| IR 2161XP PartsList |
| Item | PartNumber | PartDescription | IR Equivalent |
| | Motor Housing Assembly | 2161-A40 |
| 1 | | Motor Housing | 2161-B40 |
| 2 | 8208 | Throttle Valve Seat | DG230-303 |
| 3 | 8585 | Trigger Assembly | 2161-A93 |
| 4 | 8104 | Throttle Valve | 2921-302 |
| 5 | 8803 | Throttle Valve Spring | 2161-51 |
| 6 | 8628 | Air Strainer Screen | 834-61 |
| 7 | 8179 | Inlet Bushing Assembly | 2161-A465A |
| 8 | 8801 | Inlet Bushing O-Ring | AF120-290 |
| 9 | 8804 | Muffler Element | 202-311 |
| 10 | 8802 | Retaining Ring | 2161-118 |
| 11 | 8805 | Exhaust Deflector | 2161-23 |
| 12 | 8586 | Backcap Bolt (4) | 2161-638 |
| 13 | 8588 | Backcap Gasket | 2161-739 |
| | Backcap Assembly | 2161-A102 |
| 14 | 8181 | Backcap | 2161-102 |
| 15 | 8182 | Grease Fitting | R1-188 |
| 16 | 8183 | Reverse Lever | 2161-658 |
| 17 | 8184 | Reverse Lever Snap Ring | 2161-28 |
| 18 | 8185 | Reverse Lever Spring | 2161-278 |
| 19 | 8186 | Motor Clamp Washer | 2161-207 |
| 20 | 8038 | Rear Rotor Bearing | 4E-510 |
| 21 | 8825 | Rear End Plate | 2161-12 |
| 21A | 8171 | Locating Pin | 2920-74 |
| 22 | 8429 | Rotor | 2910B-53 |
| 23 | 2157 | Vane Packet (set of 6 Vanes) | 2910-42-6 |
| 24 | 9469 | Cylinder Dowel (2) | JC3350-538 |
| | | |
| 25 | 9468 | Cylinder | 2161-3 |
| 26 | 8824 | Front End Plate | 2161-11 |
| 27 | 8037 | Front Rotor Bearing | 834-24 |
| 28 | | Reverse Valve O-Ring | 023446 |
| 29 | | Reverse Valve | 2161-329 |
| 30 | 9357 | Hammer Frame Washer | 2161-706 |
| 31 | 8415 | Hammer Frame | 2910-703A |
| 32 | 9661/8694 | Hammer | 2161-724 |
| 33 | 8416 | Hammer Pin (2) | 2910-704 |
| 34 | 8589 | Hammer Case Gasket | 2161-36 |
| 35 | | Hammer Case Assembly | |
| 8190 | for 2161P and 2171P | 2161-A727 |
| | for 2161P-EU and 2171P-EU | 2161-EU-A727 |
| 36 | 9433 | Hammer Case Bushing | 2161-641 |
| 37 | | Warning Label | |
| | for 2161P and 2171P | WARNING-2-99 |
| | for 2161P-EU and 2171P-EU | EU-99 |
| 38 | | Anvil | |
| 8177/8192/8223 | 3/4” square drive | 260-726 |
| 8193 | 1” square drive | 1711B-826 |
| 39 | | Socket Retainer | |
| 8093/8284 | for 3/4” square drive (2161P) | RR10034S |
| 8661/8627 | for 1” square drive (2171P) | RR10015S |
| 40 | | Hanger Kit | 2161-366 |
| 41 | | Piped-Away Exhaust | 2161-123 |
