Buy OEM Volvo Part # 31434551. Coil Spring (Rear). Variant code: 781H. Suspension Coil Spring Your coil springs are not especially prone to failure, but if they have

Spring, Helical Spring and Torsion Spring.
Coil Spring.

REAR SPRING

Fits S60, S60 Cross Country, S60 Inscription, V60, V60 Cross Country, XC60, XC70

Variant code: 781H.
Suspension Coil Spring
Your coil springs are not especially prone to failure, but if they have been cut, clamped, or heated to have the vehicle lowered, your Volvo might benefit from replacing the strut springs. Excessive rust can make the springs more prone to failure. Contact your local Volvo service department to have your suspension system evaluated.