Caterpillar part numbers starting 2W1
| 2W1053 | Plug (oil lines, engine) | Caterpillar | ||
| 2W1055 | Elbow (oil lines, engine) | Caterpillar | ||
| 2W1061 | Housing assembly (accessory drive group shutoff) | Caterpillar | ||
| 2W1336 | Suppressor assembly (shutoff, electric) | Caterpillar | ||
| 2W138 | Screw (torque control lever) | Caterpillar | ||
| 2W1635 | Spring (filter, oil) | Caterpillar | ||
| 2W1968 | Cover (filter, oil) | Caterpillar | ||
| 2W1969 | Valve (filter, oil) | Caterpillar | ||
| 2W1985 | Tube (oil lines, engine) | Caterpillar |