There are a number of suspension system parts that are present in your Infiniti. The suspension is what helps to support the frame of your vehicle and keep it from bouncing all over the road as you drive along. The suspension is made of various parts that are all working together to help control the movement of your vehicle. One of the components that plays a big role with keeping your suspension working well are your coil springs. They handle large amounts of weight and are used to help absorb a range of shock and pressure that your car faces on the road. Keeping the coil springs in good condition is very important, so if you notice issues with the coil springs in your vehicle, you will want to get replacement components. One thing you might notice is a corner of your car sagging or looking lower than the others. Excessive bounciness and uneven tire wear are also signs. You can find OEM Infiniti coil spring replacements here on our site.