| IR 291 Series Parts List | |||
| Item | PartNumber | PartDescription | IR PartNumber |
| 1 | Motor Housing Assembly | 291-A40 | |
| 1A | 8472 | Plunger Bushing | 291-303 |
| 1B | Reverse Valve Bushing | 291-330 | |
| 2 | Trigger | 291-93 | |
| 3 | Trigger Pin | 291-94 | |
| 4 | Trigger Stop Pin | 291-95 | |
| 5 | 9587 | Throttle Valve (use 8040 with tapered springs) | 291-50 |
| 6 | Throttle Valve Plunger | 291-302 | |
| 8 | 8041 | Throttle Valve Spring (replacements are not tapered) | 291-51 |
| 9 | 8645 | Inlet Bushing Assembly | 291-A565 |
| 10 | 8401 | Inlet Bushing O-Ring | 291-566 |
| 11 | Oil Chamber Plug Assembly | 291-A427 | |
| 12 | Chamber Plug Seal | 291-428 | |
| 13 | Reverse Valve Assembly | 291-A329 | |
| 14 | 8402 | Reverse Valve O-Ring | 291-338 |
| 15 | Reverse Valve Stop Pin | 291-332 | |
| 16 | Reverse Valve Detent Spring | 291-334 | |
| 17 | 8042 | Reverse Valve Detent Ball | 291-333 |
| 19 | Reverse Valve Retaining Pin | 291-336 | |
| 20 | Backhead | 291-102 | |
| 21 | 8035D | Backhead Gasket | 291-793 |
| 22 | Backhead Cap Screws (4) | 291-103 | |
| 23 | 8483 | Lock Washer (4) | 291-104 |
| 24 | 8044 | Rear Rotor Bearing | 291-24 |
| 25 | 8373 | Rear End Plate Assembly | 291-A12 |
| 26 | End Plate Alignment Pin | 291-10 | |
| 27 | 8430 | Cylinder Assembly | 291-A3 |
| 28 | 8485 | Cylinder Dowel (2) | 291-98 |
| 29 | Rotor | 291-53 | |
| 30 | 2144 | Rotor Vane (5 required) | 291-42-5 |
| 31 | 8372 | Front End Plate | 291-11 |
| 32 | 8045 | Front Rotor Bearing | 291-25 |
| 33 | Hammer Frame | 291-703 | |
| 34 | Hammer Cam | 291-721 | |
| 35 | Hammer | 291-724 | |
| 36 | Hammer Pin | 291-704 | |
| 37 | Hammer Frame Washer | 291-706 | |
| 38 | Anvil Assembly | 291-A726 | |
| 38 | Anvil Assembly | 291-A726-6 | |
| 38 | Anvil Assembly | 281-A526 | |
| 39 | 8047 | Socket Retaining Ring (for 1" square drive) | 291-425 |
| 39 | Socket Retaining Ring (for spline drive) | 281S-425 | |
| 40 | 8403 | Socket Retaining Ring (for 1" square drive) | 291-426 |
| 40 | Socket Retaining Ring (for spline drive) | 281S-426 | |
| 41 | Hammer Case Assembly | 291-A727 | |
| 41 | Hammer Case Assembly | 291-EU-A727 | |
| 42 | 8452 | Hammer Case Bushing | 291-641 |
| 43 | 8046 | Hammer Case Seal | 291-642 |
| 43A | Warning Label for (291, 291-6 & 291-S) | 222-99 | |
| 43A | Warning Label for (291-EU & 291-6-EU) | EU-99 | |
| 44 | 8488 | Hammer Case Cap Screw (4) | 291-105 |
| 45 | 8483 | Lock Washer (4) | 291-104 |
| 47 | 8035B | Hammer Case Gasket | 291-36 |
| 48 | Dead Handle | 291-48 | |
| 49 | 8489 | Dead Handle Cap Screws (4) | 291-49 |
| 50 | 8490 | Lock Washer (4) | 291-504 |
| 51 | Nameplate (for 291) | 291-304 | |
| 51 | Nameplate (for 291-EU) | 291-EU-301 | |
| 51 | Nameplate (for 291-6) | 291-301-6 | |
| 51 | Nameplate (for 291-6-EU) | 291-6-EU-301 | |
| 51 | Nameplate (for 291-S) | 291-S-301 | |
| 52 | Nameplate Drive Screw (2) | 222-302 | |
| * | 9955B | Tune-up Kit (includes illistrated items 5, 8, 10, 12, 14, 16, 17, 21, 24, 30, 32,39, 40, 43 & 47) | 291-TK1 |
