Exterior Components› Body Panels and Components

Yukon Gear & Axle

Yukon Gear Mighty Seal 12T Axle Seal For 63-64 Coarse Spline

$88.45

SKU: Y001 YMS8477S

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Yukon Gear & Axle YMS8477S is a Mighty Seal axle seal designed for 1963-1964 GM 12-bolt trucks with coarse spline axles. This rear axle seal ensures a tight fit and reliable sealing.

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

BrandYukon Gear & Axle
Part NumberY001 YMS8477S

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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