Help restore the designed control and handling of your truck with the KYB Excel-G Suspension Shock Absorber 344436, a nitrogen gas-charged, twin-tube rear shock for the 2002-2006 Chevrolet Avalanche 1500. KYB is a world-leading supplier of shocks and struts to new-vehicle manufacturers, and the Excel-G is built on the same OE assembly lines with the same OE-quality components — earning it the OEA (Original Equipment for the Aftermarket) classification, calibrated to restore original designed performance rather than change it.
- Twin-tube gas design: nitrogen gas-charged construction that includes the quality components found in KYB's global OEM products.
- Triple-lip fluid seal: designed to reduce the chance of oil and gas leaking out.
- Vehicle-specific damping valves: hand-assembled in-house to manage tire contact, steering response, and body movement.
- Safety-system support: designed to help keep electronic safety systems performing as intended, since they depend on the suspension, brakes, and tires working as designed.
This is a KYB-recommended OEM replacement shock. Worn shocks can show up as excessive bounce, nose dive under braking, or reduced stability during lane changes. Sold individually; replacing both sides on the same axle as a matched pair is recommended for balanced ride control.
Interchange: G63866 · 911506
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicle does this KYB 344436 shock fit?
It is a direct-fit replacement rear shock absorber for the 2002-2006 Chevrolet Avalanche 1500. Check the Buyer's Guide tab to confirm the fit for your specific vehicle.
Is this a front or rear shock?
This is a rear-position suspension shock absorber for the listed applications.
What type of shock is the Excel-G?
It is a nitrogen gas-charged, twin-tube design built on KYB's OE assembly lines using OE-quality components, classified as OEA (Original Equipment for the Aftermarket).
Do I need to replace both sides?
The shock is sold individually. Replacing both sides on the same axle as a matched pair is recommended for even, balanced ride control.
What are signs my shocks may need replacing?
Common signs include excessive bounce over bumps, nose dive under braking, and reduced stability during lane changes. Diagnose the cause before replacing.
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