Name: ACDelco 18B40 DRUM ASMRR BRK
SKU: 18b40
Price: 88.49 USD
Availability: InStock

ACDELCO part description

DRUM ASMRR BRK

Product Description

Brake Drum

Product Attributes

Mount Hole Diameter (in)	0.63in
Height (in)	4 in
Center Bore Diameter (in)	4.6in
Bolt Circle Diameter	6.5 IN
Bolt Hole Quantity	8
Measurements	11 5/32 X 2 3/4 in
Nominal Drum Diameter	0.441 IN
Discard Thickness (in)	11.21 in
Length (In)	11.21 IN
Width (in)	14.6 in
Mount Hole Diameter (mm)	16.002mm
Weight	26.35 lb
Center Bore Diameter (mm)	116.8mm
Bolt Circle Diameter	165.1 MM
Depth	89.4 MM
Discard Thickness (mm)	284.7 mm
Maximum Brake Diameter (Discard)	284.73 MM
Depth	3.52 IN
Nominal Drum Diameter	11.2 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. ⚠<b> WARNING:</b> Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Good Maintenance Practices - Section 1 - Bullet 2	Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
Material	Cast Iron
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
Signs of Wear & Troubleshooting - Section 1 - Bullet 1	Squealing or scraping noises.
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.
Signs of Wear & Troubleshooting - Section 1 - Bullet 2	Brake pedal pulsation (not to be confused with normal ABS operation).
Programming Required	No
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
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
Outer Cooling Fins	Yes
FAQ - Answer 2	Yes, ACDelco also offers GM OE and Advantage brake drums.
Outside Diameter	0.539 IN
Outside Diameter	13.7 MM
Stud/Lug Hole Diameter	0.622 IN
Stud/Lug Hole Diameter	15.8 MM
Stud/Lug Hole Quantity	8
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 2	CN
Country of Origin (Primary)	US
Warranty Special UOM	TX
UPC	00036666682922

Fits Vehicles

GMC G35 (1975-1978)
GMC K25/K2500 Suburban (1972-1974)
GMC K2500 (1979-1980)
GMC C25 Suburban (1975-1978)
GMC K25 Suburban (1975-1978)
GMC C25/C2500 Suburban (1973-1974)
GMC K25 (1975-1978)
GMC K2500 Suburban (1979-1980)
GMC K25/K2500 Pickup (1972-1974)
GMC G3500 (1979-1984)
GMC C2500 Suburban (1979-1980)
Chevrolet K20 (1975-1980)
Chevrolet G30 (1975-1984)
Chevrolet G30 Van (1974)
Chevrolet K20 Pickup (1973-1974)
Chevrolet K20 Suburban (1972-1980)
GMC G35/G3500 Van (1974)
GMC P25/P2500 Van (1973-1974)
GMC P25 (1975-1978)
GMC C2500 (1979-1980)
GMC P2500 (1979-1980)
GMC C25/C2500 Pickup (1973-1974)
GMC C25 (1975-1978)
Chevrolet P20 (1975-1980)
Chevrolet P20 Van (1973-1974)
Chevrolet C20 (1975-1980)
Chevrolet C20 Suburban (1973-1980)
Chevrolet C20 Pickup (1973-1974)

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.