Shop 1990 Buick Century Arm. Control. Bumper. Spring. (Lower). 2WD, lower. 2WD, lower control arm. 2WD - OEM Buick Part # 10068783

A component (mounted in the center of the Spring) which cushions the Spring as it is compressed. Used to prevent the Control Arm from making contact with the vehicle's frame. Coil Damper. Retainer. Suspension. Included with: Lower Control Arm.

Coil Spring DamperSuspension Control Arm Bumper

2WD, lower. 2WD, lower control arm. 2WD, to lower control arm. Standard bumper. W/o 16" wheel.
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 might benefit from replacing the strut springs. Excessive rust can make the springs more prone to failure. Contact your local service department to have your suspension system evaluated.