Easy — 1–2 hours
Description
This seal offers good low-temperature capability and low swell in hydrocarbon fluids, operating effectively within a temperature range of -40 deg. F to 225 deg. F (-40 deg. C to 107 deg. C). Its specifications include a housing bore of 72.000 mm, an outside diameter of 2.843 inches, and a shaft diameter of 1.602 inches.
Fitment
Fitment Guaranteed
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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 | NATIONAL |
| Part Number | N038 710710 |
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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