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Suspension Valve

Suspension Valve

arrow To find your Suspension Valve choose your Year, Make and Model first.
Suspension Valve

Suspension Valve

Suspension Valve Best Sellers! Use Shop By Vehicle Above To Find Yours!




2003-2003 Mercedes Benz E320 Suspension Valve
OEM New
 E320                           Suspension Valve
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Fits:Sedan With Semi-Active Air Suspension [Code 489]
Part Number:78-20019 ON
Price: $325.95

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2006-2006 Mercedes Benz S350 Suspension Valve
OEM New
Click to Enlarge
Fits:With Airmatic
Part Number:78-20017 ON
Price: $346.11

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2003-2006 Mercedes Benz SL55 AMG Suspension Valve
OEM New
Click to Enlarge
Fits:With Active Body Control Code 487 [OEM Number 2203201258]
Part Number:78-20013 ON
Price: $2,055.00

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2003-2006 Mercedes Benz SL500 Suspension Valve
OEM New
Click to Enlarge
Fits:With Active Body Control
Part Number:78-20018 ON
Price: $1,154.81

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The Suspension Valve is a part of your vehicle's air suspension system. It regulates the air that is fed down the air-lines to the different parts of the air suspension system. The suspension system consists of the air bags (springs), air compressor, air lines, and valves. The main function of the suspension system is to ensure that the vehicle's ride height is at the optimum level and to keep the car from sinking under a load. The compressor feeds dry, compressed air to the air springs through the air lines.

The vehicle's ride height is determined by the manufacturers. The suspension valve is connected to the air spring through the air line. A linkage, connected to the axle, rotates the valve by moving up and down with the axle. When a weight/load is exerted on the vehicle's chassis, the air in the air spring is compressed moving the chassis closer to the axle. This pushes the linkage up which opens the suspension valve to allow air into the spring and restore the ride height. The chassis is pushed up by the air-bags till the linkage has reached neutral position. When the load is removed, the linkage moves down and the suspension valve connects the air spring to the exhaust port, deflating the bag.

The suspension valves can get worn out over time causing your suspension system to falter and eventually fail. They can get blocked or can leak, thereby failing to expel or retain air within the springs, respectively. If you find that your car's chassis does not return to its normal height when a weight is exerted or removed or if you experience a rough ride over a bumpy road, it is a likely indication of a bad suspension valve. You should check and replace the valves at the earliest to avoid damaging your vehicle's suspension. At Buy Auto Parts we stock a wide variety of suspension valves for every car make and model.

We have genuine OEM replacements and premium aftermarket parts. All our car parts are thoroughly tested and come with a warranty. To view the parts that fit your vehicle, select the right year, make and model of your car on our online catalog. At Buy Auto Parts you will find high-quality suspension valves at unbeatable prices, and free shipping. If you have any questions about our car parts, call our toll-free support line 1-888-907-7225 or email us at [email protected].