KYB 331043 Suspension Strut - Front

KYB Excel-G Front Suspension Strut

KYB Excel-G part number 331043 is a front suspension strut built to restore original ride control, stability, and steering response. It is a direct OE-style replacement for select GM SUVs and crossovers, including Chevrolet Trailblazer and GMC Envoy applications.

The Excel-G line is KYB’s OE replacement series, built on the same assembly lines and with OE-quality components used for original equipment service. For shoppers searching for a front strut for a 2002-2009 Chevrolet Trailblazer or 2002-2009 GMC Envoy, 331043 is a fitment-specific option focused on returning factory-designed handling.

Key Features

• KYB recommended OEM replacement strut for SUVs and crossovers
• Restores designed control and handling for GM SUV applications
• Nitrogen gas-charged, twin-tube construction
• Triple-lip fluid seal helps reduce oil and gas leakage
• Vehicle-specific, hand-assembled damping valves manage tire contact, steering response, and body movement
• Strong strut body and bracket design helps minimize flex and maintain alignment
• Made in USA
• Upper mount type: 10x1.25
• Compressed length: 11.49 in; extended length: 16.02 in; stroke length: 4.53 in

Detailed Description

KYB Excel-G 331043 is engineered as an Original Equipment for the Aftermarket (OEA) replacement for front suspension service. It is designed to return the vehicle’s original ride characteristics rather than alter them, making it a practical choice for drivers who want factory-style response from the suspension. This part cross-references Monroe Shocks & Struts 71341 for the same application.

Compatible With 2002-2009 Chevrolet Trailblazer, front; 2002-2009 GMC Envoy, front; 2005-2009 Saab 9-7x, front; 2003-2008 Isuzu Ascender, front; 2004-2007 Buick Rainier, front; 2003-2006 Chevrolet SSR, front; 2002-2006 Chevrolet Trailblazer EXT, front; 2002-2006 GMC Envoy XL, front; 2004-2005 GMC Envoy XUV, front; and 2002-2004 Oldsmobile Bravada, front.

What It Helps Address

• Excessive front-end bounce or float
• Reduced steering response during lane changes
• Uneven tire contact caused by worn damping control
• Body movement that affects braking stability
• Noise or vibration related to worn suspension struts

Installation Notes and Tips

For reduced noise and vibration, KYB recommends replacing the strut mount with KYB SM5395. A KYB strut boot, part number SB108, helps protect the strut from dirt, debris, and road salt. Because this is a front suspension strut for specific GM-platform vehicles, verify the vehicle’s year, model, and front position before ordering. The 331043 part number is also useful when comparing OE-style replacement options for Chevrolet Trailblazer and GMC Envoy front suspension service.

Quality Assurance

KYB supplies shocks and struts to new vehicle manufacturers, and the Excel-G line is built using OE-quality components on KYB OE assembly lines. The design focus is restoring original suspension performance, with damping calibration intended to match the vehicle’s factory behavior. For buyers seeking a front strut for a Chevrolet Trailblazer, GMC Envoy, or related GM SUV application, KYB 331043 offers an OE-replacement approach backed by KYB’s OEM manufacturing experience.