Brands Vehicles
Lowest Prices
Free Returns
Online Since 2009
JOIN GEARS TO SAVE 5%
Shop All Brands Shop All Vehicles

  2. Auto Parts
  3. Brake System
  4. Drums and Rotors
  5. Brake Drum
  6. ACDelco 18B28

ACDelco 18B28 Brake Drum

ACDelco 18B28 Brake Drum Image 1
ACDelco 18B28 Brake Drum Image 2
ACDelco 18B28 Brake Drum Image 3
ACDelco 18B28 Brake Drum Image 4
ACDelco 18B28 Brake Drum

ACDelco
Brand:ACDelco
Part Number: 18B28
UPC: 00707773403419
Weight: 21.55 lbs
Condition:New



On Sale:

$80.20

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

Product Information

Description:

BRK DRUM (B)

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):
4.75 in
Bolt Circle Diameter (mm):
120.7 mm
Bolt Hole Quantity:
5
Brake Surface Finish:
Turned
Center Bore Diameter (in):
2.79in
Center Bore Diameter (mm):
70.8mm
Depth:
3.45 in.
Depth:
87.65 mm
Discard Thickness (in):
11.06 in
Discard Thickness (mm):
280.9 mm
Grade Type:
Regular
Height (in):
14.7 in
Length (in):
11.06 in
Material:
Cast Iron
Maximum Brake Diameter (Discard):
280.92 mm
Measurements:
11 in
Mount Hole Diameter (in):
0.49in
Mount Hole Diameter (mm):
12.446mm
Nominal Drum Diameter:
0.435 in.
Nominal Drum Diameter:
11.05 mm
Outer Cooling Fins:
Yes
Outside Diameter:
0.551 in.
Outside Diameter:
14 mm
Programming Required:
No
Stud/Lug Hole Diameter:
0.483 in.
Stud/Lug Hole Diameter:
12.25 mm
Stud/Lug Hole Quantity:
5
Weight:
21.55 lb
Width (in):
14.4 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:
US

Select a vehicle to narrow ACDelco 18B28 Brake Drum fitment info!

Last Updated: 03/03/2024

Years Vehicle Per Vehicle Position Fit NotesFitment Notes

1979

 

1979

 
Buick Century

3.8L V6 Gas OHV Turbo,
4.9L V8 Gas OHV
2
 
Rear
 
Professional
with 11 IN Brakes
Wagon
4 Doors
 

Buick Century



3.8L V6 Gas OHV Turbo,
4.9L V8 Gas OHV

Rear Professional
with 11 IN Brakes
Wagon
4 Doors

2 Per Vehicle

1979

 

1978

 

1979

 

1978

 
Buick Century

3.2L V6 Gas OHV
2
 
Rear
 
Professional
with 11 IN Brakes
Wagon
4 Doors
 

Buick Century



3.2L V6 Gas OHV

Rear Professional
with 11 IN Brakes
Wagon
4 Doors

2 Per Vehicle

1979

 

1978

 

1977

 

1979

 

1978

 

1977

 
Buick Century

5.0L V8 Gas OHV
2
 
Rear
 
Professional
with 11 IN Brakes
Wagon
4 Doors
 

Buick Century



5.0L V8 Gas OHV

Rear Professional
with 11 IN Brakes
Wagon
4 Doors

2 Per Vehicle

1979

 

1978

 

1977

 

1976

 

1979

 

1978

 

1977

 

1976

 
Buick Century

3.8L V6 Gas OHV,
5.7L V8 Gas OHV
2
 
Rear
 
Professional
with 11 IN Brakes
Wagon
4 Doors
 

Buick Century



3.8L V6 Gas OHV,
5.7L V8 Gas OHV

Rear Professional
with 11 IN Brakes
Wagon
4 Doors

2 Per Vehicle

1977

 

1977

 
Buick Century

6.6L V8 Gas OHV
2
 
Rear
 
Professional
with 11 IN Brakes
Wagon
4 Doors
 

Buick Century



6.6L V8 Gas OHV

Rear Professional
with 11 IN Brakes
Wagon
4 Doors

2 Per Vehicle

1977

 

1976

 

1977

 

1976

 
Chevrolet El Camino

4.1L L6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV
2
 
Rear
 
Professional
with 11 IN x 2 IN Brakes
 

Chevrolet El Camino



4.1L L6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV

Rear Professional
with 11 IN x 2 IN Brakes

2 Per Vehicle

1976

 

1976

 
Chevrolet El Camino

6.6L V8 Gas OHV
2
 
Rear
 
Professional
with 11 IN x 2 IN Brakes
 

Chevrolet El Camino



6.6L V8 Gas OHV

Rear Professional
with 11 IN x 2 IN Brakes

2 Per Vehicle

1976

 

1976

 
Chevrolet Laguna

5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV
2
 
Rear
 
Professional
with 4in Wide Drums
 

Chevrolet Laguna



5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV

Rear Professional
with 4in Wide Drums

2 Per Vehicle

1977

 

1976

 

1977

 

1976

 
Chevrolet Malibu

4.1L L6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV
2
 
Rear
 
Professional
with 4in Wide Drums
 

Chevrolet Malibu



4.1L L6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV

Rear Professional
with 4in Wide Drums

2 Per Vehicle

1976

 

1976

 
Chevrolet Malibu

6.6L V8 Gas OHV
2
 
Rear
 
Professional
with 4in Wide Drums
 

Chevrolet Malibu



6.6L V8 Gas OHV

Rear Professional
with 4in Wide Drums

2 Per Vehicle

1977

 

1976

 

1977

 

1976

 
Chevrolet Monte Carlo

5.0L V8 Gas OHV,
5.7L V8 Gas OHV
2
 
Rear
 
Professional
with 4in Wide Drums
 

Chevrolet Monte Carlo



5.0L V8 Gas OHV,
5.7L V8 Gas OHV

Rear Professional
with 4in Wide Drums

2 Per Vehicle

1976

 

1976

 
Chevrolet Monte Carlo

6.6L V8 Gas OHV
2
 
Rear
 
Professional
with 4in Wide Drums
 

Chevrolet Monte Carlo



6.6L V8 Gas OHV

Rear Professional
with 4in Wide Drums

2 Per Vehicle

1977

 

1976

 

1977

 

1976

 
GMC Sprint

4.1L L6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV
2
 
Rear
 
Professional
with 11 IN x 2 IN Brakes
 

GMC Sprint



4.1L L6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV

Rear Professional
with 11 IN x 2 IN Brakes

2 Per Vehicle

1976

 

1976

 
GMC Sprint

6.6L V8 Gas OHV
2
 
Rear
 
Professional
with 11 IN x 2 IN Brakes
 

GMC Sprint



6.6L V8 Gas OHV

Rear Professional
with 11 IN x 2 IN Brakes

2 Per Vehicle

1977

 

1977

 
Oldsmobile Cutlass

6.6L V8 Gas OHV
2
 
Rear
 
Professional
Wagon
4 Doors
 

Oldsmobile Cutlass



6.6L V8 Gas OHV

Rear Professional
Wagon
4 Doors

2 Per Vehicle

1977

 

1976

 

1977

 

1976

 
Oldsmobile Cutlass

5.7L V8 Gas OHV
2
 
Rear
 
Professional
Wagon
4 Doors
 

Oldsmobile Cutlass



5.7L V8 Gas OHV

Rear Professional
Wagon
4 Doors

2 Per Vehicle

1976

 

1976

 
Oldsmobile Cutlass

7.5L V8 Gas OHV
2
 
Rear
 
Professional
Wagon
4 Doors
 

Oldsmobile Cutlass



7.5L V8 Gas OHV

Rear Professional
Wagon
4 Doors

2 Per Vehicle

1977

 

1977

 
Oldsmobile Cutlass Supreme

3.8L V6 Gas OHV,
6.6L V8 Gas OHV
2
 
Rear
 
Professional
Wagon
4 Doors
 

Oldsmobile Cutlass Supreme



3.8L V6 Gas OHV,
6.6L V8 Gas OHV

Rear Professional
Wagon
4 Doors

2 Per Vehicle

1977

 

1976

 

1977

 

1976

 
Oldsmobile Cutlass Supreme

4.3L V8 Gas OHV,
5.7L V8 Gas OHV
2
 
Rear
 
Professional
Wagon
4 Doors
 

Oldsmobile Cutlass Supreme



4.3L V8 Gas OHV,
5.7L V8 Gas OHV

Rear Professional
Wagon
4 Doors

2 Per Vehicle

1976

 

1976

 
Oldsmobile Cutlass Supreme

4.1L L6 Gas OHV,
7.5L V8 Gas OHV
2
 
Rear
 
Professional
Wagon
4 Doors
 

Oldsmobile Cutlass Supreme



4.1L L6 Gas OHV,
7.5L V8 Gas OHV

Rear Professional
Wagon
4 Doors

2 Per Vehicle

1977

 

1977

 
Pontiac Grand LeMans

3.8L V6 Gas OHV,
4.9L V8 Gas OHV,
5.0L V8 Gas OHV
2
 
Rear
 
Professional
Wagon
4 Doors
 

Pontiac Grand LeMans



3.8L V6 Gas OHV,
4.9L V8 Gas OHV,
5.0L V8 Gas OHV

Rear Professional
Wagon
4 Doors

2 Per Vehicle

1977

 

1976

 

1977

 

1976

 
Pontiac Grand LeMans

5.7L V8 Gas OHV,
6.6L V8 Gas OHV
2
 
Rear
 
Professional
Wagon
4 Doors
 

Pontiac Grand LeMans



5.7L V8 Gas OHV,
6.6L V8 Gas OHV

Rear Professional
Wagon
4 Doors

2 Per Vehicle

1976

 

1976

 
Pontiac Grand LeMans

4.1L L6 Gas OHV,
4.3L V8 Gas OHV,
7.5L V8 Gas OHV
2
 
Rear
 
Professional
Wagon
4 Doors
 

Pontiac Grand LeMans



4.1L L6 Gas OHV,
4.3L V8 Gas OHV,
7.5L V8 Gas OHV

Rear Professional
Wagon
4 Doors

2 Per Vehicle

1977

 

1977

 
Pontiac Grand Prix

4.9L V8 Gas OHV
2
 
Rear
 
Professional
with 11 IN Brakes
with 4-1/2in Wide Drums
 

Pontiac Grand Prix



4.9L V8 Gas OHV

Rear Professional
with 11 IN Brakes
with 4-1/2in Wide Drums

2 Per Vehicle

1977

 

1976

 

1977

 

1976

 
Pontiac Grand Prix

5.7L V8 Gas OHV,
6.6L V8 Gas OHV
2
 
Rear
 
Professional
with 11 IN Brakes
with 4-1/2in Wide Drums
 

Pontiac Grand Prix



5.7L V8 Gas OHV,
6.6L V8 Gas OHV

Rear Professional
with 11 IN Brakes
with 4-1/2in Wide Drums

2 Per Vehicle

1976

 

1976

 
Pontiac Grand Prix

7.5L V8 Gas OHV
2
 
Rear
 
Professional
with 11 IN Brakes
with 4-1/2in Wide Drums
 

Pontiac Grand Prix



7.5L V8 Gas OHV

Rear Professional
with 11 IN Brakes
with 4-1/2in Wide Drums

2 Per Vehicle

1977

 

1977

 
Pontiac LeMans

3.8L V6 Gas OHV,
4.9L V8 Gas OHV,
5.0L V8 Gas OHV
2
 
Rear
 
Professional
Wagon
4 Doors
 

Pontiac LeMans



3.8L V6 Gas OHV,
4.9L V8 Gas OHV,
5.0L V8 Gas OHV

Rear Professional
Wagon
4 Doors

2 Per Vehicle

1977

 

1976

 

1977

 

1976

 
Pontiac LeMans

5.7L V8 Gas OHV,
6.6L V8 Gas OHV
2
 
Rear
 
Professional
Wagon
4 Doors
 

Pontiac LeMans



5.7L V8 Gas OHV,
6.6L V8 Gas OHV

Rear Professional
Wagon
4 Doors

2 Per Vehicle

1976

 

1976

 
Pontiac LeMans

4.1L L6 Gas OHV,
4.3L V8 Gas OHV,
7.5L V8 Gas OHV
2
 
Rear
 
Professional
Wagon
4 Doors
 

Pontiac LeMans



4.1L L6 Gas OHV,
4.3L V8 Gas OHV,
7.5L V8 Gas OHV

Rear Professional
Wagon
4 Doors

2 Per Vehicle