The DFC brake wheel cylinder for 1956–1985 Chevrolet W7N042 Tilt Cab is specified for rear drum brake applications and replaces the rear wheel cylinder to restore hydraulic function. Intended for Tilt Cab rear positions, this replacement helps recover consistent rear braking response, maintaining safe stopping performance where the factory rear cylinder has degraded or failed over time.
DFC 56-85 Chevrolet W7N042 Tilt Cab Rear Brake Wheel Cylinder