Wabco 4640070020 Ride Height Valve

Description

The Wabco 4640070020 is a Ride Height Valve, also known as a Levelling Valve, crucial for maintaining consistent vehicle height and stability. It's used in cabin tilt systems, ensuring proper operation and driver comfort. This valve actively compensates for load variations and external forces, contributing to improved handling and a smoother ride. It features an actuation angle of -19° to +19°, a calculated volume of 0.58049, and mounting provisions for 2x Ø 8.5 mm bolts. Its dimensions are 38 x 228 x 67 mm, and it operates with a sphere-lever mechanism of Ø 8 mm, featuring a stroke of ±30°. The valve is designed to OE specification, with a maximum operating pressure of 11.0 bar and a temperature range of -40°C to +80°C. It includes a one-way valve and utilizes M10 x 1 threads for both ports.

Key Features & Benefits

This valve basically controls the air pressure in your vehicle’s air suspension system. Think of it as a little regulator. It manages how much air goes into the air springs – those big rubber and air pockets that support the weight of your vehicle instead of traditional coil springs. It adjusts based on load and road conditions. It can raise or lower the vehicle to maintain a consistent ride height, even when you’ve got a heavy load in the back, or you’re driving over uneven ground. It also controls things like automatic leveling when you park. It's a key part of the entire air suspension system. It works with the air compressor, the air springs themselves, and the electronic control unit. The ECU tells the valve what to do – raise, lower, maintain – and the valve responds by opening or closing to let air flow where it needs to. It’s most common on trucks and SUVs, especially those designed for towing or hauling.

Symptoms, Risks & Replacements

Well, if this valve goes bad, you’ll notice it. Your vehicle might sit unevenly, or sag on one side. The ride will get pretty rough, because the suspension won’t be absorbing bumps properly. You might even have trouble with handling and steering. If it fails completely, the vehicle could actually bottom out. It's not something you want to ignore. We carry a good selection of these; you can find a Ride Height Valve, and other air suspension parts, over at Fixparts Online, or we can check our stock here. Replacing it gets your suspension back to working as it should, keeping your ride comfortable and safe.

Warranty Information

Wabco Ride Height Valve (MPN 4640070020) comes with a 1-year warranty.