ACDELCO part description

Rear Brake Drum (B)

Product Description

Rear Brake Drum

Product Attributes

Material Cast Iron
Bolt Hole Quantity 6
Outside Diameter 342.8mm (13.5 in.)
Bolt Hole Diameter 14.884mm (0.586 in.)
Mount Type Regular Grade
Outer Cooling Fins No
Center Hole Diameter 106mm (4.17 in.)
Bolt Circle Diameter 139.7mm (5.5 in.)
ABS Sensor Ring Included No
Drum Type Turned
Maximum Diameter 297mm (11.69 in.)
Maximum Diameter 297mm (11.69 in.)
Programming Required No
Programming Required No
Quantity 1 per Pack
Quantity 1 per Pack
Type Plain Cooling Fins
Type Plain Cooling Fins
Mount Hole Diameter (in) 0.586in
Center Bore Diameter (in) 4.17in
Bolt Circle Diameter 5.5 IN
Discard Thickness (in) 11.69 in
Width (in) 14.4 in
Length (In) 14.5 IN
Height (in) 14.7 in
Mount Hole Diameter (mm) 14.884mm
Weight 21.1 lb
Center Bore Diameter (mm) 106mm
Bolt Circle Diameter 139.7 MM
Discard Thickness (mm) 297 mm
Depth 2.52 IN
Depth 64 MM
Product Description ACDelco 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. &#9888;<b> WARNING:</b> Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Signs of Wear & Troubleshooting - Section 1 - Bullet 5 Brake pedal pulsation (not to be confused with normal ABS operation).
Good Maintenance Practices - Section 1 - Bullet 2 Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
Good Maintenance Practices - Section 1 - Bullet 1 Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
Good Maintenance Practices - Section 1 - Bullet 4 Check the thickness of your brake pads.
FAQ - Question 1 Do I have to replace all my brake parts when replacing my brake drums?
FAQ - Question 3 Do I have to replace my brake drums after a certain amount of time?
FAQ - Question 2 Does ACDelco offer other grades of brake drums?
Features & Benefits - Bullet 3 Follows original manufacturers' designs for dispersing heat, helping to prolong pad and rotor life while reducing noise and vibration
Features & Benefits - Bullet 2 Independently tested with Noise/Vibration/Harshness (NVH) and durability/wear testing; resulting in high quality and reliable products
Good Maintenance Practices - Section 1 - Bullet 3 Inspect the brake lines for rust, punctures, or visible leaks (You may be able to do this, but consult a qualified technician if necessary).
Features & Benefits - Bullet 1 Inspected for balance; resulting in smooth brake operation and noise reduction
Good Maintenance Practices - Section 2 - Bullet 2 Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
Good Maintenance Practices - Section 2 - Bullet 1 Inspection of the brake hoses for brittleness or cracking.
Good Maintenance Practices - Section 2 - Bullet 3 Inspection of wheel bearings and grease seals.
FAQ - Answer 3 No, but it is a good idea to inspect them at every tire rotation.
FAQ - Answer 1 No, but it is a good idea to inspect them for wear-out, cracking, leaking etc.
Good Maintenance Practices - Section 2 - Bullet 4 Parking brake adjustments (as needed).
Grade Type Regular
Signs of Wear & Troubleshooting - Section 1 - Bullet 4 Squealing or scraping noises.
Good Maintenance Practices - Section 1 - Header The following inspections and maintenance procedures can help prevent potential brake problems:
Good Maintenance Practices - Section 2 - Header The following should be conducted by a qualified technician:
Brake Surface Finish Turned
FAQ - Answer 2 Yes, ACDelco also offers GM OE and Advantage brake drums.
Inside Diameter 11.614 IN
Inside Diameter 295 MM
Nominal Drum Diameter 0.457 IN
Nominal Drum Diameter 11.6 MM
Outside Diameter 0.531 IN
Outside Diameter 13.5 MM
Stud/Lug Hole Diameter 0.566 IN
Stud/Lug Hole Diameter 14.4 MM
Stud/Lug Hole Quantity 6
ABS Tone Ring Included No

Additional Information

Warranty Special 24 Months/Unlimited Miles Limited Warranty (Parts Only). Please see ACDelco.com for more details|24 Months/40,000 Kilometers Limited Warranty (Parts Only). Please see ACDelcocanada.com for more details
Harmonized Tariff Code (HTS) 8708305020
Country of Origin (Primary) CN
Warranty Special UOM TX
UPC 00707773781647

A true OEM auto parts brand for GM and non-GM vehicles, ACDelco® offers a wide portfolio of parts designed to keep vehicles on the road longer. These parts work precisely and fit perfectly because they are designed, engineered, tested, and backed by General Motors. But ACDelco also carries aftermarket components that go through the same 18-step quality approval process as the OE parts. Whether customers choose OE or aftermarket, they’d get the same reliable performance, precise engineering, and superior reliability for years to come. ACDelco’s expansive product portfolio includes alternators, filters, batteries, brakes, belts and hoses, oil and fluids, and suspension parts. These products are made to meet GM and non-GM vehicles’ ever-evolving powertrain, collision, maintenance, and repair needs.

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