Difference Between Shocks and Struts

Because of the frequent interchangeability of the phrases, we get this question rather regularly. In a car, a shock and a strut serve essentially the same purpose: to reduce the spring's motion and eliminate oscillation and bounce. Shocks and struts are distinct components that share a common purpose. It is not possible to swap out struts for shocks or vice versa. Each vehicle will only ever have one type of suspension component, on the front or the rear. You may have both shocks and struts, but never both on the same end of your vehicle.

The major difference between shocks and struts is that a strut is a structural part of the vehicles suspension system, whereas a shock is not.

What is a Strut?

An important component of the vehicle's steering system, a strut has a significant impact on the angles of alignment. The strut is often the place where the camber and caster angles are modified. An additional point of pivot for the steering system of a vehicle, a strut houses the coil spring. This is why, whenever you replace a strut, you must also do an alignment. Struts are usually more expensive than shocks for the same reason. Struts often have mounts, boots, and bumpstops as part of their overall design. Boots and bumpstops should always be replaced when struts are replaced. In most cases, coil springs may withstand up to 300,000 miles before needing replacement.

What is a Shock?

To maintain tire traction, a vehicle needs a shock absorber. If you want your vehicle to stay riding smoothly, invest in high-quality shocks. The vehicle's components will see less wear and tear with a high-quality shock. Shocks often feature two eyelets at the top and bottom of the device, as well as a stem and an eyelet, or even a post.

A Strut. Note the spring perch that holds the vehicle's coil spring, making the strut an integral part of the vehicle's suspension.

A Shock.

Shocks and Struts?

People often call in saying they have been told they need shocks and struts. This is usually a friendly neighbor with a less than perfect knowledge of suspensions trying to be helpful. Because the terms are used interchangeably, customers often get confused as to which they need.

Can You Have a Shock and A Strut on the Same Vehicle?

To add to the confusion on shocks vs struts, yes you can have a strut and a shock on the same vehicle. A common configuration for vehicles is struts up front and shocks out back.

Can I Get a Complete Strut or Quick Strut for My Vehicle?

Buying a new strut assembly—including the strut, boot/bumpstop, mounts, and spring—is more economical than buying individual parts. Plus, it's far safer and will save you time and money on labor. A high-quality full strut is what you'll need, though. That means you're looking at Gabriel Ultra Ready Mount Strut, KYB Strut Plus, or Monroe Quick Strut if you go that route.

Shocks vs Struts How Can I Be Sure and How Shockwarehouse Can Help?

You will only see the appropriate units for your car when you search for it on Shockwarehouse. If you need struts, you will see them, and if you need shocks, you will see them.

If you still need assistance, call us at 1-800-245-7469.