Wabco 4757116214 Piston

Description

This piston is a critical component within air brake systems, specifically designed for trailer brake controls. It functions to convert pneumatic pressure into mechanical motion, enabling effective braking performance. This Wabco piston, with MPN 4757116214, is manufactured to OE specification and measures 0.01 x 0.01 x 0.1. Its precise design and durable construction ensure reliable operation and contribute to enhanced braking safety and efficiency.

Key Features & Benefits

This piston is really the heart of how your trailer brakes actually work. Its job is to take the hydraulic pressure from your brake line – basically, when you push the pedal in your truck – and turn that force into mechanical movement. It pushes against the brake shoes or pads, pressing them against the brake drum or rotor, which then slows or stops the trailer wheels. It’s a simple concept, but it's all about converting fluid pressure into stopping power. It also has seals built in to keep everything tight and prevent leaks. It’s a critical piece within the entire air brake system. Think of it like this: your truck's brake pedal sends a message through the hydraulic lines. This piston is the ‘muscle’ that actually carries out that message at the trailer wheels. Without it functioning correctly, you get weak or completely failed trailer brakes. It’s generally found inside the wheel cylinder or brake caliper at each wheel.

Symptoms, Risks & Replacements

It's super important because, frankly, trailer brakes are essential for safe towing. Your truck’s brakes alone aren’t enough to stop a loaded trailer, and if this piston fails, you lose a big chunk of your braking ability. You’ll notice if one goes bad usually, because you’ll get pulling to one side when you brake, or a spongy brake pedal feel. It really acts like a shield, protecting you from accidents. We carry a good selection of these over at Fixparts Online if you're looking to get one, and it's a part you really don't want to mess around with. Getting a quality replacement is worth the peace of mind.

Warranty Information

Wabco Piston (MPN 4757116214) comes with a 1-year warranty.