ACDelco 25877333 GM Original Equipment Rear Parking Brake Anchor Backing Plate: Automotive. Buy ACDelco 25877333 GM Original Equipment Rear Parking Brake Anchor Backing Plate: Power Brake Systems - ✓ FREE DELIVERY possible on eligible purchases. GM-recommended replacement part for your GM vehicle’s original factory component . Offering the quality, reliability, and durability of GM OE . Manufactured with GM Original Equipment specification for fit, form, and function . The GM Original Equipment Parking Brake Anchor Plate is a GM-recommended replacement for your vehicle's original components that provides a base for the other parking brake components. This plate has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. . . .