GReddy Type R / Type C Wastegate Valve Diaphragm

This is the replacement diaphragm for your GReddy Type R or Type C external wastegate. If your wastegate isn't holding boost like it used to, or if you suspect a leak, this diaphragm is a common culprit. It's the rubber seal that separates the boost pressure from the spring mechanism, and over time, heat and pressure can cause it to degrade or tear.

Replacing the diaphragm is a straightforward way to restore proper wastegate function without needing to replace the entire unit. It's a well-built component designed to seal against boost pressure and maintain the integrity of your wastegate's operation. Ensuring a good seal here is critical for consistent boost control and preventing overboost situations.

This part is specifically for the GReddy Type R and Type C external wastegates. Make sure you have one of these models before ordering. Having a spare on hand can also save you downtime if an issue arises unexpectedly.