Wabco 4460046290 ABS ECU Basic 4S/3M KWP

Description

The Wabco 4460046290 is an ABS-E Basic 4S/3M KWP ABS Controller used in brake systems to prevent wheel locking during braking, enhancing vehicle stability and control. This device features OE specification and is designed for 24V systems, operating reliably within a temperature range of -40°C to +75°C. The controller has an IP40 protection class, offering resistance to solid objects. Its dimensions are 40 x 123 x 122 mm, and it mounts using 3x Ø 7.5 mm holes with a hole spacing of 112x122 mm.

Key Features & Benefits

This little module is the brain behind your ABS. It constantly monitors the speed of each wheel using sensors. When it detects one wheel slowing down significantly faster than the others – like when you're braking hard and starting to skid – it rapidly pulses the brakes on that wheel. That pulsing is what prevents lockup, letting you maintain steering control. It also often integrates with traction control and stability control systems, working with those to help keep you going straight and avoid losing control. Different versions – like the 4S or 3M here – just specify which other systems it integrates with, so it's important to get the right one for your vehicle. Basically, it's a safety component. It’s not directly making you stop, but it’s managing how the brakes apply to each wheel while you’re stopping. Think of it almost as a safety net or a shield against losing control in slippery conditions, or even just during hard braking on dry pavement. It’s constantly working in the background, and you only really notice it when it has to kick in.

Symptoms, Risks & Replacements

Well, without this, if you brake hard on a slick surface, your wheels can lock up. When your wheels lock, you lose steering control and you’ll just slide. That can lead to accidents, obviously. The ABS helps prevent that by keeping those wheels rotating, even while braking hard. You’ll notice if this thing goes bad because the ABS warning light on your dash will illuminate, and the system simply won’t work when you need it. If you’re looking for a replacement, Fixparts Online usually has a good selection of these, and you can make sure you get the correct 4S or 3M version for your car there.

Warranty Information

Wabco ABS ECU Basic 4S/3M KWP (MPN 4460046290) comes with a 1-year warranty.