Restore the designed control and handling of your GM SUV with the KYB Excel-G Suspension Strut 331043, a front gas strut that drops in as a direct-fit replacement for the 2004-2007 Buick Rainier, 2003-2006 Chevrolet SSR, 2002-2009 Chevrolet TrailBlazer, 2002-2006 Chevrolet TrailBlazer EXT, 2002-2009 GMC Envoy, 2002-2006 GMC Envoy XL, 2004-2005 GMC Envoy XUV, 2003-2008 Isuzu Ascender, 2002-2004 Oldsmobile Bravada, and 2005-2009 Saab 9-7X. See the Buyer's Guide tab for the full engine-level list.
- OEA design: A nitrogen gas-charged, twin-tube Excel-G built on KYB's OE assembly lines and calibrated to restore original, designed performance — not change it.
- Triple lip fluid seal: Reduces the chance of oil and gas leaking out.
- Vehicle-specific valving: Hand-assembled, in-house damping valves manage tire contact, steering response, and body movement.
- Strong body & brackets: Thick strut bodies and brackets minimize flex to help maintain correct alignment.
KYB recommends installing new strut mounts (part number SM5395) to reduce the chance of noise and vibration, and protecting the new strut with a KYB Strut Boot (part number SB108). Made in USA.
Interchange: 15098725 · 15098726 · 15789591 · G51718 · 71341
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What is the KYB Excel-G 331043?
It is a front gas suspension strut. KYB classifies the Excel-G as OEA (Original Equipment for the Aftermarket), calibrated to restore the vehicle's original, designed damping performance.
Which vehicles does this strut fit?
It's a direct-fit front strut for GM SUVs and crossovers including the Buick Rainier, Chevrolet SSR and TrailBlazer, GMC Envoy, Isuzu Ascender, Oldsmobile Bravada, and Saab 9-7X. Check the Buyer's Guide tab.
Do I need new strut mounts too?
KYB also recommends installing new strut mounts (part number SM5395) to reduce the chance of noise and vibration. Follow the service procedure for your vehicle when replacing suspension components.
How is this strut built?
It uses a nitrogen gas-charged, twin-tube design with a triple lip fluid seal and vehicle-specific, hand-assembled damping valves. It is made in the USA.
What are signs a strut may need replacing?
Reduced ride control, poor stability during lane changes, longer stopping, excessive body movement, or fluid leaking from the strut. Have the suspension diagnosed to confirm the cause before replacing.
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