Hardrace Rear Diff. Mount Bushing Fits Most Subaru Models | Eliminates Differential Movement | Rear Differential Bushing

Overview

The Hardrace Rear Differential Mount Bushing is designed to reduce unwanted movement between the rear differential and chassis on a wide range of Subaru models. By replacing the stock rubber bushings with these solid mounts, this product enhances power transfer efficiency and improves overall vehicle responsiveness. It is ideal for Subaru enthusiasts seeking a more connected driving experience and sharper handling characteristics without extensive modifications.

Engineered with precision, Hardrace focuses on delivering durable and performance-oriented suspension components. These rear diff bushings are crafted to provide a firmer connection than OEM parts, reducing flex and unwanted play. The design philosophy centers on improving drivetrain rigidity while maintaining reliability, making it a practical upgrade for daily drivers and spirited drivers alike.

Installing these bushings results in a noticeable increase in steering response and a more solid feel through the rear end. By minimizing differential movement, more energy is effectively transferred to the wheels, enhancing traction and control. This upgrade is especially beneficial for Subaru owners who want to address the common issue of differential slop and improve the overall driving dynamics of their vehicle.

Features & Specifications

This Hardrace Rear Differential Mount Bushing is engineered for a broad range of Subaru platforms including WRX, STI, Forester, Legacy, Impreza, Crosstrek, and Outback models. Constructed from high-quality materials, it delivers enhanced drivetrain stability and power transfer for Subaru enthusiasts seeking improved handling and responsiveness.

Brand: Hardrace
Product: Rear Diff. Mount Bushing
Part Number: HR-7381
Fitment: 2004-2008 Forester, 2005-2009 Legacy, 2006-2007 WRX, 2008-2010 STI, 2008-2010 WRX, 2008-2016 Impreza, 2009-2013 Forester, 2009-2014 Outback, 2010-2014 Legacy, 2011-2014 STI, 2011-2014 WRX, 2013-2016 Crosstrek, 2014-2018 Forester, 2015-2021 STI, 2015-2021 WRX, 2017-2023 Crosstrek, 2017-2023 Impreza, 2022-2026 WRX
Material: High-density polyurethane
Finish: Black
Construction: Molded solid bushings
Origin: Japan

Key Benefits

Performance: Eliminates differential movement for improved power transfer to the wheels
Handling: Increases steering response and rear-end stability
Durability: Made from high-density polyurethane for long-lasting performance
Fitment: Designed to replace OEM diff bushings with direct compatibility across multiple Subaru models
Quality: Precision molded for consistent and reliable chassis connection
Driving Experience: Provides a solid and connected feel, reducing drivetrain slop

What's Included

6× Hardrace Rear Differential Mount Bushings

Installation & Compatibility

Installation of the Hardrace Rear Diff. Mount Bushing is generally straightforward for those with moderate mechanical experience and basic tools. It requires removal of the rear differential mount to replace the OEM bushings with these solid units. While the process is DIY-friendly for enthusiasts comfortable with suspension work, professional installation is recommended to ensure proper torque specs and alignment. No special modifications are necessary, but verify fitment carefully against your specific Subaru model and year.

Professional Installation: Recommended
Modifications Required: None
Verify Compatibility: Confirm fitment for your specific year and trim level

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2004-2008 Forester Drivetrain

Hardrace Rear Diff. Mount Bushing Fits Most Subaru Models