Buy 1999 Gmc K2500 Sierra SLT Extended Cab Pickup Coil Spring Damper (Rear). SRX. W/AWD. W/O AWD. AWD, Suspension, Springs - OEM Gmc Part # 22808433 (20838486)

Spring.
A component (mounted in the center of the Spring) which cushions the Spring as it is compressed. seat. Auxiliary. Bumper Assembly - Suspension Jounce. Coil Damper. Stopper. Vibration Damper.

Coil Spring Damper

Fits SRX

SRX. W/AWD. W/O AWD.
Suspension Coil Spring - Repair or Replace
Your coil springs are not especially prone to failure, but if they have been cut, clamped, or heated to have the vehicle lowered, your 1999 GMC K2500 might benefit from replacing the strut springs. Excessive rust can make the springs more prone to failure. Contact your local GMC service department to have your suspension system evaluated.