Wabco 9735000390 Quick Release Valve

Description

The Wabco 9735000390 Quick Release Valve is a critical component within air brake systems, designed to rapidly exhaust air from brake chambers, enabling quick and responsive braking. It is commonly used in commercial vehicles and trailers to enhance driver control and safety. This valve features a calculated volume of 0.33524, a distance between bolts of 38 mm, and port threads of M22 x 1.5. Its dimensions are 58 x 85 x 68 mm. The quick release function improves braking performance by minimizing drag and ensuring efficient brake application and release. It’s manufactured to OE specification, ensuring reliable operation and compatibility.

Key Features & Benefits

Basically, this valve rapidly dumps air pressure from the brake chambers when you hit the brakes, and then again when you release them. It’s a fast acting switch, you could think of it like that. It allows air to escape quickly, letting the brakes disengage faster than they would on their own. It also helps prevent the brakes from staying partially applied, which is important. It’s a small part, but does a lot. This valve sits within your air brake system, usually close to the air compressor and service reservoir. It's tied into the brake lines and controls how quickly air pressure builds and releases to the brake chambers at each wheel. It's a key component in the overall system, helping to ensure efficient and responsive braking.

Symptoms, Risks & Replacements

If this valve fails, you’ll notice if it’s dragging—meaning your brakes might stay slightly on, causing overheating and wear on your brake components. Or, it could cause slow brake response—you press the pedal, and things don’t happen as quickly as they should. It really contributes to safety and keeping your stopping power reliable. A failing valve can be a serious issue, so it’s good you’re checking it out. You can find replacements at places like Fixparts Online if you need one, and it’s a fairly straightforward swap for a mechanic.

Warranty Information

Wabco Quick Release Valve (MPN 9735000390) comes with a 1-year warranty.