Wabco 4700151110 Valve

Description

This Wabco valve is a critical component within trailer brake control systems, functioning as part of the air brake system to regulate air flow and ensure reliable braking performance. It is used in applications requiring precise air control for trailer brakes. This valve features a robust design ensuring compatibility with OE specifications and reliable operation across a wide temperature range of -40°C to +80°C. Its dimensions are 117 x 142 x 175 mm, with port threads of M16 x 1.5, M10 x 1, and M12 x 1.5, and utilizes 2x M8 mounting. The valve operates with a maximum operating pressure of 8.5/50.0 bar and is a 2 circuit version.

Key Features & Benefits

This valve basically controls the flow of air to the trailer brakes. It's got a few jobs – it lets air in to apply the brakes, and then releases it when you want to stop braking. It also often includes a quick release function, meaning when you let off the brakes, the air dumps quickly, preventing drag and making sure the trailer doesn’t lock up. Some valves have manual control levers too, for emergency situations or parking. They can also act like a shield against pressure surges and help maintain consistent braking force. This sits right in your air brake line, connecting your truck’s air system to the trailer brakes. It's the middleman, taking the signal from your foot pedal and translating it into action at the trailer wheels. Without it, you wouldn't have any control over the trailer's braking – it would essentially be coasting along. It’s part of the whole system that lets you safely slow down and stop with a trailer attached.

Symptoms, Risks & Replacements

This is a safety component, plain and simple. If it fails, you lose braking ability on your trailer. You’ll notice if it's going bad because the trailer might not brake evenly, it could drag, or you might have trouble getting it to stop at all. It's something you really want to keep in good working order. A good place to find a replacement if you need one is Fixparts Online, they usually have a pretty good selection. Don’t mess around with this stuff – if you’re not comfortable working on air brakes, definitely take it to a professional.

Warranty Information

Wabco Valve (MPN 4700151110) comes with a 1-year warranty.