The major difference between shocks and struts is that a strut is a structural part of the vehicles suspension system where a shock is not. A strut is also crucial part of the vehicles steering system and greatly affects alignment angles.

Is a front strut a shock absorber?

A strut is a shock absorber built into one unit with a coil spring and a strut mount. Front suspension layout with a MacPherson strut.

Do I need a shock or strut?

Cars need regular replacement of shocks or struts every 50,000 miles or so, depending on your car's make and model. Have your mechanic make a routine check of the shocks or struts every 50,000 miles, or however often your operating manual recommends it.