PUMP O-RING

The Coan Racing COA‑12156 Pump O‑Ring is a small yet indispensable sealing component designed specifically for GM Powerglide transmissions. It provides a tight, dependable seal around the pump interface to prevent fluid leakage under high-pressure operating conditions.

This direct-fit o‑ring makes maintenance simple and reliable, eliminating the need for more complex sealing procedures. The COA‑12156 serves as a versatile, OEM-quality replacement that supports both routine rebuilds and high-performance builds, ensuring dependable hydraulic integrity in any application.