Brands Vehicles

Lowest Prices

Free Returns

Online Since 2009

JOIN GEARS TO SAVE 5%

ACDelco 18B84 Brake Drum
for 1985 (please select make/model)


Brand:	ACDelco
Part Number:	18B84
UPC:	00036666683356
Weight:	11.25 lbs
Condition:	New

On Sale:

$68.36

Availability:

3 in Stock

Warehouse:

US-12

Quantity:

Product Information

Description:

BRK DRUM (GSMP)

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:

Bolt Circle Diameter (in):

3.94 in

Bolt Circle Diameter (mm):

100 mm

Bolt Hole Quantity:

Brake Surface Finish:

Turned

Center Bore Diameter (in):

2.27in

Center Bore Diameter (mm):

57.6mm

Depth:

2.4 in.

Depth:

60.95 mm

Discard Thickness (in):

8.95 in

Discard Thickness (mm):

227.3 mm

Grade Type:

Regular

Height (in):

3.3 in

Length (in):

8.95 in

Material:

Cast Iron

Maximum Brake Diameter (Discard):

227.33 mm

Mount Hole Diameter (in):

0.567in

Mount Hole Diameter (mm):

14.402mm

Nominal Drum Diameter:

0.352 in.

Nominal Drum Diameter:

8.95 mm

Outer Cooling Fins:

Outside Diameter:

0.401 in.

Outside Diameter:

10.2 mm

Programming Required:

Stud/Lug Hole Diameter:

0.562 in.

Stud/Lug Hole Diameter:

14.25 mm

Stud/Lug Hole Quantity:

Weight:

11.25 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:

Select a vehicle to narrow ACDelco 18B84 Brake Drum fitment info!

Last Updated: 03/03/2024

Years

Vehicle

Per Vehicle

Position

Fit Notes

Fitment Notes

1985

Buick Century

2.5L L4 Gas OHV

2 Rear

Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

Buick Century

2.5L L4 Gas OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

2 Per Vehicle

1985

Buick Century

2.5L L4 Gas OHV

2 Rear

Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

Buick Century

2.5L L4 Gas OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

2 Per Vehicle

1985

Buick Century

3.8L V6 Gas OHV

2 Rear

Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

Buick Century

3.8L V6 Gas OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

2 Per Vehicle

1985

Buick Century

3.8L V6 Gas OHV

2 Rear

Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

Buick Century

3.8L V6 Gas OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

2 Per Vehicle

1985

Buick Century

3.0L V6 Gas OHV,
4.3L V6 Diesel OHV

2 Rear

Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

Buick Century

3.0L V6 Gas OHV,
4.3L V6 Diesel OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

2 Per Vehicle

1985

Buick Century

3.0L V6 Gas OHV,
4.3L V6 Diesel OHV

2 Rear

Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

Buick Century

3.0L V6 Gas OHV,
4.3L V6 Diesel OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

2 Per Vehicle

1985

Chevrolet Celebrity

2.5L L4 Gas OHV,
2.8L V6 Gas OHV

2 Rear

Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

Chevrolet Celebrity

2.5L L4 Gas OHV,
2.8L V6 Gas OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

2 Per Vehicle

1985

Chevrolet Celebrity

2.5L L4 Gas OHV,
2.8L V6 Gas OHV

2 Rear

Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

Chevrolet Celebrity

2.5L L4 Gas OHV,
2.8L V6 Gas OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

2 Per Vehicle

1985

Chevrolet Celebrity

4.3L V6 Diesel OHV

2 Rear

Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

Chevrolet Celebrity

4.3L V6 Diesel OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

2 Per Vehicle

1985

Chevrolet Celebrity

4.3L V6 Diesel OHV

2 Rear

Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

Chevrolet Celebrity

4.3L V6 Diesel OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

2 Per Vehicle

1985

Oldsmobile Cutlass Ciera

2.5L L4 Gas OHV

2 Rear

Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

Oldsmobile Cutlass Ciera

2.5L L4 Gas OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

2 Per Vehicle

1985

Oldsmobile Cutlass Ciera

2.5L L4 Gas OHV

2 Rear

Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

Oldsmobile Cutlass Ciera

2.5L L4 Gas OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

2 Per Vehicle

1985

Oldsmobile Cutlass Ciera

3.8L V6 Gas OHV

2 Rear

Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

Oldsmobile Cutlass Ciera

3.8L V6 Gas OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

2 Per Vehicle

1985

Oldsmobile Cutlass Ciera

3.8L V6 Gas OHV

2 Rear

Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

Oldsmobile Cutlass Ciera

3.8L V6 Gas OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

2 Per Vehicle

1985

Oldsmobile Cutlass Ciera

3.0L V6 Gas OHV,
4.3L V6 Diesel OHV

2 Rear

Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

Oldsmobile Cutlass Ciera

3.0L V6 Gas OHV,
4.3L V6 Diesel OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

2 Per Vehicle

1985

Oldsmobile Cutlass Ciera

3.0L V6 Gas OHV,
4.3L V6 Diesel OHV

2 Rear

Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

Oldsmobile Cutlass Ciera

3.0L V6 Gas OHV,
4.3L V6 Diesel OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

2 Per Vehicle

1985

Pontiac 6000

2.5L L4 Gas OHV

2 Rear

Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

Pontiac 6000

2.5L L4 Gas OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

2 Per Vehicle

1985

Pontiac 6000

2.8L V6 Gas OHV

2 Rear

Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

Pontiac 6000

2.8L V6 Gas OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

2 Per Vehicle

1987

1986

1985

1987

1986

1985

Pontiac 6000

2.5L L4 Gas OHV,
2.8L V6 Gas OHV

2 Rear

Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

Pontiac 6000

2.5L L4 Gas OHV,
2.8L V6 Gas OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

2 Per Vehicle

1985

Pontiac 6000

4.3L V6 Diesel OHV

2 Rear

Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

Pontiac 6000

4.3L V6 Diesel OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

2 Per Vehicle

1985

Pontiac 6000

4.3L V6 Diesel OHV

2 Rear

Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

Pontiac 6000

4.3L V6 Diesel OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

2 Per Vehicle

Didn't find a match for your vehicle?

See Other Choices

ACDelco 18B84 Brake Drumfor 1985 (please select make/model)

$68.36

Product Information

Description:

Features and Benefits:

Specifications:

Features and Benefits:

Specifications:

Select a vehicle to narrow ACDelco 18B84 Brake Drum fitment info!

1985

1985

Buick Century 2.5L L4 Gas OHV

2

Rear

Professionalwith Light Duty Brakes GM Brake Code JA1Coupe2 Doors

Buick Century

2.5L L4 Gas OHV Rear Professionalwith Light Duty Brakes GM Brake Code JA1Coupe2 Doors 2 Per Vehicle

1985

1985

Buick Century 2.5L L4 Gas OHV

2

Rear

Professionalwith Light Duty Brakes GM Brake Code JA1Sedan4 Doors

Buick Century

2.5L L4 Gas OHV Rear Professionalwith Light Duty Brakes GM Brake Code JA1Sedan4 Doors 2 Per Vehicle

1985

1985

Buick Century 3.8L V6 Gas OHV

2

Rear

Professionalwith Light Duty Brakes GM Brake Code JA1Coupe2 Doors

Buick Century

3.8L V6 Gas OHV Rear Professionalwith Light Duty Brakes GM Brake Code JA1Coupe2 Doors 2 Per Vehicle

1985

1985

Buick Century 3.8L V6 Gas OHV

2

Rear

Professionalwith Light Duty Brakes GM Brake Code JA1Sedan4 Doors

Buick Century

3.8L V6 Gas OHV Rear Professionalwith Light Duty Brakes GM Brake Code JA1Sedan4 Doors 2 Per Vehicle

1985

1985

Buick Century 3.0L V6 Gas OHV,4.3L V6 Diesel OHV

2

Rear

Professionalwith Light Duty Brakes GM Brake Code JA1Coupe2 Doors

Buick Century

3.0L V6 Gas OHV,4.3L V6 Diesel OHV Rear Professionalwith Light Duty Brakes GM Brake Code JA1Coupe2 Doors 2 Per Vehicle

1985

1985

Buick Century 3.0L V6 Gas OHV,4.3L V6 Diesel OHV

2

Rear

Professionalwith Light Duty Brakes GM Brake Code JA1Sedan4 Doors

Buick Century

3.0L V6 Gas OHV,4.3L V6 Diesel OHV Rear Professionalwith Light Duty Brakes GM Brake Code JA1Sedan4 Doors 2 Per Vehicle

1985

1985

Chevrolet Celebrity 2.5L L4 Gas OHV,2.8L V6 Gas OHV

2

Rear

Professionalwith Light Duty Brakes GM Brake Code JA1Sedan4 Doors

Chevrolet Celebrity

2.5L L4 Gas OHV,2.8L V6 Gas OHV Rear Professionalwith Light Duty Brakes GM Brake Code JA1Sedan4 Doors 2 Per Vehicle

1985

1985

Chevrolet Celebrity 2.5L L4 Gas OHV,2.8L V6 Gas OHV

2

Rear

Professionalwith Light Duty Brakes GM Brake Code JA1Coupe2 Doors

Chevrolet Celebrity

2.5L L4 Gas OHV,2.8L V6 Gas OHV Rear Professionalwith Light Duty Brakes GM Brake Code JA1Coupe2 Doors 2 Per Vehicle

1985

1985

Chevrolet Celebrity 4.3L V6 Diesel OHV

2

Rear

Professionalwith Light Duty Brakes GM Brake Code JA1Coupe2 Doors

Chevrolet Celebrity

ACDelco 18B84 Brake Drum
for 1985 (please select make/model)

Buick Century

2.5L L4 Gas OHV

Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

2.5L L4 Gas OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

2 Per Vehicle

Buick Century

2.5L L4 Gas OHV

Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

2.5L L4 Gas OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

2 Per Vehicle

Buick Century

3.8L V6 Gas OHV

Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

3.8L V6 Gas OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

2 Per Vehicle

Buick Century

3.8L V6 Gas OHV

Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

3.8L V6 Gas OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

2 Per Vehicle

Buick Century

3.0L V6 Gas OHV,
4.3L V6 Diesel OHV

Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

3.0L V6 Gas OHV,
4.3L V6 Diesel OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

2 Per Vehicle

Buick Century

3.0L V6 Gas OHV,
4.3L V6 Diesel OHV

Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

3.0L V6 Gas OHV,
4.3L V6 Diesel OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

2 Per Vehicle

Chevrolet Celebrity

2.5L L4 Gas OHV,
2.8L V6 Gas OHV

Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

2.5L L4 Gas OHV,
2.8L V6 Gas OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

2 Per Vehicle

Chevrolet Celebrity

2.5L L4 Gas OHV,
2.8L V6 Gas OHV

Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

2.5L L4 Gas OHV,
2.8L V6 Gas OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

2 Per Vehicle

Chevrolet Celebrity

4.3L V6 Diesel OHV

Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

4.3L V6 Diesel OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

2 Per Vehicle

Chevrolet Celebrity

4.3L V6 Diesel OHV

Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

4.3L V6 Diesel OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Sedan
4 Doors

2 Per Vehicle

Oldsmobile Cutlass Ciera

2.5L L4 Gas OHV

Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

2.5L L4 Gas OHV

Rear Professional
with Light Duty Brakes
GM Brake Code JA1
Coupe
2 Doors

2 Per Vehicle