Transmission line retaining clips (often called "tranny clips") are essential safety components used to secure transmission oil cooler lines into their quick-disconnect fittings . While small, they are critical for maintaining a proper seal and preventing catastrophic transmission fluid loss caused by vibrating lines popping out. Common Types and Sizes
: These U-shaped or "E-clip" fasteners secure the gear shift cable to the transmission linkage arm, ensuring the driver can reliably switch between Park, Drive, and Reverse. Harness and Loom Clips tranny clips