Drivetrain› Differentials and Rear-End Components

Yukon Gear & Axle

8.5" AXLE ASSY; EARLY 1988 GM K1500

$2,422.05

SKU: Y001 RAA435-1513BE

In Stock
In Stock
Ships by Jun 10
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Yukon Gear & Axle RAA435-1513BE is a remanufactured axle assembly for GM 8.5" rear differentials, specifically for 1988 Chevrolet K1500 and GMC Sierra K1500 4WD trucks. It features a 3.73 gear ratio, 28 spline axles, and a Posi differential. This assembly undergoes rigorous inspection and rebuilding processes, including replacement of all bearings and seals, ensuring high quality and durability. It does not include hubs, brakes, backing plates, or axle shafts.

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

BrandYukon Gear & Axle
Part NumberY001 RAA435-1513BE

Videos

LSD diff locker Install 8.5"/8.6" GM Axle, Yukon Gear YDGGM8.5-3-30-1

LSD diff locker Install 8.5"/8.6" GM Axle, Yukon Gear YDGGM8.5-3-30-1
No BS GM 8.5/8.6 10 Bolt Ring and pinion gear install axle setup

No BS GM 8.5/8.6 10 Bolt Ring and pinion gear install axle setup
How To: Rebuild a GM 8.5" Rear Axle 10 Bolt Chevy

How To: Rebuild a GM 8.5" Rear Axle 10 Bolt Chevy

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.

View Full Return Policy