Wabco 9738820010 Spring Brake Control Valve

Description

The Wabco 9738820010 Sbv2 Spring Brake Control Valve is a critical component within the air brake system of commercial vehicles. It's designed to apply the spring brakes in the event of a critical air pressure loss, ensuring vehicle safety and control. This valve is primarily used in trucks, buses, and trailers. This OE-specification valve provides reliable emergency braking functionality, contributing to enhanced vehicle safety and reduced maintenance downtime due to its robust design and precise operation. Dimensions are 144 x 93 x 181 mm.

Key Features & Benefits

This valve basically manages the air pressure going to your spring brakes. It’s got a few jobs. First, it holds the air pressure in the system when everything's normal. Second, it quickly dumps that air pressure if you manually pull the emergency brake – or, more importantly, if the air pressure in your main brake system drops too low. Finally, it applies the spring brakes automatically if that main system pressure fails. Think of it as a safety net, making sure you always have some braking power. It’s a critical part of your air brake system, particularly the emergency and parking brake functions. It works alongside the air compressor, reservoirs, and brake chambers to give you controlled stopping power. Usually, it’s mounted somewhere along the air lines, often near the brake chamber itself. It doesn’t actually do the braking, it just releases the pressure that allows the spring brakes to engage.

Symptoms, Risks & Replacements

This is a big one for safety. If this valve fails, your spring brakes could either fail to release when you want them to, or, even worse, apply unexpectedly. You'll notice if it's failing because your emergency brake might not hold, or you could have trouble getting the spring brakes to fully disengage. It’s a key component in preventing runaways, especially on long hills or with heavy loads. You can find these pretty easily, places like Fixparts Online usually have a good selection. It’s not something you want to put off fixing, honestly.

Warranty Information

Wabco Spring Brake Control Valve (MPN 9738820010) comes with a 1-year warranty.