Description:
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. ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov
Features and Benefits:
- GM-recommended replacement part for your GM vehicle's original factory component
- Have a rust-preventative coating to help protect against corrosion
- Inspected for balance, resulting in smooth brake operation and noise reduction
- Manufactured to GM OE specification for fit, form, and function
- Offering the quality, reliability, and durability of GM OE
Specifications:
Bolt Circle Diameter (in):
5.5 in
Bolt Circle Diameter (mm):
139.7 mm
Drum Center Bore Diameter (in):
3.094685 in
Drum Center Bore Diameter (mm):
78.605 mm
Inside Diameter:
11.61417 in.
Maximum Brake Diameter (Discard):
11.67323 in.
Maximum Brake Diameter (Discard):
296.5 mm
Mount Hole Diameter (in):
0.6456693in
Mount Hole Diameter (mm):
16.4mm
Outside Diameter:
13.20866 in.
Outside Diameter:
335.5 mm
Features and Benefits:
- – Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
- – Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
- – Check the thickness of your brake pads.
- – Inspect the brake lines for rust, punctures, or visible leaks (You may be able to do this, but consult a qualified technician if necessary).
- – Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
- – Inspection of the brake hoses for brittleness or cracking.
- – Inspection of wheel bearings and grease seals.
- – Parking brake adjustments (as needed).
- The following inspections and maintenance procedures can help prevent potential brake problems.
- The following should be conducted by a qualified technician:
Specifications:
