Drivetrain Differentials and Rear-End Components

Subaru Genuine Parts

Viscous LSD Assembly, 3.545 Gear Ratio

$395.00

SKU: 27011AA690

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In Stock
Ships by Aug 4
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Description

The Genuine Subaru Rear Differential Assembly, part number 27011AA690, is a direct replacement component engineered for the rear of specific Subaru Impreza models. This assembly incorporates a 3.545 gear ratio viscous LSD (Limited Slip Differential), designed to enhance traction and handling. This genuine Subaru part was manufactured to provide reliable performance and durability. It is intended as a direct replacement for the original differential, ensuring a proper fit and function. The item weighs 42.00 pounds. This differential assembly is compatible with the 2002-2005 Subaru Impreza WRX, the 2004-2005 Subaru Impreza STI, and the 2002-2005 Subaru Impreza models equipped with the 2.0L H4 Turbo engine. Installation involves positioning the differential, connecting driveaxles, and securely tightening mounting fasteners. It is important to note that this part is discontinued by the manufacturer.

MIA's Description

It features a viscous LSD with a gear ratio of 3.545. This assembly is noted as discontinued by the manufacturer.

Fitment

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Specifications

BrandSubaru Genuine Parts
Part Number27011AA690
CategoryDrivetrain

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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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