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Rear Brake Drum - ACDelco (18B266)
Sale Price$25.96
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. ⚠ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
brake-drum;drum;brakes
brake-drum;drum;brakes
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Product Details
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. ⚠ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
brake-drum;drum;brakes
brake-drum;drum;brakes
Part Number (MPN)
18B266
Brand
SKU
18B266
UPC / GTIN
036666685183 / 00036666685183
Condition
New
Other Names
18028579
Position
Rear
Brand
ACDelco Professional
ABS Tone Ring Included
No
Bolt Circle Diameter (in)
3.94
Bolt Circle Diameter (mm)
100
Bolt Hole Quantity
4
Brake Surface Finish
Turned
Center Bore Diameter (in)
2.41in
Center Bore Diameter (mm)
61.1mm
Depth
38.85<br />1.53
Discard Thickness (in)
7.13
Discard Thickness (mm)
181
FAQ - Answer 1
No, but it is a good idea to inspect them for wear-out, cracking, leaking etc.
FAQ - Answer 2
Yes, ACDelco also offers GM OE and Advantage brake drums.
FAQ - Answer 3
No, but it is a good idea to inspect them at every tire rotation.
FAQ - Question 1
Do I have to replace all my brake parts when replacing my brake drums?
FAQ - Question 2
Does ACDelco offer other grades of brake drums?
FAQ - Question 3
Do I have to replace my brake drums after a certain amount of time?
Features & Benefits - Bullet 1
Inspected for balance; resulting in smooth brake operation and noise reduction
Features & Benefits - Bullet 2
Independently tested with Noise/Vibration/Harshness (NVH) and durability/wear testing; resulting in high quality and reliable products
Features & Benefits - Bullet 3
Follows original manufacturers' designs for dispersing heat, helping to prolong pad and rotor life while reducing noise and vibration
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 2
Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
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).
Good Maintenance Practices - Section 1 - Bullet 4
Check the thickness of your brake pads.
Good Maintenance Practices - Section 1 - Header
The following inspections and maintenance procedures can help prevent potential brake problems:
Good Maintenance Practices - Section 2 - Bullet 1
Inspection of the brake hoses for brittleness or cracking.
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 3
Inspection of wheel bearings and grease seals.
Good Maintenance Practices - Section 2 - Bullet 4
Parking brake adjustments (as needed).
Good Maintenance Practices - Section 2 - Header
The following should be conducted by a qualified technician:
Grade Type
Regular
Height (in)
2.8
Length (in)
7.13
Material
Cast Iron
Maximum Brake Diameter (Discard)
181.1
Measurements
230 X 47.5 mm
Mount Hole Diameter (in)
0.493in
Mount Hole Diameter (mm)
12.522mm
Nominal Drum Diameter
0.281<br />7.15
Outer Cooling Fins
No
Outside Diameter
0.335<br />8.5
Programming Required
No
Signs of Wear & Troubleshooting - Section 1 - Bullet 1
Reduced braking force.
Signs of Wear & Troubleshooting - Section 1 - Bullet 2
Low brake pedal height.
Signs of Wear & Troubleshooting - Section 1 - Bullet 3
Increased stopping distances.
Signs of Wear & Troubleshooting - Section 1 - Bullet 4
Squealing or scraping noises.
Signs of Wear & Troubleshooting - Section 1 - Bullet 5
Brake pedal pulsation (not to be confused with normal ABS operation).
Signs of Wear & Troubleshooting - Section 1 - Header
Brake Drum signs of wear include:
Stud/Lug Hole Diameter
0.485<br />12.3
Stud/Lug Hole Quantity
4
Weight
7.5
Width (in)
10.8
| Year | Make | Model | Body & Trim | Engine & Transmission |
|---|---|---|---|---|
Vehicle #1
Year
Make
Model
Body & Trim
Engine & Transmission
| Brand | Equivalent Part Numbers |
|---|---|
BrandEquivalent Part Numbers
GM
18028579
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