Wabco 4493731800 EBS Supply Cable

Description

The Wabco 4493731800 EBS Supply Cable is a critical component within trailer brake control systems, specifically designed for EBS applications. This cable facilitates the power supply connection, utilizing an open 7-strand connector (5 x 1.5 mm², 2 x 4.0 mm²) with an ISO 7638 socket on one end, and a 7-pin power connector on the other. Measuring 365 x 380 x 86 mm, this OE-specification cable ensures a reliable and consistent power delivery for optimal brake system performance. Its robust construction and precise engineering contribute to enhanced system durability and responsiveness.

Key Features & Benefits

This cable basically delivers electrical power and signal information to your trailer’s electronic braking system – EBS. It’s how the signal gets from your truck’s brake pedal, or the brake controller, all the way back to the trailer brakes themselves. It handles things like applying the brakes, releasing them, and even communicating diagnostic information if there’s a problem. It’s a pretty straightforward component, but vital. Think of it as the nervous system for your trailer’s brakes. It's a connection point—it links the control system in your tow vehicle to the actual brakes on the trailer. It runs from the connector on your truck, back to the trailer's EBS system. It carries the juice and the messages telling the trailer’s brakes what to do.

Symptoms, Risks & Replacements

Well, if this cable fails, your trailer brakes essentially become unreliable, or won’t work at all. That’s obviously a big safety issue. It acts like a shield, protecting the brake signals, and if it’s frayed, corroded, or broken, you’ll notice if the trailer brakes aren’t responding properly—maybe they’re sluggish, or they lock up unexpectedly. It’s a relatively inexpensive part to replace, and honestly, a lot cheaper than dealing with the consequences of brake failure. We stock a bunch of different lengths and connectors, and you can often find them quickly online at places like Fixparts Online too. It's one of those things that's easy to put off, but really should be checked regularly as part of trailer maintenance.

Warranty Information

Wabco EBS Supply Cable (MPN 4493731800) comes with a 1-year warranty.