Wabco 4630903150 Trailer Air Suspension Control Valve

Description

The Wabco 4630903150 Trailer Air Suspension Control Valve is a critical component in trailer air suspension systems. It's used to manage and regulate air pressure, ensuring a smooth and stable ride for the trailer. This valve is designed for 2-circuit systems and offers precise control over suspension height and damping. Its robust construction, meeting OE specifications and featuring an IP 6K9K protection class, guarantees reliable performance even in harsh environments. The valve's dimensions are 248 x 92 x 186 mm, with mounting achieved via 4x M8 bolts, and it operates efficiently within a temperature range of -40 to +65 °C. The electrical connection utilizes DIN 72585-A1-3.6-Sn/K2, and port threads are Ø 8 x 1 across all ports.

Key Features & Benefits

This valve basically manages the air pressure going to your trailer’s air springs – those big rubber bags you see under the trailer. It controls how much air goes in and out, letting you raise and lower the trailer, and importantly, keep it level. It handles things like adjusting for different load weights, or compensating when you're on uneven ground. It also often controls things like automatic dump valves to help with hooking and unhooking. Think of it as the brain of your air suspension system. It receives signals from the height sensors on your trailer, and then uses those signals to open or close valves, directing compressed air where it needs to go. Without it, you wouldn’t be able to reliably control the height and level of your trailer, and you'd be riding pretty rough. It works with the air compressor and the air springs themselves as a whole system.

Symptoms, Risks & Replacements

Honestly, it's pretty important for a smooth and safe ride. If it starts failing, you’ll notice if your trailer is bouncing around more, or if it’s not sitting level. It affects handling a lot, especially at highway speeds. A faulty valve can even lead to uneven tire wear or, in a worst – case scenario, loss of control. You can find a good replacement at places like Fixparts Online – they usually have a good selection of these. Replacing it when you see signs of trouble keeps your load stable and your ride comfortable. It's one of those parts you really don't want to ignore until it's causing big problems.

Warranty Information

Wabco Trailer Air Suspension Control Valve (MPN 4630903150) comes with a 1-year warranty.