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ACDelco 18B381 Brake Drum


Brand:	ACDelco
Part Number:	18B381
UPC:	00707773351376
Weight:	14.4 lbs
Condition:	New

On Sale:

$37.39

Availability:

45 in Stock

Warehouse:

US-4

Quantity:

Product Information

Description:

DRUM RR BR (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:

Bolt Circle Diameter (in):

4.75 in

Bolt Circle Diameter (mm):

120.7 mm

Bolt Hole Quantity:

Brake Surface Finish:

Turned

Center Bore Diameter (in):

2.79in

Center Bore Diameter (mm):

70.8mm

Depth:

2.42 in.

Depth:

61.45 mm

Discard Thickness (in):

9.56 in

Discard Thickness (mm):

242.8 mm

Grade Type:

Regular

Height (in):

4.12 in

Length (in):

9.56 in

Material:

Cast Iron

Maximum Brake Diameter (Discard):

242.82 mm

Mount Hole Diameter (in):

0.476in

Mount Hole Diameter (mm):

12.09mm

Nominal Drum Diameter:

0.376 in.

Nominal Drum Diameter:

9.55 mm

Outer Cooling Fins:

Yes

Outside Diameter:

0.451 in.

Outside Diameter:

11.45 mm

Programming Required:

Stud/Lug Hole Diameter:

0.471 in.

Stud/Lug Hole Diameter:

11.95 mm

Stud/Lug Hole Quantity:

Weight:

14.4 lb

Width (in):

12.12 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 18B381 Brake Drum fitment info!

Last Updated: 03/03/2024

Years

Vehicle

Per Vehicle

Position

Fit Notes

Fitment Notes

Buick Gran Sport

6.6L V8 Gas

2 Rear

Professional
Front Drum
Rear Drum

Buick Gran Sport

6.6L V8 Gas

Rear Professional
Front Drum
Rear Drum

2 Per Vehicle

Buick GS

5.7L V8 Gas OHV

2 Rear

Professional

Buick GS

Buick GS 350

5.7L V8 Gas OHV

2 Rear

Professional

Buick GS 350

Buick GS 455

7.5L V8 Gas OHV

2 Rear

Professional

Buick GS 455

7.5L V8 Gas OHV

Rear Professional

2 Per Vehicle

1970

Buick GS 455

7.5L V8 Gas

2 Rear

Professional

Buick GS 455

7.5L V8 Gas

Rear Professional

2 Per Vehicle

1972

Buick Skylark

5.7L V8 Gas

2 Rear

Professional
Front Drum
Rear Drum

Buick Skylark

5.7L V8 Gas

Rear Professional
Front Drum
Rear Drum

2 Per Vehicle

Buick Skylark

5.7L V8 Gas OHV

2 Rear

Professional
Front Drum
Rear Drum

Buick Skylark

5.7L V8 Gas OHV

Rear Professional
Front Drum
Rear Drum

2 Per Vehicle

Buick Skylark

7.5L V8 Gas OHV

2 Rear

Professional
Front Drum
Rear Drum

Buick Skylark

7.5L V8 Gas OHV

Rear Professional
Front Drum
Rear Drum

2 Per Vehicle

Buick Skylark

4.1L L6 Gas OHV

2 Rear

Professional
Front Drum
Rear Drum

Buick Skylark

4.1L L6 Gas OHV

Rear Professional
Front Drum
Rear Drum

2 Per Vehicle

1970

Buick Skylark

5.7L V8 Gas

2 Rear

Professional
Front Drum
Rear Drum

Buick Skylark

5.7L V8 Gas

Rear Professional
Front Drum
Rear Drum

2 Per Vehicle

Buick Skylark

6.6L V8 Gas OHV

2 Rear

Professional
Front Drum
Rear Drum

Buick Skylark

6.6L V8 Gas OHV

Rear Professional
Front Drum
Rear Drum

2 Per Vehicle

Buick Skylark

5.6L V8 Gas OHV

2 Rear

Professional
Front Drum
Rear Drum

Buick Skylark

5.6L V8 Gas OHV

Rear Professional
Front Drum
Rear Drum

2 Per Vehicle

Buick Skylark

3.7L V6 Gas OHV,
4.9L V8 Gas OHV

2 Rear

Professional
Front Drum
Rear Drum

Buick Skylark

3.7L V6 Gas OHV,
4.9L V8 Gas OHV

Rear Professional
Front Drum
Rear Drum

2 Per Vehicle

Buick Skylark

6.6L V8 Gas

2 Rear

Professional
Front Drum
Rear Drum

Buick Skylark

6.6L V8 Gas

Rear Professional
Front Drum
Rear Drum

2 Per Vehicle

Buick Special

5.6L V8 Gas OHV

2 Rear

Professional

Buick Special

Buick Special

3.7L V6 Gas OHV,
4.9L V8 Gas OHV

2 Rear

Professional

Buick Special

3.7L V6 Gas OHV,
4.9L V8 Gas OHV

Rear Professional

2 Per Vehicle

Chevrolet Chevelle

4.1L L6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.4L V8 Gas OHV

2 Rear

Professional
with Pontiac Axle
Cut Out Axle Cover

Chevrolet Chevelle

4.1L L6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.4L V8 Gas OHV

Rear Professional
with Pontiac Axle
Cut Out Axle Cover

2 Per Vehicle

1970

Chevrolet Chevelle

6.5L V8 Gas

2 Rear

Professional
with Pontiac Axle
Cut Out Axle Cover

Chevrolet Chevelle

6.5L V8 Gas

Rear Professional
with Pontiac Axle
Cut Out Axle Cover

2 Per Vehicle

Chevrolet El Camino

4.1L L6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.4L V8 Gas OHV

2 Rear

Professional
with Pontiac Axle
Replace in Pairs
Cut Out Axle Cover

Chevrolet El Camino

4.1L L6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.4L V8 Gas OHV

Rear Professional
with Pontiac Axle
Replace in Pairs
Cut Out Axle Cover

2 Per Vehicle

1970

Chevrolet El Camino

6.5L V8 Gas

2 Rear

Professional
with Pontiac Axle
Replace in Pairs
Cut Out Axle Cover

Chevrolet El Camino

6.5L V8 Gas

Rear Professional
with Pontiac Axle
Replace in Pairs
Cut Out Axle Cover

2 Per Vehicle

Chevrolet Laguna

5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.4L V8 Gas OHV

2 Rear

Professional
Coupe
2 Doors

Chevrolet Laguna

5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.4L V8 Gas OHV

Rear Professional
Coupe
2 Doors

2 Per Vehicle

Chevrolet Malibu

4.1L L6 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.4L V8 Gas OHV

2 Rear

Professional
Coupe
2 Doors

Chevrolet Malibu

4.1L L6 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.4L V8 Gas OHV

Rear Professional
Coupe
2 Doors

2 Per Vehicle

Chevrolet Malibu

4.1L L6 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.4L V8 Gas OHV

2 Rear

Professional
Sedan
4 Doors

Chevrolet Malibu

4.1L L6 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.4L V8 Gas OHV

Rear Professional
Sedan
4 Doors

2 Per Vehicle

Chevrolet Monte Carlo

5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.4L V8 Gas OHV

2 Rear

Professional

Chevrolet Monte Carlo

5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.4L V8 Gas OHV

Rear Professional

2 Per Vehicle

1974

Chevrolet Monte Carlo

6.6L V8 Gas

2 Rear

Professional

Chevrolet Monte Carlo

Chevrolet Monte Carlo

7.4L V8 Gas

2 Rear

Professional

Chevrolet Monte Carlo

Chevrolet Monte Carlo

5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.4L V8 Gas OHV

2 Rear

Professional
with Pontiac Axle
Flared Center Hole
Cut Out Axle Cover

Chevrolet Monte Carlo

5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.4L V8 Gas OHV

Rear Professional
with Pontiac Axle
Flared Center Hole
Cut Out Axle Cover

2 Per Vehicle

GMC Sprint

6.6L V8 Gas OHV

2 Rear

Professional
Do Not Use with OEM Metallic Lining

GMC Sprint

6.6L V8 Gas OHV

Rear Professional
Do Not Use with OEM Metallic Lining

2 Per Vehicle

GMC Sprint

4.1L L6 Gas OHV,
5.7L V8 Gas OHV,
7.4L V8 Gas OHV

2 Rear

Professional
Do Not Use with OEM Metallic Lining

GMC Sprint

4.1L L6 Gas OHV,
5.7L V8 Gas OHV,
7.4L V8 Gas OHV

Rear Professional
Do Not Use with OEM Metallic Lining

2 Per Vehicle

1974

GMC Sprint

6.6L V8 Gas

2 Rear

Professional
Do Not Use with OEM Metallic Lining

GMC Sprint

6.6L V8 Gas

Rear Professional
Do Not Use with OEM Metallic Lining

2 Per Vehicle

1973

GMC Sprint

5.0L V8 Gas OHV

2 Rear

Professional
Do Not Use with OEM Metallic Lining

GMC Sprint

5.0L V8 Gas OHV

Rear Professional
Do Not Use with OEM Metallic Lining

2 Per Vehicle

Oldsmobile 442

7.5L V8 Gas OHV

2 Rear

Professional

Oldsmobile 442

Oldsmobile 442

6.6L V8 Gas OHV

2 Rear

Professional

Oldsmobile 442

6.6L V8 Gas OHV

Rear Professional

2 Per Vehicle

1967

Oldsmobile 442

6.6L V8 Gas OHV

2 Rear

Professional
Front Drum
Rear Drum

Oldsmobile 442

6.6L V8 Gas OHV

Rear Professional
Front Drum
Rear Drum

2 Per Vehicle

Oldsmobile 442

6.6L V8 Gas OHV

2 Rear

Professional

Oldsmobile 442

6.6L V8 Gas OHV

Rear Professional

2 Per Vehicle

1964

Oldsmobile 98

6.5L V8 Gas,
6.5L V8 Gas OHV

2 Rear

Professional
with 9.5 IN Brakes

Oldsmobile 98

6.5L V8 Gas,
6.5L V8 Gas OHV

Rear Professional
with 9.5 IN Brakes

2 Per Vehicle

Oldsmobile Cutlass

5.7L V8 Gas OHV,
7.5L V8 Gas OHV

2 Rear

Professional
Front Drum
Rear Drum

Oldsmobile Cutlass

5.7L V8 Gas OHV,
7.5L V8 Gas OHV

Rear Professional
Front Drum
Rear Drum

2 Per Vehicle

1971

Oldsmobile Cutlass

4.1L L6 Gas OHV

2 Rear

Professional
Front Drum
Rear Drum

Oldsmobile Cutlass

4.1L L6 Gas OHV

Rear Professional
Front Drum
Rear Drum

2 Per Vehicle

Oldsmobile Cutlass Supreme

5.7L V8 Gas OHV,
7.5L V8 Gas OHV

2 Rear

Professional
Front Drum
Rear Drum

Oldsmobile Cutlass Supreme

5.7L V8 Gas OHV,
7.5L V8 Gas OHV

Rear Professional
Front Drum
Rear Drum

2 Per Vehicle

1967

Oldsmobile Delta 88

7.0L V8 Gas,
7.0L V8 Gas OHV

2 Rear

Professional
with 9.5 IN Brakes

Oldsmobile Delta 88

7.0L V8 Gas,
7.0L V8 Gas OHV

Rear Professional
with 9.5 IN Brakes

2 Per Vehicle

1972

Oldsmobile F85

7.5L V8 Gas OHV

2 Rear

Professional

Oldsmobile F85

Oldsmobile F85

5.7L V8 Gas OHV

2 Rear

Professional

Oldsmobile F85

Oldsmobile F85

4.1L L6 Gas OHV

2 Rear

Professional

Oldsmobile F85

4.1L L6 Gas OHV

Rear Professional

2 Per Vehicle

1970

Oldsmobile F85

7.5L V8 Gas OHV

2 Rear

Professional

Oldsmobile F85

Oldsmobile F85

5.4L V8 Gas OHV

2 Rear

Professional

Oldsmobile F85

Oldsmobile F85

6.6L V8 Gas OHV

2 Rear

Professional

Oldsmobile F85

Oldsmobile F85

5.4L V8 Gas

2 Rear

Professional

Oldsmobile F85

Oldsmobile F85

3.7L V6 Gas,
3.7L V6 Gas OHV

2 Rear

Professional

Oldsmobile F85

3.7L V6 Gas,
3.7L V6 Gas OHV

Rear Professional

2 Per Vehicle

Oldsmobile Jetstar 88

5.4L V8 Gas OHV

2 Rear

Professional
with 9.5 IN Brakes

Oldsmobile Jetstar 88

5.4L V8 Gas OHV

Rear Professional
with 9.5 IN Brakes

2 Per Vehicle

Oldsmobile Vista Cruiser

5.7L V8 Gas OHV,
7.5L V8 Gas OHV

2 Rear

Professional
with 9-1/2 IN x 2 IN Brakes

Oldsmobile Vista Cruiser

5.7L V8 Gas OHV,
7.5L V8 Gas OHV

Rear Professional
with 9-1/2 IN x 2 IN Brakes

2 Per Vehicle

Pontiac Catalina

6.6L V8 Gas OHV,
7.0L V8 Gas OHV

2 Rear

Professional

Pontiac Catalina

6.6L V8 Gas OHV,
7.0L V8 Gas OHV

Rear Professional

2 Per Vehicle

1966

Pontiac Catalina

6.4L V8 Gas OHV,
6.9L V8 Gas OHV

2 Rear

Professional

Pontiac Catalina

6.4L V8 Gas OHV,
6.9L V8 Gas OHV

Rear Professional

2 Per Vehicle

1969

Pontiac Firebird

4.1L L6 Gas SOHC,
5.7L V8 Gas,
5.7L V8 Gas OHV,
6.6L V8 Gas,
6.6L V8 Gas OHV

2 Rear

Professional

Pontiac Firebird

4.1L L6 Gas SOHC,
5.7L V8 Gas,
5.7L V8 Gas OHV,
6.6L V8 Gas,
6.6L V8 Gas OHV

Rear Professional

2 Per Vehicle

1968

Pontiac Firebird

5.7L V8 Gas OHV

2 Rear

Professional
Do Not Use with OEM Metallic Lining
Front Disc
Rear Drum

Pontiac Firebird

5.7L V8 Gas OHV

Rear Professional
Do Not Use with OEM Metallic Lining
Front Disc
Rear Drum

2 Per Vehicle

1967

Pontiac Firebird

5.3L V8 Gas OHV

2 Rear

Professional
Do Not Use with OEM Metallic Lining
Front Disc
Rear Drum

Pontiac Firebird

5.3L V8 Gas OHV

Rear Professional
Do Not Use with OEM Metallic Lining
Front Disc
Rear Drum

2 Per Vehicle

Pontiac Grand Am

5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.5L V8 Gas OHV

2 Rear

Professional

Pontiac Grand Am

5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.5L V8 Gas OHV

Rear Professional

2 Per Vehicle

1975

Pontiac Grand LeMans

4.1L L6 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.5L V8 Gas OHV

2 Rear

Professional
Coupe
2 Doors

Pontiac Grand LeMans

4.1L L6 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.5L V8 Gas OHV

Rear Professional
Coupe
2 Doors

2 Per Vehicle

1975

Pontiac Grand LeMans

4.1L L6 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.5L V8 Gas OHV

2 Rear

Professional
Sedan
4 Doors

Pontiac Grand LeMans

4.1L L6 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.5L V8 Gas OHV

Rear Professional
Sedan
4 Doors

2 Per Vehicle

Pontiac Grand Prix

7.5L V8 Gas OHV

2 Rear

Professional

Pontiac Grand Prix

Pontiac Grand Prix

6.6L V8 Gas OHV

2 Rear

Professional

Pontiac Grand Prix

Pontiac Grand Prix

7.0L V8 Gas OHV

2 Rear

Professional

Pontiac Grand Prix

Pontiac Grand Prix

6.4L V8 Gas OHV,
6.9L V8 Gas OHV

2 Rear

Professional

Pontiac Grand Prix

6.4L V8 Gas OHV,
6.9L V8 Gas OHV

Rear Professional

2 Per Vehicle

1973

Pontiac GTO

6.6L V8 Gas OHV,
7.5L V8 Gas OHV

2 Rear

Professional
Hardtop
2 Doors

Pontiac GTO

6.6L V8 Gas OHV,
7.5L V8 Gas OHV

Rear Professional
Hardtop
2 Doors

2 Per Vehicle

Pontiac GTO

7.5L V8 Gas OHV

2 Rear

Professional

Pontiac GTO

Pontiac GTO

6.6L V8 Gas OHV

2 Rear

Professional

Pontiac GTO

Pontiac GTO

7.5L V8 Gas

2 Rear

Professional

Pontiac GTO

7.5L V8 Gas

Rear Professional

2 Per Vehicle

1970

Pontiac GTO

6.6L V8 Gas

2 Rear

Professional

Pontiac GTO

Pontiac GTO

6.4L V8 Gas OHV

2 Rear

Professional

Pontiac GTO

6.4L V8 Gas OHV

Rear Professional

2 Per Vehicle

1975

Pontiac LeMans

4.1L L6 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV

2 Rear

Professional
Coupe
2 Doors

Pontiac LeMans

4.1L L6 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV

Rear Professional
Coupe
2 Doors

2 Per Vehicle

1975

Pontiac LeMans

4.1L L6 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV

2 Rear

Professional
Sedan
4 Doors

Pontiac LeMans

4.1L L6 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV

Rear Professional
Sedan
4 Doors

2 Per Vehicle

Pontiac LeMans

4.1L L6 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.5L V8 Gas OHV

2 Rear

Professional
Hardtop
2 Doors

Pontiac LeMans

4.1L L6 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.5L V8 Gas OHV

Rear Professional
Hardtop
2 Doors

2 Per Vehicle

Pontiac LeMans

4.1L L6 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.5L V8 Gas OHV

2 Rear

Professional
Hardtop
4 Doors

Pontiac LeMans

4.1L L6 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.5L V8 Gas OHV

Rear Professional
Hardtop
4 Doors

2 Per Vehicle

1973

Pontiac LeMans

5.7L V8 Gas,
7.5L V8 Gas

2 Rear

Professional
Hardtop
2 Doors

Pontiac LeMans

5.7L V8 Gas,
7.5L V8 Gas

Rear Professional
Hardtop
2 Doors

2 Per Vehicle

1973

Pontiac LeMans

5.7L V8 Gas,
7.5L V8 Gas

2 Rear

Professional
Hardtop
4 Doors

Pontiac LeMans

5.7L V8 Gas,
7.5L V8 Gas

Rear Professional
Hardtop
4 Doors

2 Per Vehicle

1972

Pontiac LeMans

5.7L V8 Gas,
7.5L V8 Gas

2 Rear

Professional

Pontiac LeMans

5.7L V8 Gas,
7.5L V8 Gas

Rear Professional

2 Per Vehicle

Pontiac LeMans

7.5L V8 Gas OHV

2 Rear

Professional

Pontiac LeMans

Pontiac LeMans

4.1L L6 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV

2 Rear

Professional

Pontiac LeMans

4.1L L6 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV

Rear Professional

2 Per Vehicle

Pontiac LeMans

4.1L L6 Gas SOHC

2 Rear

Professional

Pontiac LeMans

Pontiac LeMans

3.8L L6 Gas SOHC

2 Rear

Professional

Pontiac LeMans

Pontiac LeMans

5.3L V8 Gas OHV

2 Rear

Professional

Pontiac LeMans

Pontiac LeMans

3.5L L6 Gas OHV

2 Rear

Professional

Pontiac LeMans

3.5L L6 Gas OHV

Rear Professional

2 Per Vehicle

1970

Pontiac Tempest

4.1L L6 Gas OHV

2 Rear

Professional

Pontiac Tempest

Pontiac Tempest

5.7L V8 Gas OHV,
6.6L V8 Gas OHV

2 Rear

Professional

Pontiac Tempest

5.7L V8 Gas OHV,
6.6L V8 Gas OHV

Rear Professional

2 Per Vehicle

Pontiac Tempest

4.1L L6 Gas SOHC

2 Rear

Professional

Pontiac Tempest

Pontiac Tempest

3.8L L6 Gas SOHC

2 Rear

Professional

Pontiac Tempest

Pontiac Tempest

5.3L V8 Gas OHV

2 Rear

Professional

Pontiac Tempest

Pontiac Tempest

3.5L L6 Gas OHV

2 Rear

Professional

Pontiac Tempest

3.5L L6 Gas OHV

Rear Professional

2 Per Vehicle

Customers who bought ACDelco 18B381 Brake Drum also purchased

ACDelco 18B381 Brake Drum

$37.39

Product Information

Description:

Features and Benefits:

Specifications:

Features and Benefits:

Specifications:

Select a vehicle to narrow ACDelco 18B381 Brake Drum fitment info!

Buick Gran Sport 6.6L V8 Gas

2

Rear

ProfessionalFront DrumRear Drum

Buick Gran Sport

6.6L V8 Gas Rear ProfessionalFront DrumRear Drum 2 Per Vehicle

Buick GS 5.7L V8 Gas OHV

2

Rear

Professional

Buick GS

5.7L V8 Gas OHV Rear Professional 2 Per Vehicle

Buick GS 350 5.7L V8 Gas OHV

2

Rear

Professional

Buick GS 350

5.7L V8 Gas OHV Rear Professional 2 Per Vehicle

Buick GS 455 7.5L V8 Gas OHV

2

Rear

Professional

Buick GS 455

7.5L V8 Gas OHV Rear Professional 2 Per Vehicle

Buick GS 455 7.5L V8 Gas

2

Rear

Professional

Buick GS 455

7.5L V8 Gas Rear Professional 2 Per Vehicle

Buick Skylark 5.7L V8 Gas

2

Rear

ProfessionalFront DrumRear Drum

Buick Skylark

5.7L V8 Gas Rear ProfessionalFront DrumRear Drum 2 Per Vehicle

Buick Skylark 5.7L V8 Gas OHV

2

Rear

ProfessionalFront DrumRear Drum

Buick Skylark

5.7L V8 Gas OHV Rear ProfessionalFront DrumRear Drum 2 Per Vehicle

Buick Skylark 7.5L V8 Gas OHV

2

Rear

ProfessionalFront DrumRear Drum

Buick Skylark

7.5L V8 Gas OHV Rear ProfessionalFront DrumRear Drum 2 Per Vehicle

Buick Skylark 4.1L L6 Gas OHV

2

Rear

ProfessionalFront DrumRear Drum

Buick Skylark

4.1L L6 Gas OHV Rear ProfessionalFront DrumRear Drum 2 Per Vehicle

Buick Skylark 5.7L V8 Gas

2

Rear

ProfessionalFront DrumRear Drum

Buick Skylark

5.7L V8 Gas Rear ProfessionalFront DrumRear Drum 2 Per Vehicle

Buick Skylark 6.6L V8 Gas OHV

2

Rear

ProfessionalFront DrumRear Drum

Buick Skylark

6.6L V8 Gas OHV Rear ProfessionalFront DrumRear Drum 2 Per Vehicle

Buick Skylark 5.6L V8 Gas OHV

2

Rear

ProfessionalFront DrumRear Drum

Buick Skylark

Buick Gran Sport

6.6L V8 Gas

Professional
Front Drum
Rear Drum

6.6L V8 Gas

Rear Professional
Front Drum
Rear Drum

2 Per Vehicle

Buick GS

5.7L V8 Gas OHV

5.7L V8 Gas OHV

Rear Professional

2 Per Vehicle

Buick GS 350

5.7L V8 Gas OHV

5.7L V8 Gas OHV

Rear Professional

2 Per Vehicle

Buick GS 455

7.5L V8 Gas OHV

7.5L V8 Gas OHV

Rear Professional

2 Per Vehicle

Buick GS 455

7.5L V8 Gas

7.5L V8 Gas

Rear Professional

2 Per Vehicle

Buick Skylark

5.7L V8 Gas

Professional
Front Drum
Rear Drum

5.7L V8 Gas

Rear Professional
Front Drum
Rear Drum

2 Per Vehicle

Buick Skylark

5.7L V8 Gas OHV

Professional
Front Drum
Rear Drum

5.7L V8 Gas OHV

Rear Professional
Front Drum
Rear Drum

2 Per Vehicle

Buick Skylark

7.5L V8 Gas OHV

Professional
Front Drum
Rear Drum

7.5L V8 Gas OHV

Rear Professional
Front Drum
Rear Drum

2 Per Vehicle

Buick Skylark

4.1L L6 Gas OHV

Professional
Front Drum
Rear Drum

4.1L L6 Gas OHV

Rear Professional
Front Drum
Rear Drum

2 Per Vehicle

Buick Skylark

5.7L V8 Gas

Professional
Front Drum
Rear Drum

5.7L V8 Gas

Rear Professional
Front Drum
Rear Drum

2 Per Vehicle

Buick Skylark

6.6L V8 Gas OHV

Professional
Front Drum
Rear Drum

6.6L V8 Gas OHV

Rear Professional
Front Drum
Rear Drum

2 Per Vehicle

Buick Skylark

5.6L V8 Gas OHV

Professional
Front Drum
Rear Drum

5.6L V8 Gas OHV

Rear Professional
Front Drum
Rear Drum

2 Per Vehicle

Buick Skylark

3.7L V6 Gas OHV,
4.9L V8 Gas OHV

Professional
Front Drum
Rear Drum