Wabco 4619037942 Operator

Description

The Wabco Operator (MPN: 4619037942) is a critical component within air brake systems. It functions as an air valve, playing a key role in the efficient and reliable operation of braking mechanisms in commercial vehicles. This component is designed to meet OE specifications, ensuring consistent performance and durability. With dimensions of 50 x 271 x 115 mm, it offers a compact yet robust solution for air brake control systems. Its design contributes to enhanced system responsiveness and overall braking safety.

Key Features & Benefits

This valve basically controls the air pressure to the brakes on a trailer or, sometimes, even the tractor unit itself. It manages how much air gets to the brake chambers – think of it like a gatekeeper. It has a couple of main jobs: it handles the emergency application – so if someone pulls the emergency cord, or the electrical system fails, this valve immediately applies the trailer brakes. It also controls the parking brake – when you set the parking brake, this valve holds the air pressure to keep those brakes locked. And lastly, it manages the spring brakes. These are brakes that are applied when you lose air pressure – a really important safety feature. It sits in the air brake line, usually near the trailer’s emergency glad hand connection. It's a key part of the system that lets the driver control the trailer brakes independently of the tractor unit's brakes. It’s how a driver can react to a trailer issue, like a breakaway, or just manually set the parking brake. It’s the heart of the trailer's independent braking ability.

Symptoms, Risks & Replacements

Well, it’s a safety thing, plain and simple. If this valve fails, you could lose your trailer brakes completely, or they might not release properly. You'll notice if it’s going bad because the trailer brakes might drag, or you might have trouble releasing the parking brake. A faulty valve can also cause the spring brakes to apply unexpectedly, which could be dangerous, especially while driving. They're pretty reliable, but like anything, they wear out. A lot of guys like to replace them as preventative maintenance. You can find a good selection of them at places like Fixparts Online – they usually have pretty competitive prices. It’s one of those parts where spending a little to keep it working right is definitely worth it for peace of mind.

Warranty Information

Wabco Operator (MPN 4619037942) comes with a 1-year warranty.