Shop Buick Century Coil Spring (Front). CTS; w/o Sport Suspension (FE2); Code 6SW, 7SW. W/AWD, w/o SUSPENSION, Control - OEM Buick Part # 22938418

Shield. Spring - Coil.
Code-6SW,7SW. Coil Spring.

Coil Spring

Fits CTS

CTS; w/o Sport Suspension (FE2); Code 6SW, 7SW. W/AWD, w/o chassis control, code: 6SW, 7SW.
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.