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ACDelco 18b276a | Rear Brake Drum
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ACDelco 18b276a | Rear Brake Drum

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$76.99
Part Number
ACD18B276A
UPC:
707773625743
Condition:
New
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Description

ACDelco Advantage Brake Drums are constructed with G3000 material for maximum service life. They are validated for balance to provide better braking performance. Chamfer angle, vane configuration, and plate thickness all follow the OE design. Also, no machining is required. ACDelco Advantage Brake Drums are ready to be installed right out of the box. ? WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

BRAND: ACDelco

FEATURES:

  • Chevrolet;GMC
  • Drums are inspected for balance; resulting in smooth brake operation and noise reduction
  • Mill-balanced for proper rotor function, no extra weights are needed
  • Non-directional brake surface finish for consistent braking
  • Quality validated for proper metallurgy and correct brake plate thickness

SPECIFICS:

Bolt Circle Diameter (in)5
Bolt Circle Diameter (mm)127
Bolt Hole Quantity5
Brake Surface FinishDirectional
Center Bore Diameter (in)3.1 in
Center Bore Diameter (mm)78.7 mm
Cooling FinsYes
FAQ - Answer 1No, but it is a good idea to inspect them for wear-out, cracking, leaking, etc.
FAQ - Answer 2Yes, ACDelco also offers GM OE and Professional brake drums.
FAQ - Answer 3No, but it is a good idea to inspect them at every tire rotation.
FAQ - Question 1Do I have to replace all my brake parts when replacing my brake drums?
FAQ - Question 2Does ACDelco offer other grades of brake drums?
FAQ - Question 3Do I have to replace my brake drums after a certain amount of time?
Good Maintenance Practices - Section 1 - Bullet 1Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
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).
Good Maintenance Practices - Section 1 - HeaderThe following inspections and maintenance procedures can help prevent potential brake problems:
Good Maintenance Practices - Section 2 - Bullet 1Inspection of the brake hoses for brittleness or cracking.
Good Maintenance Practices - Section 2 - Bullet 2Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
Good Maintenance Practices - Section 2 - Bullet 3Inspection of wheel bearings and grease seals.
Good Maintenance Practices - Section 2 - Bullet 4Parking brake adjustments (as needed).
Good Maintenance Practices - Section 2 - HeaderThe following should be conducted by a qualified technician:
Height (in)4.72
Includes ABS Sensor RingNo
Length (in)13.66
MaterialCast Iron
Mount Hole Diameter (in)0.586 in
Mount Hole Diameter (mm)14.884 mm
Nominal Brake Drum Diameter (in)11.15 in
Nominal Brake Drum Diameter (mm)281.9 mm
Programming RequiredNo
Signs of Wear & Troubleshooting - Section 1 - Bullet 4Squealing or scraping noises.
Signs of Wear & Troubleshooting - Section 1 - Bullet 5Brake pedal pulsation (not to be confused with normal ABS operation).
Weight (lb)25
Width (in)13.66

DOWNLOADS:

APPLICATIONS:

  • 1992-1998 GMC C1500 - Position: Rear
    • w/ 11" Brakes
  • 1999-1999 GMC C1500 Suburban - Position: Rear
    • w/ Chassis Performance Package 11 5/32" X 2 3/4" Brake Shoe
  • 1996-2002 Chevrolet Express 1500 - Position: Rear
  • 2000-2000 Chevrolet Suburban 1500 - Position: Rear
    • with 11-5/32in Brakes w/ Z60 Chassis Performance Package
  • 1992-1996 Chevrolet C1500 Suburban - Position: Rear
    • 11 5/32" X 2 3/4" Brake Shoe
  • 1996-2002 GMC Savana 1500 - Position: Rear
  • 1992-1998 GMC C1500 Suburban - Position: Rear
    • 11 5/32" X 2 3/4" Brake Shoe
  • 1997-1999 Chevrolet C1500 Suburban - Position: Rear
    • w/ 11.15" X 2.75" Brakes
  • 1995-2000 Chevrolet Tahoe - Position: Rear
    • w/ 11" Brakes
  • 1999-1999 GMC Yukon - Position: Rear
    • w/ 11" Brakes 5 Stud Rotor
  • 1992-1999 Chevrolet C1500 - Position: Rear
    • w/ 11" Brakes

Attributes
Product type:
Aftermarket
Brand Description:
Rear Brake Drum
Bolt Hole Quantity:
5
Outside Diameter (Inch):
13.34
Material:
Cast Iron
Programming Required:
No
Maximum Brake Diameter (Discard) (Inch):
11.21
Brake Surface Finish:
Directional
Hazardous Material:
No
Minimum Order Quantity:
1
Features & Benefits - Bullet 2:
Drums are inspected for balance; resulting in smooth brake operation and noise reduction
Features & Benefits - Bullet 4:
Non-directional brake surface finish for consistent braking
Features & Benefits - Bullet 3:
Quality validated for proper metallurgy and correct brake plate thickness
Features & Benefits - Bullet 1:
Mill-balanced for proper rotor function, no extra weights are needed
Weight (lb) (Pound):
25
Height (in) (Inch):
4.72
Width (in) (Inch):
13.66
Length (in) (Inch):
13.66
Signs of Wear & Troubleshooting - Section 1 - Bull:
Brake pedal pulsation (not to be confused with normal ABS operation).
Signs of Wear & Troubleshooting - Section 1 - Bull:
Squealing or scraping noises.
FAQ - Answer 2:
Yes, ACDelco also offers GM OE and Professional brake drums.
Life Cycle Status:
Announced
FAQ - Question 3:
Do I have to replace my brake drums after a certain amount of time?
Life Cycle Status Description:
Announced - Part has been announced to customers on a paper “New Number Announcement”. Part is active.
FAQ - Question 1:
Do I have to replace all my brake parts when replacing my brake drums?
Item Level GTIN:
00707773625743
FAQ - Question 2:
Does ACDelco offer other grades of brake drums?
FAQ - Answer 1:
No, but it is a good idea to inspect them for wear-out, cracking, leaking, etc.
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).
FAQ - Answer 3:
No, but it is a good idea to inspect them at every tire rotation.
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).
Outside Diameter (Millimeter):
338.84
Good Maintenance Practices - Section 2 - Header:
The following should be conducted by a qualified technician:
Mount Hole Diameter (in):
0.586 in
Mount Hole Diameter (mm):
14.884 mm
Center Bore Diameter (in):
3.1 in
Center Bore Diameter (mm):
78.7 mm
Bolt Circle Diameter (in) (Inch):
5
Bolt Circle Diameter (mm) (Millimeter):
127
Includes ABS Sensor Ring:
No
Maximum Brake Diameter (Discard) (Millimeter):
284.73
Nominal Brake Drum Diameter (in):
11.15 in
Nominal Brake Drum Diameter (mm):
281.9 mm
Cooling Fins:
Yes
Country of Origin:
China
Weight - Each (Gross Pounds):
25.00
Height - Each (Inch):
04.72
Length - Each (Inch):
13.66
Width - Each (Inch):
13.66



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