Wabco 4700151230 Valve

Description

This Wabco valve is a critical component within trailer brake controls, functioning as part of the air brake system to regulate airflow and ensure reliable braking performance. It is commonly used in heavy-duty trailers and commercial vehicles where dependable air brake functionality is paramount. This valve features a 2-circuit design and operates within a temperature range of -40°C to +80°C, ensuring consistent performance across a wide range of environmental conditions. Its robust construction, adhering to OE specifications, guarantees durability and a long service life. The valve's dimensions are 105 x 130 x 225 mm and it features M16 x 1.5 port threads for both port 1 and port 2, along with M10 x 1 and M12 x 1.5 threads on ports 41 and 42 respectively. It is designed for mounting using 2x M8 bolts, and features a flap exhaust. The distance between the bolt holes is 52mm with a 26mm separation.

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 4700151230) comes with a 1-year warranty.