ACDelco 18B136 | Rear Brake Drum

Part Number
18B136
Rear Brake Drum

Fits: 70 Chevrolet Monte Carlo, 84-87 Buick Century, 84-90 Chevrolet Celebrity, 84-86 Oldsmobile Cutlass Ciera, 84-91 Pontiac 6000, 89-03 Buick Century, 85-90 Buick Electra, 85-93 Cadillac Commercial Chassis, 85-93 Cadillac DeVille, 85-92 Cadillac Fleetwood, 85-96 Oldsmobile 98, 86-99 Buick LeSabre, 86-91 Oldsmobile Delta 88, 87-90 Oldsmobile Cutlass Cruiser, 87-99 Pontiac Bonneville, 91-96 Oldsmobile Cutlass Ciera, 93 Oldsmobile Cutlass Cruiser, 90-96 Chevrolet Lumina APV, 90-04 Oldsmobile Silhouette, 90-99 Pontiac Trans Sport, 91-96 Buick Park Avenue, 92-99 Oldsmobile 88, 93 Cadillac 60 Special, 95-99 Chevrolet Monte Carlo, 95-01 Chevrolet Lumina, 96-99 Oldsmobile LSS, 97-04 Chevrolet Malibu, 97-05 Chevrolet Venture, 97-99 Oldsmobile Cutlass, 97-98 Oldsmobile Regency, 99 Buick Regal, 99-05 Pontiac Grand Am, 99-05 Pontiac Montana, 02-03 Buick Regal, 03-04 Oldsmobile Alero, 04-05 Chevrolet Classic

Special Price $63.74 Regular Price $74.99
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In stock
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Estimated Ship Date: 1 Business Day or Less
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 - https://www.P65Warnings.ca.gov


BRAND: ACDelco




FEATURES:


  • Buick;Cadillac;Chevrolet;Oldsmobile;Pontiac
  • Follows original manufacturers' designs for dispersing heat, helping to prolong pad and rotor life while reducing noise and vibration
  • Independently tested with Noise/Vibration/Harshness (NVH) and durability/wear testing; resulting in high quality and reliable products
  • Inspected for balance; resulting in smooth brake operation and noise reduction


SPECIFICS:


ABS Sensor Ring IncludedNo
Bolt Circle Diameter (in)4.53
Bolt Circle Diameter (mm)115
Bolt Hole Quantity5
Brake Surface FinishTurned
Center Bore Diameter (in)2.78 in
Center Bore Diameter (mm)70.7 mm
Discard Thickness (in)8.91
Discard Thickness (mm)226.3
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 Advantage 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 - Bullet 4Check the thickness of your brake pads.
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:
Grade TypeRegular
Height (in)4.12
Length (in)8.91
MaterialCast Iron
Mount Hole Diameter (in)0.562 in
Mount Hole Diameter (mm)14.275 mm
Outer Cooling FinsYes
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)12.4
Width (in)11.12



DOWNLOADS:




APPLICATIONS:


  • 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
  • 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 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
  • 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 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
  • 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
Customer Questions
Does AC Delco make Ford parts?
No, AC Delco produces parts primarily for General Motors vehicles and does not make parts specifically for Ford vehicles.
Can I use AC Delco parts to replace OEM parts?
Yes, in most cases AC Delco parts can be used as a replacement for OEM parts. However, it's important to ensure that the parts are compatible with your specific make and model of vehicle.
What AC Delco oil filter do I need?
AC Delco offers a variety of oil filters that are compatible with different makes and models of vehicles. To determine which AC Delco oil filter you need, consult your vehicle's owner's manual or use our online filter lookup tool that matches the make, model, and year of your vehicle.
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