Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Product Discontinued
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
- Front Brake Drum
Part TypeBrake Drum
BrandACDELCO
Package Height3.4
Package Width12.9
Package Length12.9
Weight14.8 PG
Part CategoryReplacement Parts
Abs Sensor Ring IncludedNo
Good Maintenance Practices - Section 2 - Bullet 3Inspection of wheel bearings and grease seals.
Good Maintenance Practices - Section 2 - Bullet 4Parking brake adjustments (as needed).
Discard Thickness11.06 in (280.924 mm)
Programming RequiredNo
PositionFront
Stud/Lug Hole Diameter0.622
Good Maintenance Practices - Section 2 - Bullet 1Inspection of the brake hoses for brittleness or cracking.
Maximum Brake Diameter (Discard) (Mm)280.92
Discard Thickness (In)11.06
Good Maintenance Practices - Section 2 - Bullet 2Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
Center Bore Diameter (Mm)80.2mm
Mount Hole Diameter0.63 in (16.002 mm)
Nominal Drum Diameter11.05
Good Maintenance Practices - Section 2 - HeaderThe following should be conducted by a qualified technician:
Nominal Drum Diameter (Mm)279.4
Center Bore Diameter (In)3.16in
Depth2.42
Good Maintenance Practices - Section 1 - Bullet 1Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
Faq - Answer 3No, but it is a good idea to inspect them at every tire rotation.
New Or RemanufacturedNew
Faq - Answer 2Yes, ACDelco also offers GM OE and Advantage brake drums.
New Or RemanufacturedNew
Outside Diameter (Mm)315.5
Faq - Answer 1No, but it is a good idea to inspect them for wear-out, cracking, leaking etc.
Good Maintenance Practices - Section 1 - Bullet 4Check the thickness of your brake pads.
Good Maintenance Practices - Section 1 - Bullet 2Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
Good Maintenance Practices - Section 1 - Bullet 3Inspect the brake lines for rust, punctures, or visible leaks (You may be able to do this, but consult a qualified technician if necessary).
Grade TypeRegular
Bolt Circle Diameter (Mm)139.7
Features & Benefits - Bullet 2Independently tested with Noise/Vibration/Harshness (NVH) and durability/wear testing; resulting in high quality and reliable products
Bolt Hole Quantity5
Features & Benefits - Bullet 3Follows original manufacturers' designs for dispersing heat, helping to prolong pad and rotor life while reducing noise and vibration
Maximum Brake Diameter (Discard)280.92
Stud/Lug Hole Quantity5
Product DescriptionACDelco Professional Brake Drums are constructed with G3000 SAE qualified material for structural integrity and maximum service life. They are tested to ISO/TS 16949 quality system standards and validated for balance to provide better braking performance. Chamfer angle, vane configuration, and plate thickness all follow the OE design, making them a premium aftermarket replacement for your GM and non-GM vehicle. Also, no machining is required. ACDelco Professional Brake Drums are ready to be installed right out of the box. ⚠<b> WARNING:</b> Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Mount Hole Diameter (In)0.63in
Features &#38; Benefits - Bullet 1Inspected for balance; resulting in smooth brake operation and noise reduction
Discard Thickness (Mm)280.9
Good Maintenance Practices - Section 1 - HeaderThe following inspections and maintenance procedures can help prevent potential brake problems:
MaterialCast Iron
Brake Surface FinishTurned
Outer Cooling FinsNo
Mount Hole Diameter (Mm)16.002mm
Bolt Circle Diameter5.5
Signs Of Wear &#38; Troubleshooting - Section 1 - Bullet 4Squealing or scraping noises.
Length (In)11.06
Signs Of Wear &#38; Troubleshooting - Section 1 - Bullet 5Brake pedal pulsation (not to be confused with normal ABS operation).
Abs Tone Ring IncludedNo
Part FitmentDirect Fit
Outside Diameter0.489
Faq - Question 3Do I have to replace my brake drums after a certain amount of time?
Faq - Question 2Does ACDelco offer other grades of brake drums?
Faq - Question 1Do I have to replace all my brake parts when replacing my brake drums?
Vendor Part Number18B515
Package Qty1
Package TypeEA
No Questions
No Reviews
Some parts are not legal for use in California or other states with similar laws / regulations
