Restore front ride height and factory handling with the KYB Suspension Strut and Coil Spring Assembly SR4102, a complete corner unit that arrives as a ready-to-install strut, mount, and spring. It's a direct-fit front replacement for the 2005-2007 Buick Terraza, 2005-2008 Chevrolet Uplander, and 2005-2007 Saturn Relay — see the Buyer's Guide tab for engine-level detail.
As an original-equipment supplier, KYB builds the Strut-Plus around an OE-restoring KYB Excel-G strut to help bring back the vehicle's ride, handling, and control.
- Pre-assembled corner unit: strut, mount, and coil spring engineered and assembled together for professional, bolt-in results.
- Application-engineered spring: high carbon steel coil spring developed around vehicle and corner weights to help keep ride height within OE specifications.
- Excel-G strut: includes a stronger steel outer shell and KYB's application-specific precision-designed damping valves.
- Safety-system aware: engineered to help vehicles equipped with electronic safety systems such as ESC and ABS.
Assembled in the USA and designed for proper ride height and original handling on these GM SUVs.
Interchange: 172231 · 182231
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this assembly include?
It's a complete front corner unit — the KYB Excel-G strut, the mount, and an application-engineered high carbon steel coil spring, all pre-assembled and ready to install.
Which vehicles does the SR4102 fit?
It's a front-position direct fit for the 2005-2007 Buick Terraza, 2005-2008 Chevrolet Uplander, and 2005-2007 Saturn Relay. Check the Buyer's Guide tab to confirm your vehicle.
Is this a front or rear unit?
It is a front strut and coil spring assembly for the listed applications.
Do I need to replace both sides?
Struts are best replaced as a matched pair on the same axle for even, balanced ride and handling. This listing is for one assembly, so order two for both front corners.
Is it compatible with electronic stability systems?
Yes. It is engineered to help vehicles equipped with electronic safety systems such as ESC and ABS restore proper ride height and handling.
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