Wabco 4522002120 Hose Coupling

Description

This Wabco hose coupling (MPN: 4522002120) is a critical component within the air brake system of towing vehicles, specifically for service lines in air pipes and lines. It securely connects air lines, ensuring reliable operation of the braking system. This coupling is designed to OE specification and operates efficiently within a temperature range of -40°C to +80°C, with a maximum operating pressure of 10.0 bar. Its dimensions are 71 x 75 x 97 mm, providing a robust and compact solution for air brake connections.

Key Features & Benefits

These couplings basically connect the air lines that run to your trailer brakes. Think of them like sturdy connectors – they join the flexible air hoses together, making sure you have a sealed, airtight connection. They come in different styles, often with a quick – connect feature for ease of use, but the main job is to create and maintain that air pressure link. They’re made to withstand constant pressure and vibration, and they're designed to be durable. This part is critical in your trailer brake system. The air pressure from your towing vehicle needs to get to the trailer's brakes for them to work. The coupling is right there in the line, providing that pathway. It’s a bridge if you will. Without a good connection here, the signal – that air pressure – doesn't get through, and your trailer brakes won’t engage properly.

Symptoms, Risks & Replacements

Well, your trailer brakes are seriously important for safe towing. If the coupling fails, or leaks, you lose braking power to the trailer. You’ll notice if you have a problem with this pretty quickly – a hissing sound could indicate a leak, and if the trailer feels like it's not slowing down properly when you hit the brakes, that’s a big red flag. These couplings are a relatively small part, but they have a huge impact on safety. You can find a good replacement on sites like Fixparts Online, and honestly, it's a good idea to inspect these connections regularly as part of your overall trailer maintenance. It’s a cheap peace of mind.

Warranty Information

Wabco Hose Coupling (MPN 4522002120) comes with a 1-year warranty.