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Springs are vital to vehicles because they support the weight of your car and allow it to remain stable even in rough driving conditions. They have the ability to expand when you hit dips on the road and compress when you encounter bumps or cut into hard corners. A certain kind of spring, called air spring, can also keep your trunk off of the ground and determine ride height, which in turn influences steering and suspension.
There are different types of springs for each kind of automobile and truck depending on your vehicle's suspension design, but the the most common is the coil spring. A coil spring (also called helical spring) is a kind of torsion spring which can store energy and release it later when needed. It can also absorb shock and maintain the force between two contacting surfaces.
Together with a shock absorber, coil springs are pre-assembled as one coil over unit before installation. While the coil spring compresses and stretches to keep you safe as you drive, the shock absorber keeps you from road noise, bumps, and vibrations that you might encounter while doing so. All in all, a coil over is essential in your vehicle's suspension because it gives you optimal damping, good handling and braking, and a comfortable ride all at the same time.

Coil Springs Articles

  • Important Facts You Need to Know About Coil Springs 21 December 2012

    One of the indispensable parts of the suspension system is the coil spring. This suspension part is actually a helically-shaped steel bar that absorbs the shock resulting from the tires' contact with the road. When your vehicle's front wheels run over a bump or a pothole, the coil spring compresses and absorbs the impact. As soon as the road becomes even again, the spring releases the energy and returns to its original state. Because of this shock-absorbing function, your vehicle's coil springs are usually built to be tough and damage-resistant. Some OE coil springs are even vinyl-coated for corrosion resistance and noise reduction. However, several conditions such as frequent vehicle overloading, fatigue, and overuse may leave your vehicle's coil springs weak and brittle. When the time comes that your vehicle needs new coil springs, don't hesitate to visit Auto Parts Deal. We offer premium coil spring at affordable prices.


    • Our coil springs effectively absorb shocks to ensure comfortable, smooth driving despite road irregularities.

    • A coil spring from us resists corrosion and other premature damage, guaranteeing a long-lasting service life.

    • A high-quality coil spring is also designed to withstand heavy loads.