91-1421 | SPRING,UNLOADER VALVE | | 177873- |
| 14 | 6684-91-1411 | CAP | | 177873- |
| 15 | 6684-91-1611 | BODY,UNLOADER VALVE | | 177873- |
| 16 | 6684-91-1521 | SEAL (K5) | | 177873- |
| 17 | 6684-91-1621 | O-RING (K5) | | 177873- |
| 18 | 6684-91-1120 | COVER,CYLINDER HEAD | | 177873- |
| 19 | 6684-91-1130 | GASKET (K5) | | 177873- |
| 20 | 6684-91-1151 | GASKET (K5) | | 177873- |
| 21 | 02010-20522 | BOLT | | 177873- |
| 22 | 02010-20570 | BOLT | | 177873- |
| 23 | 02310-11020 | WASHER,SPRING | | 177873- |
| 24 | 6684-91-1140 | WASHER | | 177873- |
| 25 | 02300-11120 | WASHER | | 177873- |
| | STANDARD | | |
| 6684-91-3201 | PISTON ASS'Y | | 177873- |
| 26 | 6684-91-3211 | PISTON | | 177873- |
| 27 | 6684-91-3250 | PIN,PISTON | | 177873- |
| 28 | 6684-91-3260 | RING,SNAP | | 177873- |
| | OVERSIZE 0.25MM | | |
| 6684-99-3201 | PISTON ASS'Y | | 177873- |
| 26 | 6684-99-3211 | PISTON | | 177873- |
| 27 | 6684-91-3250 | PIN,PISTON | | 177873- |
| 28 | 6684-91-3260 | RING,SNAP | | 177873- |
| | OVERSIZE 0.50MM | | |
| 6684-98-3201 | PISTON ASS'Y | | 177873- |
| 26 | 6684-98-3211 | PISTON | | 177873- |
| 27 | 6684-91-3250 | PIN,PISTON | | 177873- |
| 28 | 6684-91-3260 | RING,SNAP | | 177873- |
| | OVERSIZE 0.75MM | | |
| 6684-97-3201 | PISTON ASS'Y | | 177873- |
| 26 | 6684-97-3211 | PISTON | | 177873- |
| 27 | 6684-91-3250 | PIN,PISTON | | 177873- |
| 28 | 6684-91-3260 | RING,SNAP | | 177873- |
| | STANDARD | | |
| 6684-91-3021 | PISTON RING ASS'Y | | 177873- |
| 29 | \6\ | RING,PISTON | | 177873- |
| 30 | \6\ | RING,PISTON | | 177873- |
| 31 | \6\ | RING,OIL | | 177873- |
| | OVERSIZE 0.25MM | | |
| 6684-99-3021 | PISTON RING ASS'Y | | 177873- |
| 29 | \6\ | RING,PISTON | | 177873- |
| 30 | \6\ | RING,PISTON | | 177873- |
| 31 | \6\ | RING,OIL | | 177873- |
| | OVERSIZE 0.50MM | | |
| 6684-98-3021 | PISTON RING ASS'Y | | 177873- |
| 29 | \6\ | RING,PISTON | | 177873- |
| 30 | \6\ | RING,PISTON | | 177873- |
| 31 | \6\ | RING,OIL | | 177873- |
| | OVERSIZE 0.75MM | | |
| 6684-97-3021 | PISTON RING ASS'Y | | 177873- |
| 29 | \6\ | RING,PISTON | | 177873- |
| 30 | \6\ | RING,PISTON | | 177873- |
| 31 | \6\ | RING,OIL | | 177873- |
| 32 | 6684-91-3312 | ROD,CONNECTING | | 177873- |
| 6684-91-2201 | SUPPORT ASS'Y,AIR COMPRESSOR | | 177873- |
| 33 | 6684-91-2211 | SUPPORT,AIR COMPRESSOR | | 177873- |
| 34 | 6684-91-2311 | BUSHING | | 177873- |
| 35 | 6684-91-2411 | METAL,THRUST¤ 2.24-2.29MM | | 177873- |
| 6684-91-2421 | METAL,THRUST¤ 2.29-2.34MM | | 177873- |
| 6684-91-2431 | METAL,THRUST¤ 2.54-2.59MM | | 177873- |
| 6684-91-2441 | METAL,THRUST¤ 2.34-2.39MM | | 177873- |
| 36 | 6684-91-2511 | METAL,THRUST¤ 2.27-2.30MM | | 177873- |
| 6684-91-2521 | METAL,THRUST¤ 2.30-2.32MM | | 177873- |
| 6684-91-2531 | METAL,THRUST¤ 2.32-2.35MM | | 177873- |
| 6684-91-3103 | DRIVE ASS'Y,AIR COMPRESSOR | | 177873- |
| 37 | 6684-91-3112 | CRANKSHAFT | | 177873- |
| 38 | 6610-71-7220 | GEAR,ACCESSORY DRIVE | | 177873- |
| 39 | 02410-01025 | KEY | | 177873- |
| 40 | 6610-71-7251 | SEAL,OIL | | 177873- |
| 41 | 02720-20104 | PLUG | | 177873- |
| 42 | 6684-91-2221 | GASKET (K5) | | 177873- |
| 43 | 02010-20638 | BOLT | | 177873- |
| 44 | 02010-20632 | BOLT | | 177873- |
| 45 | 02310-11224 | WASHER,SPRING | | 177873- |
| 46 | 6684-91-2610 | PLATE¤ NAME,(LIMITED SUPPLY) | | 177873- |
| 47 | 6684-91-2710 | PLATE¤ NAME,(LIMITED SUPPLY) | | 177873- |
| 48 | 04418-02550 | SCREW | | 177873- |
| 49 | 6684-91-1721 | GASKET (K5) | | 177873- |
