Wabco 4111411020 Single Cylinder Compressor 159cc Basemounted

Description

The Wabco 4111411020 is a single cylinder air compressor designed for use in air brake systems. This compressor is base-mounted and provides a swept volume of 159 cm3 with a calculated volume of 13.95. It features air cooling and lubrication supplied from the engine, operating at a maximum pressure of 8.5 bar and 3000 (1/min). With a piston diameter of 75.0 mm and a piston stroke of 36 mm, this unit delivers reliable performance, adhering to OE specifications. The compressor’s dimensions are 310 x 225 x 200 mm.

Key Features & Benefits

This compressor's job is pretty straightforward – it takes in air and squeezes it, building up pressure. It then stores that pressurized air in the air reservoir, which is like a tank. This particular one is a single cylinder unit, meaning it has one piston going up and down to do the compressing. The 159cc refers to the engine displacement – basically how much air it can move per cycle. And "base – mounted" just means it’s designed to bolt directly onto the vehicle’s frame. Think of this compressor as the heart of your air brake system. Everything else – the brakes actually stopping the wheels, the air dryer keeping things dry, the leveling system if you have one – it all relies on the air pressure this compressor builds. It’s not directly doing the braking, but without it, nothing else works. It keeps that reservoir full, so you’ve got the power to stop when you need to.

Symptoms, Risks & Replacements

You'll notice if this thing goes bad, believe me. You'll probably start hearing it working harder, running more frequently than usual, or maybe you'll see your air pressure gauge dropping while you're driving. That low air pressure warning light will become your new best friend, and eventually your brakes won’t fully engage. It's a safety thing, plain and simple. A failing compressor means failing brakes, and that’s a problem nobody wants. You can find a good replacement for this unit at places like Fixparts Online, and honestly, getting a new one before it totally fails is the smart move. Replacing it while things are still mostly working is a lot easier than dealing with a complete breakdown on the road.

Warranty Information

Wabco Single Cylinder Compressor 159cc Basemounted (MPN 4111411020) comes with a 1-year warranty.