| IR 1770G Air Ratchet Parts List | |||
| Item | Part Number | Part Description | IR Equivalent |
| - | Housing Assembly | 1770G-A40 | |
| 1 | Housing | - | |
| 2 | Valve Bushing | - | |
| 3 | Grip | 170G-747 | |
| 4 | Label | 1770G-301A | |
| 5 | Inlet Bushing Assembly | 170-565 | |
| - | Throttle Kit | 170-TK | |
| 6 | Throttle Valve | - | |
| 7 | Throttle Valve O-Ring | - | |
| 8 | Throttle Valve Spring | - | |
| 9 | Valve Plug | - | |
| 10 | Valve Plug O-Ring | - | |
| - | Trigger Lever Kit | 170-LK | |
| 11 | Trigger Lever | - | |
| 12 | Trigger Lever Pin | - | |
| - | Motor Assembly | 170-MK | |
| 13 | End Cap | - | |
| 14 | Rear Rotor Bearing | - | |
| 15 | Rear End Plate | - | |
| 16 | Rotor | - | |
| 17 | Rotor Vanes (4 required) | - | |
| 18 | Cylinder | - | |
| 19 | Motor Alignment Pin | - | |
| 20 | Front End Plate | - | |
| 21 | Front Rotor Bearing | - | |
| 22 | Spacer | - | |
| - | Gearing Kit | 170-GK | |
| 23 | Spindle Assembly | - | |
| 24 | Planet Gear (3) | - | |
| 25 | Internal Gear | - | |
| 26 | Coupling Nut | 170-27 | |
| - | Ratchet Housing Assembly | 170-A322 | |
| 27 | Ratchet Housing | - | |
| 28 | Crankshaft Bushing | - | |
| 29 | Crankshaft Needle Bearing | - | |
| 30 | Crankshaft | 170-35 | |
| 31 | Drive Bushing | 170-36 | |
| 32 | Yoke | 170-37 | |
| - | Ratchet Head Kit | 1770-TRK1 | |
| 33 | Wear Washer | - | |
| 34 | Reverse Button | - | |
| 35 | Anvil Assembly | 1770-A44 | |
| 36 | Reverse Button Stop Pin | - | |
| 37 | Lock Spring | - | |
| 38 | Lock Pin | - | |
| 39 | Pawl | - | |
| 40 | Pawl Retaining Pin | - | |
| 41 | Friction Spring (2) | - | |
| 42 | Friction Ball (2) | - | |
| 43 | Thrust Washer | - | |
| 44 | Retaining Ring | - | |
| * | Tune-up Kit | - | |
