


Product Overview
KYB Gas-a-Just 5510040 is a front right monotube replacement strut for the specified Subaru STI application. The design separates the hydraulic working area from the high-pressure nitrogen chamber with a floating piston to maintain controlled damping response.
Features
- Monotube, gas-pressurized construction.
- Separate hydraulic and nitrogen chambers.
- Application-specific replacement for the listed STI suspension position.
- Automatic hydraulic response rather than a manual adjustment knob.
Specifications
- Manufacturer: KYB
- Manufacturer Part Number: 5510040
- Product Series: Gas-a-Just
- Position: Front Right
- Unit of Sale: One damper
What's Included
- One KYB Gas-a-Just strut, part number 5510040.
- Coil spring and upper mount are not included.
Vehicle Fitment
Fitment applies only to the model years, trims and positions listed below.
| Subaru Application | Model Years | Position |
|---|---|---|
| Subaru Impreza WRX STI | 2004 | Front Right |
Installation Information
Professional installation is recommended. Follow the vehicle service manual and use suitable spring-compression equipment when transferring the spring. Inspect the upper mount and protective components and check alignment after installation.
Sold individually. Replace matching axle dampers as a pair when servicing worn suspension.
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KYB Gas-a-Just Front Right Monotube Strut - 2004 STI
Sale price$380.99 CAD