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  2. Auto Parts
  3. Brake System
  4. Brake Hydraulics
  5. Brake Master Cylinder
  6. Dorman M99031

Dorman M99031 Brake Master Cylinder

Dorman M99031 Brake Master Cylinder Image 1
Dorman M99031 Brake Master Cylinder Image 2
Dorman M99031 Brake Master Cylinder Image 3
Dorman M99031 Brake Master Cylinder Image 4
Dorman M99031 Brake Master Cylinder

Dorman
Brand:Dorman
Part Number: M99031
UPC: 00082702402306
Weight: 4.65 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the Dorman M99031 Brake Master Cylinder for your vehicle. Buy now and secure your purchase online!

This brake master cylinder is precision-engineered to match the design, function, and performance of the original master cylinder on specific vehicle years, makes and models. It is made of new, high-quality materials for a safe, durable replacement.

Features and Benefits:

  • 100% new - made entirely of new materials, not remanufactured, to ensure highest quality and safety
  • Durable design - all rubber components are made of high-quality EPDM compound for resistance to glycol-based brake fluid
  • Precise replacement - cylinder housing is constructed to match the casting material of the original part and ensure similar performance
  • Strict specifications - made to meet rigorous SAE International standards

Specifications:

Master Cylinder Bore Diameter:
0.938 in.
Master Cylinder Material:
Cast Iron
Mounting Hardware Included:
No
Number of Outlets:
2
Package Contents:
Master Cylinder
Rearward Outlet Size:
1/2-20 in.
Reservoir Included:
Yes
Sensor Included:
No
A1 Cardone #:
10-1738
ACDelco #:
18M70
Aimco #:
M900231
Autospecialty #:
M-82003
Bendix #:
11738
Cardone Select #:
13-1738
Centric Parts #:
130.62003
Centric Parts #:
131.62003
Coni-Seal #:
MC101253
General Motors #:
18003755
General Motors #:
18005259
General Motors #:
18006633
General Motors #:
18009881
Lusac #:
101253
MPA #:
M1738
MPA #:
NM1738
Raybestos Brake #:
2539016
Raybestos Brake #:
MC39016
Wagner Brake #:
F101253
Wagner Brake #:
F99031
Wagner Brake #:
MC101253
Wagner Brake #:
MC99031
Country of Origin:
CN

Select a vehicle to narrow Dorman M99031 Brake Master Cylinder fitment info!

Last Updated: 06/21/2024

Years Vehicle Per Vehicle Fit NotesFitment Notes

1980

 

1980

 
Buick Century

3.8L V6 Gas OHV,
3.8L V6 Gas OHV Turbo,
4.3L V8 Gas OHV,
4.9L V8 Gas OHV,
5.0L V8 Gas OHV
1
 
Bore: 3/4 In.
 

Buick Century



3.8L V6 Gas OHV,
3.8L V6 Gas OHV Turbo,
4.3L V8 Gas OHV,
4.9L V8 Gas OHV,
5.0L V8 Gas OHV Bore: 3/4 In.

1 Per Vehicle

1979

 

1979

 
Buick Century

3.8L V6 Gas OHV Turbo,
4.9L V8 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Buick Century



3.8L V6 Gas OHV Turbo,
4.9L V8 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1979

 

1978

 

1979

 

1978

 
Buick Century

3.2L V6 Gas OHV,
3.8L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Buick Century



3.2L V6 Gas OHV,
3.8L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1980

 

1980

 
Buick Regal

3.8L V6 Gas OHV,
3.8L V6 Gas OHV Turbo,
4.3L V8 Gas OHV,
4.9L V8 Gas OHV,
5.0L V8 Gas OHV
1
 
Bore: 3/4 In.
 

Buick Regal



3.8L V6 Gas OHV,
3.8L V6 Gas OHV Turbo,
4.3L V8 Gas OHV,
4.9L V8 Gas OHV,
5.0L V8 Gas OHV Bore: 3/4 In.

1 Per Vehicle

1979

 

1979

 
Buick Regal

4.9L V8 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Buick Regal



4.9L V8 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1979

 

1978

 

1979

 

1978

 
Buick Regal

3.2L V6 Gas OHV,
3.8L V6 Gas OHV,
3.8L V6 Gas OHV Turbo,
5.0L V8 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Buick Regal



3.2L V6 Gas OHV,
3.8L V6 Gas OHV,
3.8L V6 Gas OHV Turbo,
5.0L V8 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1980

 

1980

 
Chevrolet El Camino

3.8L V6 Gas OHV,
4.4L V8 Gas OHV,
5.0L V8 Gas OHV
1
 
Bore: 3/4 In.
 

Chevrolet El Camino



3.8L V6 Gas OHV,
4.4L V8 Gas OHV,
5.0L V8 Gas OHV Bore: 3/4 In.

1 Per Vehicle

1979

 

1979

 
Chevrolet El Camino

4.4L V8 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Chevrolet El Camino



4.4L V8 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1979

 

1978

 

1979

 

1978

 
Chevrolet El Camino

3.3L V6 Gas OHV,
3.8L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Chevrolet El Camino



3.3L V6 Gas OHV,
3.8L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1980

 

1979

 

1980

 

1979

 
Chevrolet Malibu

4.4L V8 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Chevrolet Malibu



4.4L V8 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1980

 

1979

 

1978

 

1980

 

1979

 

1978

 
Chevrolet Malibu

3.8L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Chevrolet Malibu



3.8L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1979

 

1978

 

1979

 

1978

 
Chevrolet Malibu

3.3L V6 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Chevrolet Malibu



3.3L V6 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1980

 

1980

 
Chevrolet Monte Carlo

3.8L V6 Gas OHV,
3.8L V6 Gas OHV Turbo,
4.4L V8 Gas OHV,
5.0L V8 Gas OHV
1
 
Bore: 3/4 In.
 

Chevrolet Monte Carlo



3.8L V6 Gas OHV,
3.8L V6 Gas OHV Turbo,
4.4L V8 Gas OHV,
5.0L V8 Gas OHV Bore: 3/4 In.

1 Per Vehicle

1979

 

1979

 
Chevrolet Monte Carlo

4.4L V8 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Chevrolet Monte Carlo



4.4L V8 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1979

 

1978

 

1979

 

1978

 
Chevrolet Monte Carlo

3.3L V6 Gas OHV,
3.8L V6 Gas OHV,
5.0L V8 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Chevrolet Monte Carlo



3.3L V6 Gas OHV,
3.8L V6 Gas OHV,
5.0L V8 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1980

 

1979

 

1980

 

1979

 
GMC Caballero

4.4L V8 Gas OHV
1
 
Bore: 3/4 In.
 

GMC Caballero



4.4L V8 Gas OHV Bore: 3/4 In.

1 Per Vehicle

1980

 

1979

 

1978

 

1980

 

1979

 

1978

 
GMC Caballero

3.8L V6 Gas OHV,
5.0L V8 Gas OHV
1
 
Bore: 3/4 In.
 

GMC Caballero



3.8L V6 Gas OHV,
5.0L V8 Gas OHV Bore: 3/4 In.

1 Per Vehicle

1979

 

1978

 

1979

 

1978

 
GMC Caballero

3.3L V6 Gas OHV,
5.7L V8 Gas OHV
1
 
Bore: 3/4 In.
 

GMC Caballero



3.3L V6 Gas OHV,
5.7L V8 Gas OHV Bore: 3/4 In.

1 Per Vehicle

1980

 

1979

 

1978

 

1980

 

1979

 

1978

 
Oldsmobile Cutlass

3.8L V6 Gas OHV,
4.3L V8 Gas OHV,
5.0L V8 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Oldsmobile Cutlass



3.8L V6 Gas OHV,
4.3L V8 Gas OHV,
5.0L V8 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1980

 

1979

 

1978

 

1977

 

1980

 

1979

 

1978

 

1977

 
Oldsmobile Cutlass

5.7L V8 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Oldsmobile Cutlass



5.7L V8 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1977

 

1977

 
Oldsmobile Cutlass

6.6L V8 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Oldsmobile Cutlass



6.6L V8 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1980

 

1979

 

1980

 

1979

 
Oldsmobile Cutlass Calais

5.7L V8 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Oldsmobile Cutlass Calais



5.7L V8 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1980

 

1979

 

1978

 

1980

 

1979

 

1978

 
Oldsmobile Cutlass Calais

3.8L V6 Gas OHV,
4.3L V8 Gas OHV,
5.0L V8 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Oldsmobile Cutlass Calais



3.8L V6 Gas OHV,
4.3L V8 Gas OHV,
5.0L V8 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1980

 

1980

 
Oldsmobile Cutlass Cruiser

3.8L V6 Gas OHV,
4.3L V8 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Oldsmobile Cutlass Cruiser



3.8L V6 Gas OHV,
4.3L V8 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1980

 

1979

 

1978

 

1980

 

1979

 

1978

 
Oldsmobile Cutlass Supreme

3.8L V6 Gas OHV,
4.3L V8 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Oldsmobile Cutlass Supreme



3.8L V6 Gas OHV,
4.3L V8 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1980

 

1980

 
Pontiac Grand Am

4.9L V8 Gas OHV,
5.0L V8 Gas OHV
1
 
Bore: 3/4 In.
 

Pontiac Grand Am



4.9L V8 Gas OHV,
5.0L V8 Gas OHV Bore: 3/4 In.

1 Per Vehicle

1979

 

1979

 
Pontiac Grand Am

3.8L V6 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Pontiac Grand Am



3.8L V6 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1979

 

1978

 

1979

 

1978

 
Pontiac Grand Am

4.9L V8 Gas OHV,
5.0L V8 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Pontiac Grand Am



4.9L V8 Gas OHV,
5.0L V8 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1980

 

1980

 
Pontiac Grand LeMans

4.3L V8 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Pontiac Grand LeMans



4.3L V8 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1980

 

1979

 

1980

 

1979

 
Pontiac Grand LeMans

4.9L V8 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Pontiac Grand LeMans



4.9L V8 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1980

 

1979

 

1978

 

1980

 

1979

 

1978

 
Pontiac Grand LeMans

3.8L V6 Gas OHV,
5.0L V8 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Pontiac Grand LeMans



3.8L V6 Gas OHV,
5.0L V8 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1979

 

1978

 

1979

 

1978

 
Pontiac Grand LeMans

5.7L V8 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Pontiac Grand LeMans



5.7L V8 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1980

 

1980

 
Pontiac Grand Prix

3.8L V6 Gas OHV,
4.3L V8 Gas OHV,
4.9L V8 Gas OHV,
5.0L V8 Gas OHV
1
 
Bore: 3/4 In.
 

Pontiac Grand Prix



3.8L V6 Gas OHV,
4.3L V8 Gas OHV,
4.9L V8 Gas OHV,
5.0L V8 Gas OHV Bore: 3/4 In.

1 Per Vehicle

1979

 

1978

 

1979

 

1978

 
Pontiac Grand Prix

3.8L V6 Gas OHV,
4.9L V8 Gas OHV,
5.0L V8 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Pontiac Grand Prix



3.8L V6 Gas OHV,
4.9L V8 Gas OHV,
5.0L V8 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1980

 

1980

 
Pontiac LeMans

4.3L V8 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Pontiac LeMans



4.3L V8 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1980

 

1979

 

1980

 

1979

 
Pontiac LeMans

4.9L V8 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Pontiac LeMans



4.9L V8 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1980

 

1979

 

1978

 

1980

 

1979

 

1978

 
Pontiac LeMans

3.8L V6 Gas OHV,
5.0L V8 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Pontiac LeMans



3.8L V6 Gas OHV,
5.0L V8 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle

1979

 

1978

 

1979

 

1978

 
Pontiac LeMans

5.7L V8 Gas OHV
1
 
Bore: 3/4 In.
Power Brakes
 

Pontiac LeMans



5.7L V8 Gas OHV Bore: 3/4 In.
Power Brakes

1 Per Vehicle