Description
MQ3H –
New PAI 331138-173. Replacement oil-cooler sealing kit for specified Caterpillar 3406E/C15 configurations. Match the exact kit and cooler configuration.
- Manufacturer: PAI.
- Condition: New.
- Part number: 331138-173.
Verified included components
| Component part number | OEM reference | Description | Quantity |
|---|---|---|---|
| 121282 | 3330159 | O-ring | 2 |
| 321298 | 0617540 | O-ring | 2 |
| 121308 | 3678756 | O-ring | 2 |
| 321492 | 1121102 | O-ring | 2 |
| 321278 | 1090077 | O-ring | 2 |
| 321294 | 3P0650 | O-ring | 2 |
| 321299 | 5P7701 | O-ring | 2 |
| 321325 | 6V3683 | O-ring | 1 |
| 121297 | 3627695 | O-ring | 1 |
| 331372 | 1250434 | Water-connector gasket | 1 |
| 331707 | 7W7071 | Gasket | 2 |
| 331394 | 1264935 | Oil-cooler gasket | 2 |
Component number search: Individual gasket, seal and O-ring part numbers are component references used for searches. They are not equivalents to the complete kit. The verified contents table identifies the confirmed included pieces and quantities.
Confirm exact fitment using the original part number and engine build configuration.


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