Engines and Components› Crankshafts and Components

NATIONAL

OIL SEAL

$40.23

SKU: N038 320691

In Stock
In Stock
Ships by Jun 15
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The National Seals 320691 is an engine crankshaft oil seal designed for reliable performance. It features a spring-loaded, multi-lip design and is constructed from Fluoro-Elastomer material. This premium grade seal is suitable for a wide range of fluids and offers excellent high-temperature capabilities, operating effectively in temperatures from -40 to 400 degrees Fahrenheit.

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

BrandNATIONAL
Part NumberN038 320691

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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