The Port Cover is a component used within the relay valves of air brake systems, contributing to the safe and efficient operation of braking mechanisms. This cover protects the internal components of the relay valve from contamination and ensures proper function. Manufactured by Wabco with MPN 9710021034, this port cover is designed to OE specification, guaranteeing a precise fit and reliable performance. Its dimensions are 2 x 80 x 106 mm. This component ensures long-lasting durability and operational integrity, effectively safeguarding the air brake system from external elements. These little guys basically seal off the ports – the openings – on your trailer’s brake control module. They keep moisture, dirt, and grime from getting inside the system. They're usually just a simple rubber or plastic cap that snaps or screws right on. Think of it like this – the brake control module is the brain of your trailer brakes, telling them when to activate. Those ports are how everything connects, but they’re also potential entry points for stuff that can mess things up. The port cover acts like a shield, protecting those connections. It's part of the air brake system which handles stopping power, so it's fairly important. Well, moisture and corrosion are the big enemies here. If water gets in and starts causing corrosion, it can interrupt the signal going to your brakes, leading to reduced braking performance or even a complete failure. You’ll notice if one’s missing pretty quickly, usually when you’re doing routine maintenance, and it's a super easy fix. Ignoring it isn't worth the risk. We stock a bunch of these at Fixparts Online, and they’re really inexpensive – a few bucks can save you a lot of trouble down the road. It’s one of those small things that makes a big difference in safety. Your trust matters: Port Cover (MPN 9710021034) comes with a 12-month warranty!

About Wabco

WABCO is a global innovator in braking, stability, and suspension systems for commercial vehicles, enhancing safety and efficiency.

Why Choose Wabco?

• Wabco parts are known for lasting a long time, saving you money on repairs in the long run. • We have a huge selection of parts, covering many different makes and models of vehicles. • Our parts are made to meet or beat the quality of original equipment, so you can trust their performance. • Wabco offers great customer support to help you find the right parts and answer any questions you may have. Wabco delivers excellence, FixParts Online delivers to your door.