Drivetrain› Differentials and Rear-End Components

Yukon Gear & Axle

USA Standard 4340CM Axle / 79-87 GM Truck & Blazer / RH Inner / 28Spl / Uses 5-760X U/Joint

$377.68

SKU: Y001 ZA W39252

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

Easy — 1–2 hours

Description

The Yukon Gear & Axle ZA W39252 is a right-hand inner axle shaft designed for GM 8.5" front differentials. It features 28 splines and a length of 19.15 inches. Constructed from heavy-duty 4340 chromoly, this axle shaft is built for durability. It is designed to accept a 5-760X U-joint.

Fitment

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Specifications

BrandYukon Gear & Axle
Part NumberY001 ZA W39252

Videos

Yukon Gear vs USA Standard Gear Axles

Yukon Gear vs USA Standard Gear Axles
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GM 8.5 10 bolt gear setup and final assembly
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Yukon Gear & Axle Chromoly Axle Shafts for Jeep Wrangler & Gladiator
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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
Full axle rebuild for a GM 10 bolt to handle over 500 horsepower

Full axle rebuild for a GM 10 bolt to handle over 500 horsepower
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
How-to Install a Spartan Locker in a GM 8.5 10-Bolt (No Gear Reset Needed)

How-to Install a Spartan Locker in a GM 8.5 10-Bolt (No Gear Reset Needed)
Yukon Gear Heavy Duty Diff Cover - Jeep Dana 44 Install

Yukon Gear Heavy Duty Diff Cover - Jeep Dana 44 Install

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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