Engines and Components› Engine Covers, Pans and Dress-Up Components

NATIONAL

OIL SEALS

$45.38

SKU: N038 340-013

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

Beginner — under 30 min

Description

The National 340-013 is a rear hub cap designed to prevent contamination of hub lubricants and protect bearings and seals. It features a cast aluminum construction with a Zytel inspection window that resists clouding and cracking. This hub cap includes a gasket and plug, with steel Torx screws that eliminate back-out.

It has an inside diameter of 5-1/2 inches and a height of 2.688 inches, specifically for oil applications.

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 340-013

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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