Wabco 4756041127 Control Valve

Description

This Wabco Control Valve (MPN: 4756041127) is a critical component within air brake systems, functioning to regulate air flow and pressure. It is commonly used in commercial vehicles and trailers to control braking functions and ensure optimal stopping power. This mechanical, dynamic valve features flange mounting per DIN 71501, M22 x 1.5 port threads, and operates within a range of 0.7 to 1.2 / 2.8 to 3.5 bar. Its dimensions are 88 x 140 x 135 mm, and it’s built to OE specification ensuring reliable performance and compatibility. This valve is an exchange unit for 475 604 112 0.

Key Features & Benefits

This valve basically manages the air pressure flowing to your brakes. It doesn’t create the air pressure – your air compressor does that – but it directs where that air goes, and how much goes where. It controls things like service brakes (what you use to slow down normally), the spring brakes (those emergency brakes that kick in if you lose air pressure), and even things like the parking brake. It’s a bit like a traffic controller for the air in your brake system. It has multiple sections, each handling a different aspect of the braking process. Think of it as the brain of your air brake system. Everything flows through this valve to get to where it needs to go. It receives signals from your brake pedal, and based on how hard you press it, it opens and closes various passages inside to apply the correct amount of braking force. It’s a pretty central component, because if it fails, things can get…well, less controlled. It's usually found somewhere along the air lines leading to your brake chambers.

Symptoms, Risks & Replacements

This is one of those parts you really want working right. If it goes bad, you could experience anything from weak brakes to brakes that don't release properly, or even the spring brakes applying unexpectedly. You’ll notice if it’s failing – maybe the brakes feel spongy, or you’re having trouble getting the vehicle to stop quickly. It’s a safety critical part, plain and simple. A faulty control valve can lead to serious issues, so it’s worth keeping an eye on and replacing it when needed. We carry a good selection of these at Fixparts Online, and we can help you find the right one for your specific truck or trailer.

Warranty Information

Wabco Control Valve (MPN 4756041127) comes with a 1-year warranty.