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 manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

24 Month/Unlimited Mile Limited Warranty: Our most common Parts Warranty offers coverage on the majority of our Genuine GM Parts and ACDelco service replacement parts. Effective on parts purchased April 1, 2018 and later to the original retail purchaser. Contact seller for limited warranty part details, qualifications, and possible labor coverage.

The following inspections and maintenance procedures can help prevent potential brake problems:
• Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
• Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
• Inspect the brake lines for rust, punctures or visible leaks (You may be able to do this, but consult a qualified technician if necessary).
• Check the thickness of your brake pads.

The following should be conducted by a qualified technician:
• Inspection of the brake hoses for brittleness or cracking.
• Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
• Inspection of wheel bearings and grease seals.
• Parking brake adjustments (as needed).