Wabco 480103012R Axle Modulator

Description

The Wabco 480103012R Axle Modulator is a critical component within air brake systems, specifically functioning as part of the air processing unit. It is designed for use in 6x2, 6x4, and 8x4 vehicle configurations, and also supports 6x2/4 applications. This modulator expertly regulates air pressure to the axles, contributing to optimized braking performance and enhanced vehicle stability. Its robust construction, evidenced by its IP 66 / IP 69 K protection class and a temperature range of -40°C to +80°C, ensures reliable operation in demanding environments. The unit features multiple M22 x 1.5 JED - 388 and M16 x 1.5 JED - 388 port threads, alongside a Bayonet DIN 72585 1A-4.1-Sn/K2 electrical connection, and measures 180 x 200 x 360 mm.

Key Features & Benefits

Basically, this thing takes the signal from your ABS – your anti – lock brake system – and translates it into a signal that controls the air pressure to each axle. It’s kind of like a traffic controller for the air brakes, telling them when to apply and release. It manages the air flow, adjusting brake force individually to each axle, and that's how it helps prevent wheel lock – up. It’s got solenoids inside that open and close really fast to regulate that air. It’s a key part of your air brake system, specifically the ABS portion. It sits within what we call the air processing unit, handling the signals and air delivery that make ABS work. If your truck has air brakes and ABS, you’ve got one of these for each axle – front and rear, usually. It works alongside the ABS control module and the wheel speed sensors – all of them work as a team.

Symptoms, Risks & Replacements

It’s incredibly important for safety. If it fails, your ABS stops working properly. You’ll notice if it's bad because your ABS light will almost certainly be on. Beyond that, you’ll probably feel a loss of braking control, especially in slippery conditions. Without it functioning, your wheels can lock up, and that can lead to skidding, extended stopping distances, and, well, accidents. It acts like a shield against losing control. A lot of folks get their axle modulators from places like Fixparts Online, they usually have a good selection. It's a component you definitely don’t want to put off repairing if there's an issue.

Warranty Information

Wabco Axle Modulator (MPN 480103012R) comes with a 1-year warranty.