Beginner — under 30 min
Description
As a genuine Cummins part, it ensures compatibility and reliability for engine and generator repairs. The washer is typically found in parts diagrams for components like rocker arms and oil pumps, indicating its role in the internal workings of the engine or generator system. It is also specified for use with M6 screws and bolts.
Fitment
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Specifications
| Brand | CUMMINS |
| Part Number | C07J 740-1004 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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