Wabco 480103015R Axle Modulator

Description

The Wabco 480103015R Axle Modulator is a critical component within a vehicle's air brake system, specifically designed for use in 2-axle vehicles. It functions as part of the Air Processing Unit to regulate braking force and ensure optimal stopping performance. This modulator is commonly found in applications like the ACTROS MP II (EBS/ESP-Packet 2002) with 500 KBa and provides simple redundancy for enhanced safety. It features dimensions of 200 x 190 x 360 mm and operates within a temperature range of -40°C to +80°C. This device utilizes M22 x 1.5 JED - 388 port threads and M16 x 1.5 JED - 388 port threads, with an integrated silencer, and provides a protection class of IP 66 / IP 69 K. The Axle Modulator’s design ensures reliable operation under demanding conditions, and provides consistent and efficient braking control, contributing to improved vehicle safety and performance.

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 480103015R) comes with a 1-year warranty.