Wabco 8931042922 Firewall

Description

This bulkhead, also known as a firewall, is a critical component within air brake systems. It's designed for use in heavy-duty vehicles and trailers where secure and reliable connections are essential for pneumatic lines. Manufactured by Wabco with MPN 8931042922, this part ensures the safe and efficient operation of the air brake system. Its dimensions are 27 x 40 x 31 mm. This bulkhead is engineered to OE specification, delivering optimal performance and durability for demanding applications. The integrated M22 x 1.5, M16 x 1.5, and M16 x 1.5 threads provide robust and leak-proof connections.

Key Features & Benefits

A firewall, in this setup, isn’t like what you think of in a computer. It’s basically a filter and a pressure regulator combined into one neat little unit. It takes the air pressure coming from your air compressor, cleans it up by removing water and oil – things that can mess up your whole system – and then reduces it to a usable level for things like your brakes, suspension, and other air – powered components. It’s got a filter element inside that catches the contaminants, and a regulator that keeps the pressure steady. Think of it as the first line of defense for your entire air system. It sits between the air compressor and everything else, protecting those more sensitive parts. The air compressor creates air, but it's often not clean air. This part ensures everything downstream gets nice, dry, regulated air. It's usually located somewhere near the compressor itself, maybe on the frame rail.

Symptoms, Risks & Replacements

It’s incredibly important because moisture and oil in the air lines will gradually eat away at seals, corrode valves, and ultimately cause failures. It acts like a shield for everything else in the system. You’ll notice if this thing goes bad usually because your brakes will feel spongy, your suspension might not operate properly, or you might get warning lights on your dash. Basically, your air system won't work consistently. A good firewall keeps things running smoothly and prevents costly repairs down the road. You can find these pretty easily at places like Fixparts Online, and honestly, replacing it as part of regular maintenance is a smart move.

Warranty Information

Wabco Firewall (MPN 8931042922) comes with a 1-year warranty.