Skip to content

Hardrace Hardened Rubber Rear Knuckle Bushing Fits Most Subaru Models

$77.70
Original price $77.70 - Original price $77.70
Original price $77.70
$77.70 - $77.70
Current price $77.70
SKU HR-6156
Lease to own Pay as low as $/week

DETAILS

Hardrace Hardened Rubber Rear Knuckle Bushing Fits Most Subaru Models | Enhanced Steering Response | Suspension Upgrade

Overview

The Hardrace Hardened Rubber Rear Knuckle Bushing is a direct OEM replacement designed to improve the rear suspension performance on a wide range of Subaru models, including WRX, STI, Forester, Legacy, and Outback from early 2000s to mid-2010s. This bushing replaces the factory unit with a high-strength, anti-crack hardened rubber compound that enhances steering precision and chassis stability without compromising ride comfort. It is ideal for Subaru enthusiasts seeking a reliable upgrade that sharpens handling and reduces unwanted suspension movement during spirited driving or daily use.

Engineered with durability and performance in mind, this bushing uses a specially formulated hardened rubber material that resists side inclination and deformation under high-speed cornering loads. Unlike softer OEM bushings, it maintains consistent geometry and feedback, providing a more connected driving experience. The design philosophy focuses on balancing improved suspension feel with noise and vibration reduction, ensuring no squeaks or rattles while delivering solid steering response.

For Subaru owners, this rear knuckle bushing upgrade translates to increased stability and confidence behind the wheel. By reducing suspension deflection and vibration, it helps maintain precise alignment angles during aggressive maneuvers, which is critical for WRX and STI drivers who demand sharp handling. Additionally, the bushing’s maintenance-free nature—requiring no regular greasing—makes it a practical choice for enthusiasts who want performance gains without added upkeep.

Features & Specifications

This Hardrace rear knuckle bushing is engineered for Subaru WRX, STI, Forester, Legacy, and Outback models, featuring a hardened rubber construction that enhances steering response and suspension stability. Made from high-strength anti-crack rubber, it delivers durability and improved handling for Subaru enthusiasts seeking a reliable OEM replacement with performance benefits.

  • Brand: Hardrace
  • Product: Hardened Rubber Rear Knuckle Bushing
  • Part Number: HR-6156
  • Fitment: 2002-2003 WRX, 2004-2005 STI, 2004-2005 WRX, 2004-2008 Forester, 2005-2009 Legacy, 2006-2007 STI, 2006-2007 WRX, 2009-2014 Outback
  • Material: Hardened Rubber
  • Finish: Black
  • Construction: Molded, High-Strength Anti-Crack Compound
  • Origin: Not Specified

Key Benefits

  • Steering Response: Improves rear suspension feedback for sharper and more predictable handling
  • Durability: Hardened rubber resists cracking and deformation under high load conditions
  • Vibration Reduction: Minimizes unwanted vibrations and noise for a quieter ride
  • Stability: Reduces side inclination during cornering to maintain suspension geometry
  • Maintenance-Free: No regular greasing required, saving time and effort
  • Fitment: OEM direct replacement ensures precise fit and easy installation

What's Included

  • 2× Hardrace Hardened Rubber Rear Knuckle Bushings

Installation & Compatibility

Installation of the Hardrace Hardened Rubber Rear Knuckle Bushing is straightforward for those with basic mechanical skills and access to standard suspension tools. It is a direct OEM replacement, so no modifications are necessary. Professional installation is recommended if you lack experience with suspension components to ensure proper fitment and torque specifications. No special tools beyond typical suspension press or bushing removal tools are required. This bushing is compatible with specified Subaru WRX, STI, Forester, Legacy, and Outback models; always verify your vehicle’s year and trim before purchase.

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

Shop with confidence at Subimods—your Subaru parts specialists.


Brand Logo
Race Proven

Race Proven

HARDRACE was founded in 1998, specialized in designing, manufacturing and marketing reinforced chassis parts for racing and street car. Enthusiasm of high speed and precise control lead us to the area of reinforced chassis parts. Stand on the passion of innovation and insistence of quality, we provide the finest products to our customers by using the latest raw material and technology from harden bushes to anti-dust pillow ball suspension arms. Professional driver tests all of our new products at the track under extreme condition.

OEM Quality

OEM Quality

Quality, Reliability and Stability of the reinforced rubber parts are HARDRACE's priority. Since, all of our products are installed under the car, bears its weight and strength. Weak suspension parts lead to loss of control simultaneously disaster is going to happen. In order to avoid its happening, our products' quality is the most we have in mind, and is our responsibility to provide our customers safety equipments. Presenting our customers with a safety outstanding performance parts, all of our products are sampling examined through Rotorless Rheometer and Tensile Strength Tester to ensured quality and stability.

Shop By Vehicle