Wabco 1811100380 Midskirt 1800 Cut R

Description

The Wabco 1811100380 Midskirt 1800 Cut R is a critical component within trailer air brake systems, specifically designed for trailer brake controls. It's used to provide increased clearance around the axles, exceeding 50mm, and is cut at the bottom for ease of installation and adjustment. This midskirt is manufactured to OE specification, ensuring a direct fit and reliable performance. Its total length is 1.8 meters, and it is designed for right-side mounting. This construction provides enhanced durability and operational efficiency within the air brake system.

Key Features & Benefits

This part’s main job is to regulate the air pressure going to your trailer’s brakes. Think of it as a valve that controls how hard those brakes grip. It takes the signal from your truck's brake pedal and translates that into a specific air pressure sent to the trailer’s air lines. It’s essentially a proportional control – meaning if you lightly press the brake in your truck, it sends a smaller signal to the trailer brakes, and so on. It handles things like service brakes – your normal braking – and also the spring brakes if your trailer has them. It’s got a specific “cut – in” point at 1800 PSI which is critical for its proper operation. It sits right in the air line running from your truck to your trailer. It’s a key component of the whole air brake system, working alongside the relay valves and the air lines themselves. It's the brain telling the trailer brakes how to react to your foot on the pedal. It's not the brake itself, but the controller.

Symptoms, Risks & Replacements

This is a safety item, plain and simple. If this isn’t working right, you're either going to have trailer brakes that aren't strong enough when you need them, or brakes grabbing way too hard. Either way is a problem. You’ll notice if it’s failing – things like extended stopping distances, pulling to one side when braking, or the trailer brakes just feeling inconsistent. A faulty midskirt can lead to serious accidents. You can usually find these on sites like Fixparts Online, but make sure you’re getting a quality replacement. It’s definitely not something to skimp on.

Warranty Information

Wabco Midskirt 1800 Cut R (MPN 1811100380) comes with a 1-year warranty.