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ACDelco 18B86 Brake Drum
for 1985 (please select make/model)

ACDelco 18B86 Brake Drum - 1985 Image 1
ACDelco 18B86 Brake Drum - 1985 Image 2
ACDelco 18B86 Brake Drum - 1985 Image 3
ACDelco 18B86 Brake Drum - 1985 Image 4
ACDelco 18B86 Brake Drum - 1985

ACDelco
Brand:ACDelco
Part Number: 18B86
UPC: 00036666683370
Weight: 8.5 lbs
Condition:New



On Sale:

$27.22

Availability:
2 in Stock
Warehouse: US-12
Quantity:

Product Information

Description:

Get the ACDelco 18B86 Brake Drum for your 1985. Buy now and secure your purchase online!

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

Features and Benefits:

  • 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

Specifications:

ABS Tone Ring Included:
No
Bolt Circle Diameter (in):
3.94 in
Bolt Circle Diameter (mm):
100 mm
Bolt Hole Quantity:
5
Brake Surface Finish:
Turned
Center Bore Diameter (in):
2.27in
Center Bore Diameter (mm):
57.6mm
Depth:
2.12 in.
Depth:
53.85 mm
Discard Thickness (in):
7.93 in
Discard Thickness (mm):
201.4 mm
Grade Type:
Regular
Height (in):
3.3 in
Length (in):
7.93 in
Material:
Cast Iron
Maximum Brake Diameter (Discard):
201.42 mm
Mount Hole Diameter (in):
0.567in
Mount Hole Diameter (mm):
14.402mm
Nominal Drum Diameter:
0.312 in.
Nominal Drum Diameter:
7.95 mm
Outer Cooling Fins:
No
Outside Diameter:
0.356 in.
Outside Diameter:
9.05 mm
Programming Required:
No
Stud/Lug Hole Diameter:
0.562 in.
Stud/Lug Hole Diameter:
14.25 mm
Stud/Lug Hole Quantity:
5
Weight:
8.5 lb
Width (in):
11.1 in

Features and Benefits:

  • – Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
  • – Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
  • – Check the thickness of your brake pads.
  • – Inspect the brake lines for rust, punctures, or visible leaks (You may be able to do this, but consult a qualified technician if necessary).
  • – Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
  • – Inspection of the brake hoses for brittleness or cracking.
  • – Inspection of wheel bearings and grease seals.
  • – Parking brake adjustments (as needed).
  • The following inspections and maintenance procedures can help prevent potential brake problems:
  • The following should be conducted by a qualified technician:

Specifications:

Country of Origin:
CA

Select a vehicle to narrow ACDelco 18B86 Brake Drum fitment info!

Last Updated: 03/03/2024

Years Vehicle Per Vehicle Position Fit NotesFitment Notes

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 
Buick Skyhawk

2.0L L4 Gas OHV
2
 
Rear
 
Professional
 

Buick Skyhawk



2.0L L4 Gas OHV

Rear Professional

2 Per Vehicle

1986

 

1985

 

1984

 

1986

 

1985

 

1984

 
Buick Skyhawk

1.8L L4 Gas SOHC Turbo
2
 
Rear
 
Professional
 

Buick Skyhawk



1.8L L4 Gas SOHC Turbo

Rear Professional

2 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1982

 

1986

 

1985

 

1984

 

1983

 

1982

 
Buick Skyhawk

1.8L L4 Gas SOHC
2
 
Rear
 
Professional
 

Buick Skyhawk



1.8L L4 Gas SOHC

Rear Professional

2 Per Vehicle

1985

 

1985

 
Buick Somerset Regal

2.5L L4 Gas OHV,
3.0L V6 Gas OHV
2
 
Rear
 
Professional
 

Buick Somerset Regal



2.5L L4 Gas OHV,
3.0L V6 Gas OHV

Rear Professional

2 Per Vehicle

1988

 

1987

 

1986

 

1985

 

1988

 

1987

 

1986

 

1985

 
Cadillac Cimarron

2.8L V6 Gas OHV
2
 
Rear
 
Professional
 

Cadillac Cimarron



2.8L V6 Gas OHV

Rear Professional

2 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1986

 

1985

 

1984

 

1983

 
Cadillac Cimarron

2.0L L4 Gas OHV
2
 
Rear
 
Professional
 

Cadillac Cimarron



2.0L L4 Gas OHV

Rear Professional

2 Per Vehicle

1989

 

1988

 

1987

 

1986

 

1985

 

1989

 

1988

 

1987

 

1986

 

1985

 
Chevrolet Cavalier

2.8L V6 Gas OHV
2
 
Rear
 
Professional
 

Chevrolet Cavalier



2.8L V6 Gas OHV

Rear Professional

2 Per Vehicle

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 
Chevrolet Cavalier

2.0L L4 Gas OHV
2
 
Rear
 
Professional
 

Chevrolet Cavalier



2.0L L4 Gas OHV

Rear Professional

2 Per Vehicle

1987

 

1986

 

1985

 

1987

 

1986

 

1985

 
Oldsmobile Calais

2.5L L4 Gas OHV,
3.0L V6 Gas OHV
2
 
Rear
 
Professional
 

Oldsmobile Calais



2.5L L4 Gas OHV,
3.0L V6 Gas OHV

Rear Professional

2 Per Vehicle

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 
Oldsmobile Firenza

2.0L L4 Gas OHV
2
 
Rear
 
Professional
 

Oldsmobile Firenza



2.0L L4 Gas OHV

Rear Professional

2 Per Vehicle

1987

 

1986

 

1985

 

1987

 

1986

 

1985

 
Oldsmobile Firenza

2.8L V6 Gas OHV
2
 
Rear
 
Professional
 

Oldsmobile Firenza



2.8L V6 Gas OHV

Rear Professional

2 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1982

 

1986

 

1985

 

1984

 

1983

 

1982

 
Oldsmobile Firenza

1.8L L4 Gas SOHC
2
 
Rear
 
Professional
 

Oldsmobile Firenza



1.8L L4 Gas SOHC

Rear Professional

2 Per Vehicle

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 
Pontiac Grand Am

2.5L L4 Gas OHV
2
 
Rear
 
Professional
 

Pontiac Grand Am



2.5L L4 Gas OHV

Rear Professional

2 Per Vehicle

1987

 

1986

 

1985

 

1987

 

1986

 

1985

 
Pontiac Grand Am

3.0L V6 Gas OHV
2
 
Rear
 
Professional
 

Pontiac Grand Am



3.0L V6 Gas OHV

Rear Professional

2 Per Vehicle

1985

 

1984

 

1985

 

1984

 
Pontiac J2000 Sunbird

1.8L L4 Gas SOHC,
1.8L L4 Gas SOHC Turbo,
2.0L L4 Gas OHV
2
 
Rear
 
Professional
 

Pontiac J2000 Sunbird



1.8L L4 Gas SOHC,
1.8L L4 Gas SOHC Turbo,
2.0L L4 Gas OHV

Rear Professional

2 Per Vehicle

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