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ACDelco 18b136a | Rear Brake Drum
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ACDelco 18b136a | Rear Brake Drum

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$39.99
Part Number
ACD18B136A
UPC:
707773625705
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:

  • Buick;Cadillac;Chevrolet;Oldsmobile;Pontiac
  • 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)4.528
Bolt Circle Diameter (mm)115
Bolt Hole Quantity5
Brake Surface FinishDirectional
Center Bore Diameter (in)2.8 in
Center Bore Diameter (mm)71.1 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)3
Includes ABS Sensor RingNo
Length (in)11.5
MaterialCast Iron
Mount Hole Diameter (in)0.562 in
Mount Hole Diameter (mm)14.275 mm
Nominal Brake Drum Diameter (in)8.86 in
Nominal Brake Drum Diameter (mm)226.1 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)14
Width (in)12.3

DOWNLOADS:

APPLICATIONS:

  • 1995-1996 Oldsmobile 98 - Position: Rear
  • 1993-1993 Cadillac 60 Special - Position: Rear
    • w/ 225mm X 45mm Brakes GM Brake Code J41,JM4
  • 1997-1999 Oldsmobile Cutlass - Position: Rear
  • 1984-1987 Buick Century - Position: Rear
  • 1985-1989 Cadillac Fleetwood - Position: Rear
    • with 8-55/64in x 1-49/64in Brakes with Cast Iron Drum
  • 1996-1999 Oldsmobile LSS - Position: Rear
  • 2004-2005 Chevrolet Classic - Position: Rear
  • 1988-1990 Oldsmobile Cutlass Cruiser - Position: Rear
  • 1995-2001 Chevrolet Lumina - Position: Rear
  • 1986-1993 Buick LeSabre - Position: Rear
    • with Cast Iron Drum
  • 1991-1991 Buick Park Avenue - Position: Rear
    • with Cast Iron Drum
  • 1990-1993 Cadillac Commercial Chassis - Position: Rear
    • w/ 8.86" X 1.77" Brakes
  • 1992-1992 Oldsmobile Cutlass Ciera - Position: Rear
    • with Finned Drum
  • 1990-1996 Chevrolet Lumina APV - Position: Rear
    • with Cast Iron Drum
  • 1993-1993 Oldsmobile Cutlass Cruiser - Position: Rear
  • 1997-2004 Chevrolet Malibu - Position: Rear
  • 1996-1999 Pontiac Bonneville - Position: Rear
  • 1984-1991 Pontiac 6000 - Position: Rear
  • 1985-1989 Cadillac Commercial Chassis - Position: Rear
  • 1990-2004 Oldsmobile Silhouette - Position: Rear
  • 1985-1989 Cadillac DeVille - Position: Rear
    • w/ 225mm X 45mm Brakes with Cast Iron Drum
  • 1985-1994 Oldsmobile 98 - Position: Rear
    • with Cast Iron Drum
  • 1992-1992 Buick Century - Position: Rear
    • with Finned Drum
  • 1991-1996 Oldsmobile Cutlass Ciera - Position: Rear
  • 1999-2005 Pontiac Grand Am - Position: Rear
  • 2002-2003 Buick Regal - Position: Rear
  • 1987-1995 Pontiac Bonneville - Position: Rear
    • with Cast Iron Drum
  • 1990-1999 Pontiac Trans Sport - Position: Rear
  • 1970-1970 Chevrolet Monte Carlo - Position: Rear
    • w/ 225mm X 45mm Brakes Cut Out Axle Cover Non-Flared Center Hole w/ Pontiac Axle
  • 1990-1993 Cadillac DeVille - Position: Rear
    • w/ 225mm X 45mm Brakes
  • 1992-1996 Buick Park Avenue - Position: Rear
  • 1996-1999 Oldsmobile 88 - Position: Rear
  • 1990-1992 Cadillac Fleetwood - Position: Rear
    • w/ 225mm X 45mm Brakes GM Brake Code J41,JM4
  • 1999-2005 Pontiac Montana - Position: Rear
  • 1997-1998 Oldsmobile Regency - Position: Rear
  • 2003-2004 Oldsmobile Alero - Position: Rear
  • 1994-1999 Buick LeSabre - Position: Rear
  • 1997-2005 Chevrolet Venture - Position: Rear
  • 1984-1986 Oldsmobile Cutlass Ciera - Position: Rear
  • 1989-2003 Buick Century - Position: Rear
  • 1987-1987 Oldsmobile Cutlass Cruiser - Position: Rear
    • Replace in Pairs
  • 1999-1999 Buick Regal - Position: Rear
  • 1984-1990 Chevrolet Celebrity - Position: Rear
  • 1992-1995 Oldsmobile 88 - Position: Rear
    • with 8-55/64in x 1-49/64in Brakes with Cast Iron Drum
  • 1995-1999 Chevrolet Monte Carlo - Position: Rear
  • 1986-1991 Oldsmobile Delta 88 - Position: Rear
    • with 8-55/64in x 1-49/64in Brakes with Cast Iron Drum
  • 1985-1990 Buick Electra - Position: Rear
    • with Cast Iron Drum

Attributes
Product type:
Aftermarket
Brand Description:
Rear Brake Drum
Bolt Hole Quantity:
5
Outside Diameter (Inch):
10.9
Material:
Cast Iron
Programming Required:
No
Maximum Brake Diameter (Discard) (Inch):
8.91
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):
14
Height (in) (Inch):
3
Width (in) (Inch):
12.3
Length (in) (Inch):
11.5
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:
00707773625705
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):
276.86
Good Maintenance Practices - Section 2 - Header:
The following should be conducted by a qualified technician:
Mount Hole Diameter (in):
0.562 in
Mount Hole Diameter (mm):
14.275 mm
Center Bore Diameter (in):
2.8 in
Center Bore Diameter (mm):
71.1 mm
Bolt Circle Diameter (in) (Inch):
4.528
Bolt Circle Diameter (mm) (Millimeter):
115
Includes ABS Sensor Ring:
No
Maximum Brake Diameter (Discard) (Millimeter):
226.31
Nominal Brake Drum Diameter (in):
8.86 in
Nominal Brake Drum Diameter (mm):
226.1 mm
Cooling Fins:
Yes
Country of Origin:
China
Weight - Each (Gross Pounds):
14.00
Height - Each (Inch):
03.00
Length - Each (Inch):
11.50
Width - Each (Inch):
12.30



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