GM Genuine Parts 177-0947 (22671542) Rear Brake Drum
ACDelco GM Original Equipment Brake Drums are cylinder shaped bowls where the wheel cylinder presses the brake shoes outward against the inside of the drum. Drums are typically found on older vehicles and on the rear axles of trucks and some cars. These original equipment brake drums are engineered to fit your specific GM vehicle and provide the same performance, durability, and service life as your factory original equipment.