Drivetrain› Differentials and Rear-End Components

Subaru

Hypoid Gear Set 4.111 G/R

$479.02

SKU: 38100AB390

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In Stock
Ships by Aug 4
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INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Subaru Gear Set Hypoid, part number 38100AB390, is a genuine Subaru component designed as a direct replacement for your vehicle's drivetrain. This gear set features a 4.111 gear ratio (G/R) and is engineered to provide reliable performance and durability. The part supersedes several previous Subaru part numbers, including 38100AA810, 38100AB240, 38100AB150, and 38100AB170. Fitment includes the Subaru Baja, Impreza (including WRX and STI models), Legacy, and Outback. Specifically, it is compatible with 2005-2011 Subaru Impreza models (2.5L H4, including 2.5i, 25i, Outback, Outback Sport, RS trims), 2005-2009 Subaru Legacy models (2.5L H4, including 2.5i, 2.5i Base, 2.5i Limited trims), and 2005-2009 Subaru Outback models (2.5L H4, including 2.5i, 2.5i Base, 2.5i Limited trims). It is important to note that this part is explicitly stated as NOT fitting the 2022 Subaru model year. The product is covered by Subaru's factory warranty, offering peace of mind for your purchase.

MIA's Description

The Subaru Gear Set Hypoid is a direct replacement part for your vehicle's drivetrain. It features a 4.111 gear ratio (G/R). This part is compatible with various Subaru models including Baja, Impreza, Legacy, and Outback.

This genuine Subaru part is guaranteed by Subaru's factory warranty, ensuring quality and reliability. It replaces part number 38100AB240.

Fitment

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Specifications

BrandSubaru
Part Number38100AB390
CategoryDrivetrain

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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