Drivetrain› Differentials and Rear-End Components

Auburn Gear

99C SIERRA/SILVERADO 2500/3500HD ELECTRONIC LOCKER FITS AAM AXELS W/ 30T SPLINE

$1,356.79

SKU: A027 545046

In Stock
In Stock
Ships by Aug 7
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

99C SIERRA/SILVERADO 2500/3500HD ELECTRONIC LOCKER FITS AAM AXELS W/ 30T SPLINE

MIA's Description

The Auburn Gear 545046 is a Select-A-Loc (Open to Lock) electronic differential for AAM 11.5" rear axles with 30 spline side gears. It is designed for heavy-duty trucks.

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

BrandAuburn Gear
Part NumberA027 545046

Videos

Why we run the Auburn Gear Select-a-Loc | GenRight Off Road

Why we run the Auburn Gear Select-a-Loc | GenRight Off Road
Dana Super 44 ECTED MAX Selectable - Locker with 35 axle shaft splines from Auburn Gear Inc. ID9035

Dana Super 44 ECTED MAX Selectable - Locker with 35 axle shaft splines from Auburn Gear Inc. ID9035
ECTED Max Locker - Auburn Gear

ECTED Max Locker - Auburn Gear

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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