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Drivetrain› Automatic Transmissions and Components

Subaru

Automatic Transmission Assembly

$3,215.31 $2,498.30 Save $717.01

SKU: 31009JB000

In Stock
In Stock
Ships by Aug 4
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30 Days Return
INSTALL DIFFICULTY
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Professional / shop required

Description

The Subaru Automatic Transmission (part number 31009JB000) is a direct replacement assembly designed for the BRZ model. This transmission is indicated for replacement when experiencing symptoms such as slipping or shuddering during acceleration, hard shifting, delayed or slow gear engagement, or a failure to engage reverse or drive. It is a genuine Subaru part, superseding part number 30098AA050. The listed fitment for this part includes Subaru BRZ models across a wide range of years, from 1995 to the present, with specific year-by-year compatibility available for selection. Consult the vehicle fitment guide to ensure compatibility with your exact model year.

MIA's Description

The Subaru Automatic Transmission is a replacement transmission assembly for the BRZ. Signs that your transmission needs replacement include slipping or shuddering during acceleration, hard shifting, late or slow shifts, or the transmission not engaging reverse or drive. This part replaces part number 30098AA050.

Fitment

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Specifications

BrandSubaru
Part Number31009JB000
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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