Wabco 4784070470 Add-On ABS

Description

The Wabco 4784070470 is an add-on ABS (Anti-lock Braking System) hydraulic unit designed to enhance vehicle safety and control. It's used in a variety of commercial vehicles to prevent wheel lockup during braking, allowing the driver to maintain steering control and reduce stopping distances. This unit adheres to OE specifications, ensuring reliable performance and compatibility. It features a robust design with an IP 6K9K / IP 67 protection class, safeguarding against dust and water ingress. The unit measures 253 x 210 x 244 mm and operates effectively within a temperature range of -40°C to +85°C at 24V. Its multiple M10 port threads facilitate seamless integration into existing braking systems.

Key Features & Benefits

Basically, this takes the information from your wheel speed sensors – how fast each wheel is turning – and uses it to control the brake pressure to each wheel individually. It’s an electronic system with hydraulics. So, it doesn’t replace your existing braking system, it adds onto it to prevent wheel lockup during hard braking or on slippery surfaces. It modulates the pressure – increasing or decreasing it – really fast. It’s pretty sophisticated stuff inside. Think of it as a safety net. A regular braking system just applies force evenly. This system steps in when it detects one or more wheels are about to lock up. It essentially "pulses" the brakes, letting the wheel regain traction for just a split second. That pulsing is what you feel sometimes when the ABS is engaged – it's working! It allows you to maintain steering control during emergency stops, which is huge. It’s a component of your overall brake system, but focuses specifically on preventing lockup and helping you stay in control.

Symptoms, Risks & Replacements

Well, wheel lockup means you lose steering. Plain and simple. If you're braking hard and hit a patch of ice, or even a gravel patch, without ABS, your wheels can lock, and you’re just along for the ride. This system lets you steer while braking hard, which can be the difference between avoiding an accident and, well, not. You'll notice if this unit starts to fail; the ABS warning light on your dash will illuminate. It’s a crucial safety feature, especially in less – than – ideal conditions. We often see folks needing to replace these after years of use, or if there's been damage to the hydraulic unit. You can find a good selection of these, and check compatibility for your vehicle, at places like Fixparts Online – they generally have a pretty solid stock.

Warranty Information

Wabco Add-On ABS (MPN 4784070470) comes with a 1-year warranty.