Silence the harsh, wallowing ride of a worn-out damper with the KYB Excel-G KYB shock absorber (P/N 344381), a front-position gas shock built to restore the designed control and handling of your full-size GM truck. It drops in as a direct-fit front replacement for the 1999-2006 Chevrolet Silverado 1500 and GMC Sierra 1500, the 2007 Chevrolet Silverado 1500 Classic and GMC Sierra 1500 Classic, the 2002-2006 Chevrolet Avalanche 1500, and the 2000-2006 Chevrolet Suburban 1500, Chevrolet Tahoe, GMC Yukon, and GMC Yukon XL 1500.
- Nitrogen gas-charged, twin-tube design: the Excel-G uses the same OE-quality components as KYB's global OEM products and is calibrated to restore original, designed performance — earning its OEA (Original Equipment for the Aftermarket) classification.
- Triple lip fluid seal: helps reduce the chance of oil and gas leaking out.
- Vehicle-specific damping valves: hand assembled in-house to correctly manage tire contact, steering response, and body movement.
- Built on KYB OE assembly lines: a KYB-recommended OEM replacement shock that helps keep electronic safety systems performing as the vehicle manufacturer intended.
As a preferred choice of professional technicians, this KYB gas shock absorber restores ride control, stability, and lane-change responsiveness on the listed applications. Shocks wear as a set — inspect and replace both sides of the axle together for balanced handling.
Interchange: 22064860 · 88983838 · 89040169 · G63803 · 37178
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What is the KYB Excel-G shock absorber?
It is a nitrogen gas-charged, twin-tube KYB gas shock absorber (P/N 344381) designed as an OEM replacement to help restore the original ride control and handling of your full-size GM truck.
Which vehicles does this KYB gas shock absorber fit?
It is a front-position replacement for the 1999-2006 Silverado 1500 and Sierra 1500, 2007 Silverado/Sierra 1500 Classic, 2002-2006 Avalanche 1500, and 2000-2006 Suburban 1500, Tahoe, Yukon, and Yukon XL 1500.
What position does this shock install in?
This unit is cataloged for the front position. Verify fitment for your specific truck before ordering.
Why does the Excel-G use a triple lip fluid seal?
The triple lip fluid seal helps reduce the chance of oil and gas leaking out, which supports consistent damping performance.
Do I need to replace shocks in pairs?
Shocks wear over time, so replacing both sides of the axle together as a matched set is recommended for even, balanced handling. Each is sold individually.
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