Beginner — under 30 min
Description
This lock washer plays a crucial role in maintaining the functionality and longevity of various machines. As a component engineered by ONAN, it is built to withstand tough conditions and ensure reliable performance. It is a vital part for those needing to maintain their lawn mower or other outdoor equipment.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | CUMMINS |
| Part Number | C07J 850-0030 |
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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