Wabco 4630390020 3/2 Way Directional Control Valve

Description

The Wabco 4630390020 is a 3/2 way directional control valve used within a drivetrain gearbox system. This valve controls the flow of fluids or gases, directing them to different pathways within the gearbox to enable gear changes or other functions. It features a mounting configuration of 2x Ø 9 mm, a nominal diameter of 1.5 mm, and port threads of M10 x 1 and M10 x 1.0. Measuring 63 x 67 x 132 mm, this OE specification valve offers precise control and reliable operation within demanding gearbox applications, capable of withstanding a maximum operating pressure of 10.0 bar and functioning within a temperature range of -15°C to +80°C.

Key Features & Benefits

This valve basically directs fluid – usually hydraulic oil – to different paths. The “3/2 way” part just tells you how it works. It has three ports – one inlet where the fluid comes in, and two outlets. It switches between sending fluid to one outlet or the other. Think of it like a railroad switch directing a train down one track or another. It's controlled by pressure, a spring, or even electrically in some cases, telling it when to change direction. This valve is usually found in systems where you need to move things using hydraulic power. That could be anything from controlling a lift mechanism on a tractor, operating a hydraulic jack, or even in some types of braking systems. It’s a key component in making those movements happen smoothly and reliably. You'll often find it connected to the gearbox on certain types of machinery, controlling hydraulic actuators.

Symptoms, Risks & Replacements

If this valve fails, you’ll likely notice if whatever it’s controlling stops working – a lift won’t raise, a braking function won’t engage, that sort of thing. It acts like a shield, preventing fluid from going where it shouldn’t. If it’s leaking or blocked, you lose the force needed for that system to function correctly. They can wear out over time, or get gummed up with debris, so it’s good to replace them when you're doing preventative maintenance or if you're seeing problems with the hydraulic system. You can find a good selection of these at places like Fixparts Online, and we can help you make sure you get the right one for your specific vehicle or equipment.

Warranty Information

Wabco 3/2 Way Directional Control Valve (MPN 4630390020) comes with a 1-year warranty.