Exterior Components› Body Panels and Components

NATIONAL

OIL SEAL

$59.19

SKU: N038 370014A

In Stock
In Stock
Ships by Jun 14
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The National 370014A is an oil bath seal designed for heavy-duty trailer applications. It features a unitized construction for structural integrity and ease of installation. The seal is made from abrasion-resistant nitrile with a spring-loaded main lip and SURE-LOCK® ribs to prevent leaks and contamination.

This seal has an outside diameter of 4.506 inches and an inside diameter of 3.125 inches, with a width of 0.605 inches. It is rated for temperatures ranging from -40°F to 225°F (-40°C to 107°C).

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

BrandNATIONAL
Part NumberN038 370014A

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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