Prepare your semi to be Ready for the Road Ahead , with the Fuller- Transmissions Hydraulic Clutch Release Yoke that helps with a smooth transition of gears. This replacement component acts as a part of the slave cylinder assembly, permitting the movement of a hydraulic piston that transmits energy to the clutch release bearing. Engineered with exact specifications to extend the service life and reduce everyday wear and tear. FleetPride is your First Click in Heavy Duty .