Engines and Components› Engine Covers, Pans and Dress-Up Components
NATIONAL
OIL SEAL
SKU: N038 710547
Easy — 1–2 hours
Description
With a housing bore of 67.590 mm and an outside diameter of 67.790 mm, this seal provides a precise fit. The inside and shaft diameters are both 38.630 mm, and it has a thickness of 0.445 inches. It offers good low-temperature capability and low swell in hydrocarbon fluids, delivering reliable performance for repair needs.
Fitment
Fitment Guaranteed
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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 710547 |
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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