Drivetrain Differentials and Rear-End Components

USA Standard (Yukon)

USA Standard Master Overhaul kit for GM Chevy 55P and 55T differential

$240.89

SKU: U018 ZK GM55CHEVY

In Stock
In Stock
Ships by Jun 12
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The USA Standard ZK GM55CHEVY is a master overhaul kit for GM Chevy 55P and 55T differentials. This kit uses Koyo bearings and races, and includes carrier bearings and races, pinion bearings and races, a pinion seal, a complete shim kit, ring gear bolts, a pinion nut, and a crush sleeve if applicable.

It also comes with oil baffles and slingers if applicable, threading locking compound, marking compound with brush, and a gasket.

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

BrandUSA Standard (Yukon)
Part NumberU018 ZK GM55CHEVY

Videos

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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