Drivetrain Differentials and Rear-End Components

Yukon Gear & Axle

Yukon Gear 4340 Chrome Moly Replacement Rear Axle For 2011+ GM 11.5in 30 Spline

$365.89

SKU: Y001 YA GM11.5-30-40.25

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INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: YA GM11.5-30-40.25

Yukon Gear & Axle offers an extensive line of general replacement and high-performance axles for passenger car, truck and SUV applications. High quality alloys and the latest in heat-treating technologies provide a stronger-than-stock axle for off-road, on the street, or at the track.

Yukon rear axle for 2011 and newer GM 11.5in. with a length of 40.25in. and 30 splines. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. 35in.-40.25in. cut to length.

MIA's Description

This Yukon rear axle for 2011 and newer GM 11.5" differentials is made from 1541H alloy, offering increased strength over stock axles at a lower cost. It features 30 splines and is designed to cover lengths from 35" to 40.25", allowing it to be cut to fit. It is a direct replacement for GM part number 20920663.

Fitment

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Specifications

BrandYukon Gear & Axle
Part NumberY001 YA GM11.5-30-40.25

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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