Whiteline Sway Bar Bushing Kit 21mm 2002-2007 WRX / 2004-2007 STI | Synthetic Elastomer | Suspension Upgrade
Overview
The Whiteline Sway Bar Bushing Kit is a critical suspension service component designed specifically for Subaru WRX and WRX STI models from 2002 to 2007. These bushings secure the sway bar mounts, playing a vital role in maintaining suspension geometry and vehicle stability during cornering and dynamic driving conditions. Ideal for enthusiasts looking to restore or upgrade their suspension, this kit ensures precise sway bar function and improved handling response.
Whiteline’s engineering approach combines advanced synthetic elastomer materials with innovative design features such as internal bore knurling and grease retention lips. This combination optimizes lubrication retention and reduces bushing wear, resulting in consistent performance and durability. The bushings are precision-engineered to maintain suspension balance under load, reflecting Whiteline’s commitment to quality and functional design tailored for Subaru platforms.
For Subaru owners, these bushings provide a tangible improvement in suspension feel and control by minimizing unwanted sway bar movement and maintaining proper alignment. This upgrade is especially beneficial for vehicles experiencing bushing wear or those undergoing suspension refreshes, ensuring the handling characteristics remain sharp and predictable on both street and track environments.
Features & Specifications
This Whiteline sway bar bushing kit is engineered for 2002-2007 Subaru WRX and 2004-2007 WRX STI models and features a 21mm diameter fitment. Constructed from a high-quality synthetic elastomer, it delivers enhanced durability and lubrication retention for Subaru enthusiasts seeking improved suspension precision and longevity.
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Brand: Whiteline
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Product: Sway Bar Bushing Kit 21mm
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Part Number: W0405-21
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Fitment: 2002-2003 WRX, 2004-2005 STI, 2004-2005 WRX, 2006-2007 STI, 2006-2007 WRX
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Material: Synthetic Elastomer
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Finish: Black
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Construction: Molded with internal bore knurling and grease retention lips
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Origin: Not specified
Key Benefits
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Durability: Synthetic elastomer material resists wear and maintains performance over time
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Fitment: Precision-engineered for exact 21mm sway bar diameter on specified WRX and STI models
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Performance: Maintains optimal suspension geometry under load for improved handling stability
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Lubrication: Grease retention lips and internal knurling ensure consistent lubrication and reduced bushing noise
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Maintenance: Easy to inspect and replace, making it a straightforward suspension service item
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Value: Provides a cost-effective upgrade to restore or enhance sway bar function
What's Included
- 2× Whiteline Sway Bar Bushings (21mm)
Installation & Compatibility
Installation of the Whiteline Sway Bar Bushing Kit is generally straightforward and can be performed by enthusiasts with basic mechanical skills and tools. It involves removing the sway bar mounts, replacing the old bushings with the new synthetic elastomer units, and reassembling the components. No special tools are typically required, but proper torque specifications should be followed to ensure secure fitment. Measuring the sway bar diameter before purchase is essential to confirm compatibility with the 21mm bushings. This kit is compatible with 2002-2007 WRX and 2004-2007 WRX STI models as specified. No tuning or additional modifications are necessary.
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Professional Installation: DIY-Friendly
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Modifications Required: None
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Verify Compatibility: Confirm sway bar diameter and vehicle year/model before installation
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