Wabco 4712002514 Diaphragm Plate

Description

The Diaphragm Plate is a critical component within air brake systems, specifically used in trailer brake controls. This plate facilitates the transfer of air pressure to actuate the trailer brakes, ensuring reliable stopping power. Manufactured by Wabco with MPN 4712002514, this component adheres to OE specifications for optimal performance and durability. Its dimensions are 88 x 12 x 88 mm. This diaphragm plate delivers consistent brake performance, extends service life, and ensures safe and efficient trailer operation.

Key Features & Benefits

This little plate is really the heart of how your trailer brakes get activated. It’s a flexible disc, usually rubber, that reacts to air pressure. When you hit the brakes in your truck, air pressure gets sent back to the trailer. This plate moves with that pressure, essentially translating it into mechanical force. That force then pushes on other parts to apply the trailer brakes. It basically converts air pressure into push. Think of it as being right in the middle between your brake pedal and the trailer’s actual brake shoes. It's part of the air brake chamber, which is the unit that makes the trailer brakes work. It's not directly doing the stopping, but without this plate moving properly, the chamber can't push the brakes on the trailer. It’s a critical link in the whole system.

Symptoms, Risks & Replacements

This is one of those parts that, when it fails, you’ll notice pretty quickly. If it cracks or tears, you lose braking force on that wheel, or even the whole trailer. It’s a safety thing, plain and simple. A failing diaphragm plate can cause reduced stopping power, pulling to one side, or even complete brake failure. It acts like a shield protecting the other components from excessive pressure, but it wears out over time with use and exposure to the elements. You can find replacements at places like Fixparts Online, and it's a relatively inexpensive part to replace compared to dealing with brake failure, believe me. It's definitely something you want to keep in good shape.

Warranty Information

Wabco Diaphragm Plate (MPN 4712002514) comes with a 1-year warranty.