| IR281 Parts List | |||
| Item | PartNumber | PartDescription | IREquivalent |
| 1 | Handle Assembly | 281-A92 | |
| 1A | Handle Assembly | 291-303 | |
| 1B | Handle Assembly | 291-330 | |
| 2 | Trigger | 281-93 | |
| 3 | 8475 | Trigger Pin | 281-437 |
| 4 | 8476 | Trigger Stop Pin | 281-439 |
| 5 | 8477 | Trigger Slot Cover | 281-438 |
| 6 | 8040 | Throttle Valve | 291-50 |
| 7 | 281-302 | ||
| 9 | 8041 | Throttle Valve Spring | 291-51 |
| 10 | 8645 | Bushing Assembly | 291-A565 |
| 11 | 8401 | O-Ring | 291-566 |
| 12 | 291-A329 | ||
| 13 | 8402 | O-Ring | 291-338 |
| 14 | 8480 | Reverse Valve Stop Pin | 291-332 |
| 15 | 8042 | Steel Ball | 291-333 |
| 16 | 8043 | Reverse Valve Spring | 291-334 |
| 17 | 8481 | Reverse Valve Retaining Pin | 281-120 |
| 20 | 8035C | Handle Gasket | 281-283 |
| 21 | 8461 | Back Handle Cap Screw | 281-638 (4) |
| 22 | 8483 | Lock Washer | 291-104 (4) |
| 23 | 281-40 | ||
| 24 | 8044 | Bearing | 291-24 |
| 25 | 8373 | Rear End Plate | 291-A12 |
| 26 | 8484 | End Plate Alignment Pin | 291-10 |
| 27 | 291-53 | ||
| 28 | 2144 | Rotor Vane (5 required) | 291-42-5 (set / 5) |
| 29 | 8430 | Cylinder | 291-A3 |
| 30 | 8485 | Cylinder Dowel Pins | 291-98 (2) |
| 31 | 8372 | Front End Plate | 291-11 |
| 32 | 8045 | Bearing | 291-25 |
| 33 | 291-703 | ||
| 34 | 291-721 | ||
| 35 | 291-724 | ||
| 36 | 291-704 | ||
| 37 | 291-706 | ||
| 38 | 291-A726 | ||
| 38 | 281-A526 | ||
| 38 | 281-A726-6 | ||
| 38 | 281-A514-6 | ||
| 39 | 291-425 | ||
| 39 | 281S-425 | ||
| 40 | 291-426 | ||
| 40 | 281S-426 | ||
| 41 | 291-A727 | ||
| 41 | 291-EU-A727 | ||
| 42 | 8452 | Hammer Case Bushing | 291-641 |
| 43 | 8046 | Hammer Case Seal | 291-642 |
| 44 | Warning Label | 222-99 | |
| 44 | Warning Label | EU-99 | |
| 45 | 8035B | Hammer Case Gasket | 291-36 |
| 46 | 8488 | Hammer Case Screw | 291-105 (4) |
| 47 | 8483 | Lock Washer | 291-104 (4) |
| 48 | Dead Handle | 291-48 | |
| 48 | 8441 | Dead Handle (Black) | 281-48-6 |
| 49 | 8489 | Dead Handle Screw | 291-49 |
| 50 | 8490 | Lock Washer | 291-504 |
| 51 | 285-P32 | ||
| 52 | Label | 281-301 | |
| 52 | Label | 281-EU-301 | |
| 52 | Label | 281S-301 | |
| 52 | Label | 281-301-6 | |
| 52 | Label | 281-6-EU-301 | |
| 52 | Label | 281S-301-6 | |
| 53 | Screw | 222-302 | |
| * | 9955A | Tune-up Kit (includes illistrated parts 6, 9,11, 13, 15, 16, 20, 24, 28, 32, 39, 40, 43 and 45) | 281-TK1 |
