Wabco 4120908042 Cylinder Head

Description

The Wabco 4120908042 Cylinder Head is a critical component within air brake systems, specifically designed for air compressors. It ensures the efficient compression and delivery of air necessary for proper braking function in commercial vehicles. Measuring 90 x 150 x 122 mm, this cylinder head is manufactured to OE specification, guaranteeing a precise fit and reliable performance. This component offers enhanced durability and consistent operation, contributing to increased safety and reduced maintenance costs for air brake systems.

Key Features & Benefits

This part basically takes the high – pressure air coming from your air compressor and directs it where it needs to go to activate your brakes. Think of it like a distribution center. It has ports—openings—where the air comes in, and then channels it to the brake chambers, allowing the brakes to engage. It also houses things like the inlet and exhaust valves which control airflow. It’s a crucial part of your air brake system, sitting right after the compressor. The compressor makes the air, and this head is where it gets sorted and sent on its way. Without it functioning correctly, that pressurized air can’t get to the brakes, and you won’t be able to stop. It's the central hub for controlling the air flow.

Symptoms, Risks & Replacements

It’s hugely important for safety, naturally. If this part fails, you’ll lose air pressure to your brakes, and that’s…well, that’s a big problem. You’ll notice if it’s failing, usually by a loss of braking power or a hissing sound indicating a leak. It acts like a shield, protecting the rest of the system and ensuring consistent, reliable braking. Sometimes it's an easy fix, sometimes it's a bit more involved, but getting a replacement quickly is always a smart move. You can find a good selection of these at places like Fixparts Online, and they’ll usually have options for your specific truck model.

Warranty Information

Wabco Cylinder Head (MPN 4120908042) comes with a 1-year warranty.