Brands Vehicles
Lowest Prices
Free Returns
Online Since 2009

ACDelco 18B90 Brake Drum

ACDelco 18B90 Brake Drum Image 1
ACDelco 18B90 Brake Drum Image 2
ACDelco 18B90 Brake Drum Image 3
ACDelco 18B90 Brake Drum Image 4
ACDelco 18B90 Brake Drum

ACDelco
Brand:ACDelco
Part Number: 18B90
UPC: 00036666683417
Weight: 11.5 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

BRK DRUM (SLP)

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):
4.53 in
Bolt Circle Diameter (mm):
115 mm
Bolt Hole Quantity:
5
Brake Surface Finish:
Turned
Center Bore Diameter (in):
2.78in
Center Bore Diameter (mm):
70.7mm
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:
No
Outside Diameter:
0.401 in.
Outside Diameter:
10.2 mm
Programming Required:
No
Stud/Lug Hole Diameter:
0.562 in.
Stud/Lug Hole Diameter:
14.25 mm
Stud/Lug Hole Quantity:
5
Weight:
11.5 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 18B90 Brake Drum fitment info!

Last Updated: 03/03/2024

Years Vehicle Per Vehicle Position Fit NotesFitment Notes
Buick Century

2.5L L4 Gas OHV,
3.3L V6 Gas OHV
2
 
Rear
 
Professional
without Finned Drum
Coupe
2 Doors
 

Buick Century



2.5L L4 Gas OHV,
3.3L V6 Gas OHV

Rear Professional
without Finned Drum
Coupe
2 Doors

2 Per Vehicle
Buick Century

2.5L L4 Gas OHV,
3.3L V6 Gas OHV
2
 
Rear
 
Professional
without Finned Drum
Sedan
4 Doors
 

Buick Century



2.5L L4 Gas OHV,
3.3L V6 Gas OHV

Rear Professional
without Finned Drum
Sedan
4 Doors

2 Per Vehicle
Buick Century

2.5L L4 Gas OHV,
3.3L V6 Gas OHV
2
 
Rear
 
Professional
Coupe
2 Doors
 

Buick Century



2.5L L4 Gas OHV,
3.3L V6 Gas OHV

Rear Professional
Coupe
2 Doors

2 Per Vehicle
Buick Century

2.5L L4 Gas OHV,
3.3L V6 Gas OHV
2
 
Rear
 
Professional
Sedan
4 Doors
 

Buick Century



2.5L L4 Gas OHV,
3.3L V6 Gas OHV

Rear Professional
Sedan
4 Doors

2 Per Vehicle
Buick Century

3.3L V6 Gas OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors
 

Buick Century



3.3L V6 Gas OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors

2 Per Vehicle
Buick Century

3.3L V6 Gas OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors
 

Buick Century



3.3L V6 Gas OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors

2 Per Vehicle
Buick Century

2.8L V6 Gas OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors
 

Buick Century



2.8L V6 Gas OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors

2 Per Vehicle
Buick Century

2.8L V6 Gas OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors
 

Buick Century



2.8L V6 Gas OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors

2 Per Vehicle
Buick Century

2.5L L4 Gas OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors
 

Buick Century



2.5L L4 Gas OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors

2 Per Vehicle
Buick Century

2.5L L4 Gas OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors
 

Buick Century



2.5L L4 Gas OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors

2 Per Vehicle
Buick Century

3.8L V6 Gas OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors
 

Buick Century



3.8L V6 Gas OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors

2 Per Vehicle
Buick Century

3.8L V6 Gas OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors
 

Buick Century



3.8L V6 Gas OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors

2 Per Vehicle
Buick Century

3.0L V6 Gas OHV,
4.3L V6 Diesel OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors
 

Buick Century



3.0L V6 Gas OHV,
4.3L V6 Diesel OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors

2 Per Vehicle
Buick Century

3.0L V6 Gas OHV,
4.3L V6 Diesel OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors
 

Buick Century



3.0L V6 Gas OHV,
4.3L V6 Diesel OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors

2 Per Vehicle
Buick Century

2.5L L4 Gas OHV,
3.0L V6 Gas OHV,
3.8L V6 Gas OHV,
4.3L V6 Diesel OHV
2
 
Rear
 
Professional
Heavy Duty Brakes
GM Brake Code JA2
Coupe
2 Doors
 

Buick Century



2.5L L4 Gas OHV,
3.0L V6 Gas OHV,
3.8L V6 Gas OHV,
4.3L V6 Diesel OHV

Rear Professional
Heavy Duty Brakes
GM Brake Code JA2
Coupe
2 Doors

2 Per Vehicle
Buick Century

2.5L L4 Gas OHV,
3.0L V6 Gas OHV,
3.8L V6 Gas OHV,
4.3L V6 Diesel OHV
2
 
Rear
 
Professional
Heavy Duty Brakes
GM Brake Code JA2
Sedan
4 Doors
 

Buick Century



2.5L L4 Gas OHV,
3.0L V6 Gas OHV,
3.8L V6 Gas OHV,
4.3L V6 Diesel OHV

Rear Professional
Heavy Duty Brakes
GM Brake Code JA2
Sedan
4 Doors

2 Per Vehicle
Buick Century

2.5L L4 Gas OHV,
3.0L V6 Gas OHV,
4.3L V6 Diesel OHV
2
 
Rear
 
Professional
Heavy Duty Brakes
GM Brake Code JA2
 

Buick Century



2.5L L4 Gas OHV,
3.0L V6 Gas OHV,
4.3L V6 Diesel OHV

Rear Professional
Heavy Duty Brakes
GM Brake Code JA2

2 Per Vehicle
Chevrolet Celebrity

2.5L L4 Gas OHV,
2.8L V6 Gas OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors
 

Chevrolet Celebrity



2.5L L4 Gas OHV,
2.8L V6 Gas OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors

2 Per Vehicle
Chevrolet Celebrity

2.5L L4 Gas OHV,
2.8L V6 Gas OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors
 

Chevrolet Celebrity



2.5L L4 Gas OHV,
2.8L V6 Gas OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors

2 Per Vehicle
Chevrolet Celebrity

4.3L V6 Diesel OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors
 

Chevrolet Celebrity



4.3L V6 Diesel OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors

2 Per Vehicle
Chevrolet Celebrity

4.3L V6 Diesel OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors
 

Chevrolet Celebrity



4.3L V6 Diesel OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors

2 Per Vehicle
Chevrolet Celebrity

2.5L L4 Gas OHV,
2.8L V6 Gas OHV,
4.3L V6 Diesel OHV
2
 
Rear
 
Professional
Heavy Duty Brakes
GM Brake Code JA2
Coupe
2 Doors
 

Chevrolet Celebrity



2.5L L4 Gas OHV,
2.8L V6 Gas OHV,
4.3L V6 Diesel OHV

Rear Professional
Heavy Duty Brakes
GM Brake Code JA2
Coupe
2 Doors

2 Per Vehicle
Chevrolet Celebrity

2.5L L4 Gas OHV,
2.8L V6 Gas OHV,
4.3L V6 Diesel OHV
2
 
Rear
 
Professional
Heavy Duty Brakes
GM Brake Code JA2
Sedan
4 Doors
 

Chevrolet Celebrity



2.5L L4 Gas OHV,
2.8L V6 Gas OHV,
4.3L V6 Diesel OHV

Rear Professional
Heavy Duty Brakes
GM Brake Code JA2
Sedan
4 Doors

2 Per Vehicle
Oldsmobile Cutlass Ciera

2.5L L4 Gas OHV,
3.3L V6 Gas OHV
2
 
Rear
 
Professional
without Finned Drum
Sedan
4 Doors
 

Oldsmobile Cutlass Ciera



2.5L L4 Gas OHV,
3.3L V6 Gas OHV

Rear Professional
without Finned Drum
Sedan
4 Doors

2 Per Vehicle
Oldsmobile Cutlass Ciera

3.3L V6 Gas OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors
 

Oldsmobile Cutlass Ciera



3.3L V6 Gas OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors

2 Per Vehicle
Oldsmobile Cutlass Ciera

3.3L V6 Gas OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors
 

Oldsmobile Cutlass Ciera



3.3L V6 Gas OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors

2 Per Vehicle
Oldsmobile Cutlass Ciera

2.5L L4 Gas OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors
 

Oldsmobile Cutlass Ciera



2.5L L4 Gas OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors

2 Per Vehicle
Oldsmobile Cutlass Ciera

2.5L L4 Gas OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors
 

Oldsmobile Cutlass Ciera



2.5L L4 Gas OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors

2 Per Vehicle
Oldsmobile Cutlass Ciera

2.8L V6 Gas OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors
 

Oldsmobile Cutlass Ciera



2.8L V6 Gas OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors

2 Per Vehicle
Oldsmobile Cutlass Ciera

2.8L V6 Gas OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors
 

Oldsmobile Cutlass Ciera



2.8L V6 Gas OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors

2 Per Vehicle
Oldsmobile Cutlass Ciera

3.8L V6 Gas OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors
 

Oldsmobile Cutlass Ciera



3.8L V6 Gas OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors

2 Per Vehicle
Oldsmobile Cutlass Ciera

3.8L V6 Gas OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors
 

Oldsmobile Cutlass Ciera



3.8L V6 Gas OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors

2 Per Vehicle
Oldsmobile Cutlass Ciera

3.0L V6 Gas OHV,
4.3L V6 Diesel OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors
 

Oldsmobile Cutlass Ciera



3.0L V6 Gas OHV,
4.3L V6 Diesel OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors

2 Per Vehicle
Oldsmobile Cutlass Ciera

3.0L V6 Gas OHV,
4.3L V6 Diesel OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors
 

Oldsmobile Cutlass Ciera



3.0L V6 Gas OHV,
4.3L V6 Diesel OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors

2 Per Vehicle
Oldsmobile Cutlass Ciera

2.5L L4 Gas OHV,
3.0L V6 Gas OHV,
3.8L V6 Gas OHV,
4.3L V6 Diesel OHV
2
 
Rear
 
Professional
Heavy Duty Brakes
GM Brake Code JA2
Coupe
2 Doors
 

Oldsmobile Cutlass Ciera



2.5L L4 Gas OHV,
3.0L V6 Gas OHV,
3.8L V6 Gas OHV,
4.3L V6 Diesel OHV

Rear Professional
Heavy Duty Brakes
GM Brake Code JA2
Coupe
2 Doors

2 Per Vehicle
Oldsmobile Cutlass Ciera

2.5L L4 Gas OHV,
3.0L V6 Gas OHV,
3.8L V6 Gas OHV,
4.3L V6 Diesel OHV
2
 
Rear
 
Professional
Heavy Duty Brakes
GM Brake Code JA2
Sedan
4 Doors
 

Oldsmobile Cutlass Ciera



2.5L L4 Gas OHV,
3.0L V6 Gas OHV,
3.8L V6 Gas OHV,
4.3L V6 Diesel OHV

Rear Professional
Heavy Duty Brakes
GM Brake Code JA2
Sedan
4 Doors

2 Per Vehicle
Oldsmobile Cutlass Ciera

2.5L L4 Gas OHV,
3.0L V6 Gas OHV,
4.3L V6 Diesel OHV
2
 
Rear
 
Professional
Heavy Duty Brakes
GM Brake Code JA2
 

Oldsmobile Cutlass Ciera



2.5L L4 Gas OHV,
3.0L V6 Gas OHV,
4.3L V6 Diesel OHV

Rear Professional
Heavy Duty Brakes
GM Brake Code JA2

2 Per Vehicle
Pontiac 6000

3.1L V6 Gas OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors
 

Pontiac 6000



3.1L V6 Gas OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors

2 Per Vehicle
Pontiac 6000

2.5L L4 Gas OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors
 

Pontiac 6000



2.5L L4 Gas OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors

2 Per Vehicle
Pontiac 6000

2.8L V6 Gas OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors
 

Pontiac 6000



2.8L V6 Gas OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors

2 Per Vehicle
Pontiac 6000

2.5L L4 Gas OHV,
2.8L V6 Gas OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors
 

Pontiac 6000



2.5L L4 Gas OHV,
2.8L V6 Gas OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors

2 Per Vehicle
Pontiac 6000

4.3L V6 Diesel OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors
 

Pontiac 6000



4.3L V6 Diesel OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Coupe
2 Doors

2 Per Vehicle
Pontiac 6000

4.3L V6 Diesel OHV
2
 
Rear
 
Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors
 

Pontiac 6000



4.3L V6 Diesel OHV

Rear Professional
with Medium Duty or Heavy Duty Brakes
GM Brake Code JA2,JA8
Sedan
4 Doors

2 Per Vehicle
Pontiac 6000

2.5L L4 Gas OHV,
2.8L V6 Gas OHV,
4.3L V6 Diesel OHV
2
 
Rear
 
Professional
Heavy Duty Brakes
GM Brake Code JA2
Coupe
2 Doors
 

Pontiac 6000



2.5L L4 Gas OHV,
2.8L V6 Gas OHV,
4.3L V6 Diesel OHV

Rear Professional
Heavy Duty Brakes
GM Brake Code JA2
Coupe
2 Doors

2 Per Vehicle
Pontiac 6000

2.5L L4 Gas OHV,
2.8L V6 Gas OHV,
4.3L V6 Diesel OHV
2
 
Rear
 
Professional
Heavy Duty Brakes
GM Brake Code JA2
Sedan
4 Doors
 

Pontiac 6000



2.5L L4 Gas OHV,
2.8L V6 Gas OHV,
4.3L V6 Diesel OHV

Rear Professional
Heavy Duty Brakes
GM Brake Code JA2
Sedan
4 Doors

2 Per Vehicle
Pontiac 6000

2.5L L4 Gas OHV,
2.8L V6 Gas OHV,
4.3L V6 Diesel OHV
2
 
Rear
 
Professional
Heavy Duty Brakes
GM Brake Code JA2
 

Pontiac 6000



2.5L L4 Gas OHV,
2.8L V6 Gas OHV,
4.3L V6 Diesel OHV

Rear Professional
Heavy Duty Brakes
GM Brake Code JA2

2 Per Vehicle