Wabco 4494721900 EBS Emergency Relay Valve Cable

Description

The Wabco 4494721900 Ebs Emergency Relay Valve Cable is a critical component within a vehicle's air brake system, specifically designed for Electronic Braking Systems (EBS). This cable facilitates the connection between the EBS control unit and the emergency relay valve, ensuring reliable activation of the spring brakes in emergency situations or when air pressure is lost. The cable features a Bayonet socket ISO 72585-B2-4.1-Sn/K1 4-pin connection on one end and an X3 IN / OUT 2 8-pin connection on the other. Its robust construction and adherence to OE specifications guarantee dependable performance and long-term durability, contributing to enhanced vehicle safety and control. Dimensions are 58 x 352 x 332 mm.

Key Features & Benefits

This cable basically connects the emergency relay valve to the rest of the EBS system. It’s an electrical connection, so it sends signals—specifically, it tells the system to apply the spring brakes if there's a problem with the main air supply. It's a pretty simple part, honestly, but it’s crucial for safety. It also handles communication about the status of the spring brakes. Think of it as a safety net. Your EBS system normally relies on air pressure to keep your brakes working. But if you lose air pressure—say, from a leak or a problem with the compressor—this cable triggers the emergency system to automatically engage the spring brakes. It’s a direct link for that critical function. It’s part of the overall air brake system, working with the modulator, valves, and the air tanks.

Symptoms, Risks & Replacements

It's seriously important because it’s a fail – safe. You’ll notice if this cable fails pretty quickly, usually when you try to release the spring brakes. They’ll stay engaged, or might not fully release. It’s a vital safety component; if it’s damaged or corroded, it can leave you in a dangerous situation. A good, solid connection here means you have that emergency braking power when you need it. You can find these pretty easily at places like Fixparts Online, and it’s something you really don't want to skip replacing if it’s showing any signs of wear.

Warranty Information

Wabco EBS Emergency Relay Valve Cable (MPN 4494721900) comes with a 1-year warranty.