| Item | Part No. | Part Name | Qty | Serial No. |
| 1239 500 H91 | ASSEMBLY, AIR COMPRESSOR | | |
| 1237 918 H91 | CRANKSHAFT, AIR COMPRESSOR | | |
| 1 | (NSS) | CRANKSHAFT, COMPRESSOR | | |
| 2 | 1295 840 H1 | PIPE, PLUG (1/16 NPT) | | |
| 3 | 1238 099 H1 | WASHER, PLAIN (3/8 INCH) | | |
| 4 | 1307 239 H1 | GASKET, SUPPORT | | |
| 5 | 1238 847 H1 | BEARING, THRUST | | |
| 6 | 1238 974 H1 | HUB, SPLINE COUPLING | | |
| 7 | 1239 100 H1 | SUPPORT, AIR COMPRESSOR | | |
| 8 | 1239 253 H1 | BOLT, CAPTIVE WASHER CAP (3/8 - 16x1 3/16 INCH) | | |
| 9 | 1239 267 H1 | BOLT, CAPTIVE WASHER CAP (3/8 - 16x1 1/2 INCH) | | |
| 1295 137 H91 | ASSEMBLY, CRANKCASE | | |
| 10 | 1238 346 H1 | BUSHING | | |
| 11 | (NSS) | CRANKCASE, COMPRESSOR | | |
| 12 | 1238 366 H1 | GASKET, AIR COMPRESSOR | | |
| 13 | 1295 841 H1 | BOLT (5/16 - 18x2 3/4 INCH) | | |
| 14 | 1238 101 H1 | WASHER, LOCK (5/16 INCH) | | |
| 15 | 1238 112 H1 | WASHER, PLAIN (5/16 INCH) | | |
| 16 | 1238 176 H1 | WASHER, PLAIN (1/4 INCH) | | |
| 17 | 1238 241 H1 | SEAL, RECTANGULAR RING | | |
| 18 | 1238 242 H1 | VALVE, EXHAUST | | |
| 19 | 1238 246 H1 | SPRING, COMPRESSION | | |
| 20 | 1238 248 H1 | O-RING | | |
| 21 | 1238 318 H1 | VALVE, INTAKE | | |
| 22 | 1238 319 H1 | SEAT, COMPRESSOR INTAKE VALVE | | |
| 23 | 1238 364 H1 | COVER, AIR COMPRESSOR | | |
| 24 | 1238 483 H1 | PLATE, WEAR | | |
| 25 | 1238 513 H1 | SPRING, VALVE | | |
| 26 | 1238 516 H1 | CAP, UNLOADER VALVE | | |
| 27 | 1239 460 H1 | BOLT (5/16 - 18x3/4 INCH) | | |
| 28 | 1239 491 H1 | SPRING, COMPRESSION | | |
| 29 | 1294 067 H1 | SEAT, COMPRESSOR EXHAUST VALVE | | |
| 30 | 1239 787 H1 | O-RING | | |
| 31 | 1296 472 H1 | HEAD, COMPRESSOR | | |
| 32 | 1294 069 H1 | BODY, UNLOADING VALVE | | |
| 33 | 1239 832 H1 | GASKET, AIR COMPRESSOR | | |
| 34 | 1238 217 H1 | PIN, PISTON | | |
| 35 | 1307 240 H1 | RING, RETAINING | | |
| 36 | 1239 988 H1 | RING, COMPRESSION PISTON | | |
| 37 | 1238 504 H1 | RING, COMPRESSION PISTON | | |
| 38 | 1238 466 H1 | RING, OIL PISTON | | |
| 39 | 1239 388 H91 | ROD, COMPRESSOR CONNECTING | | |
| 40 | NOT USED | | | |
| 41 | 1239 814 H1 | PISTON, COMPRESSOR | | |
| 42 | 1307 267 H1 | GASKET, AIR COMPRESSOR | | |
| 43 | 1238 079 H1 | NUT, HEAVY HEX (7/16 - 14 UNC) | | |
| 44 | 1240 031 H1 | WASHER, PLAIN (3/8 INCH) | | |
| 45 | 1238 548 H1 | SLEEVE, SPLINE COUPLING | | |
| 46 | 1294 074 H1 | BOLT (7/16 - 14x1 7/8 INCH) | | |
| 47 | 1239 389 H1 | BUSHING | | |
| | | | |
| | F1 - 1294 455 H91 KIT, COMPRESSOR VALVE REPAIR | | |
| 1238 | 247 H1 .O-RING (N/I) | | |
| | | | |
| | F2 - 1294 454 H91 KIT, COMPRESSOR HEAD REPAIR (WITHOUT UNLOADER BODY) | | |
| | 1294 455 H91 .KIT, COMPRESSOR VALVE REPAIR | | |
| | | | |
| | F3 - 1294 453 H91 KIT, COMPRESSOR HEAD REPAIR (WITH UNLOADER BODY) | | |
| | 1294 455 H91 .KIT, COMPRESSOR VALVE REPAIR | | |
