Wabco 4460046430 ABS ECU 24V KWP

Description

The Wabco 4460046430 is an ABS-E Basic 24V KWP Electronic Control Unit (ECU) designed for commercial vehicle braking systems. This ECU is a critical component in the anti-lock braking system, preventing wheel lockup during braking events to maintain vehicle control and reduce stopping distances. It's typically used in trucks, buses, and other heavy-duty vehicles. The unit measures 137 x 40 x 126 mm and features a mounting pattern with 112x122 mm hole spacing utilizing 3x Ø 7.5 mm holes. Its robust design, meeting IP 40 protection standards, ensures reliable operation across a wide temperature range of -40°C to +75°C, providing enhanced safety and performance for braking applications.

Key Features & Benefits

This little unit is essentially the brain behind your anti – lock braking system. It monitors wheel speed sensors – there’s one at each wheel – and constantly analyzes if any wheel is about to lock up during braking. It then rapidly pulses the brakes on that specific wheel to regain traction. It also manages things like traction control, if your vehicle has it, and sometimes even integrates with electronic stability programs. It's doing a lot of calculations every second you’re on the road. The “KWP” part just refers to the communication protocol it uses to talk to other systems in the car – think of it like a specific language it uses. It’s a crucial part of your vehicle’s safety systems. It works alongside the master cylinder, brake lines, and calipers to give you controlled stopping power. It doesn't make the brakes work, it controls how they work, especially in emergency situations or slippery conditions. It’s like a shield, preventing your wheels from locking up and causing you to lose steering control.

Symptoms, Risks & Replacements

If this unit fails, your ABS light will come on, and your anti – lock braking system will stop functioning. Your regular brakes will still work, but you won’t have the benefit of ABS, which is really important for maintaining control during hard braking or on slick roads. You’ll notice if it’s gone bad because the ABS light on your dashboard will illuminate, and you might feel pulsing in the brake pedal during normal braking when it shouldn’t be there, or no pulsing at all during a hard stop. Finding a reliable replacement is key, and places like Fixparts Online often have a good selection of these. It's one of those parts you really don't want to put off fixing if you see a warning.

Warranty Information

Wabco ABS ECU 24V KWP (MPN 4460046430) comes with a 1-year warranty.