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  2. Auto Parts
  3. Brake System
  4. Brake Hydraulics
  5. Brake Master Cylinder
  6. Dorman M104458

Dorman M104458 Brake Master Cylinder

Dorman M104458 Brake Master Cylinder Image 1
Dorman M104458 Brake Master Cylinder Image 2
Dorman M104458 Brake Master Cylinder Image 3
Dorman M104458 Brake Master Cylinder Image 4
Dorman M104458 Brake Master Cylinder

Dorman
Brand:Dorman
Part Number: M104458
UPC: 00082702392850
Weight: 3.06 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the Dorman M104458 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:
1.125 in.
Master Cylinder Bore Diameter:
1.578 in.
Master Cylinder Material:
Aluminum
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 #:
10-1870
ACDelco #:
174-631
ACDelco #:
18M172
Aimco #:
M900372
Autospecialty #:
M-82006
Bendix #:
12011
Cardone Select #:
13-1870
Centric Parts #:
130.62006
Centric Parts #:
131.62006
Coni-Seal #:
MC104460
Coni-Seal #:
MC1044601
General Motors #:
18008049
General Motors #:
18008058
General Motors #:
18010313
General Motors #:
18013426
Lusac #:
104460
MPA #:
M1870
MPA #:
M2011
MPA #:
NM1870
MPA #:
NM2011
Raybestos Brake #:
2539328
Raybestos Brake #:
MC39328
Wagner Brake #:
F104458
Wagner Brake #:
F104460
Wagner Brake #:
MC104458
Wagner Brake #:
MC104460
Country of Origin:
CN

Select a vehicle to narrow Dorman M104458 Brake Master Cylinder fitment info!

Last Updated: 09/22/2024

Years Vehicle Per Vehicle Fit NotesFitment Notes

1989

 

1988

 

1987

 

1989

 

1988

 

1987

 
Buick Electra

5.0L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Buick Electra



5.0L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1985

 

1985

 
Buick Electra

5.0L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
Exc. Power Master Brakes
 

Buick Electra



5.0L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.
Exc. Power Master Brakes

1 Per Vehicle

1984

 

1984

 
Buick Electra

5.7L V8 Diesel OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Buick Electra



5.7L V8 Diesel OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1984

 

1983

 

1982

 

1981

 
Buick Electra

4.1L V6 Gas OHV,
5.0L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Buick Electra



4.1L V6 Gas OHV,
5.0L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1983

 

1982

 

1981

 

1983

 

1982

 

1981

 
Buick Estate Wagon

5.0L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Buick Estate Wagon



5.0L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1990

 

1990

 
Buick LeSabre

5.0L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
wo/Anti-Lock Brake System (ABS)
 

Buick LeSabre



5.0L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.
wo/Anti-Lock Brake System (ABS)

1 Per Vehicle

1989

 

1988

 

1987

 

1989

 

1988

 

1987

 
Buick LeSabre

5.0L V8 Gas OHV
1
 
Stamped-18008049
 

Buick LeSabre



5.0L V8 Gas OHV Stamped-18008049

1 Per Vehicle

1985

 

1985

 
Buick LeSabre

3.8L V6 Gas OHV,
5.0L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
Exc. Power Master Brakes
 

Buick LeSabre



3.8L V6 Gas OHV,
5.0L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.
Exc. Power Master Brakes

1 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1984

 

1983

 

1982

 

1981

 
Buick LeSabre

3.8L V6 Gas OHV,
4.1L V6 Gas OHV,
5.0L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Buick LeSabre



3.8L V6 Gas OHV,
4.1L V6 Gas OHV,
5.0L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1983

 

1982

 

1983

 

1982

 
Buick Regal

3.8L V6 Gas OHV,
3.8L V6 Gas OHV Turbo,
4.1L V6 Gas OHV,
4.3L V6 Diesel OHV,
5.7L V8 Diesel OHV
1
 
Stamped-18008049
 

Buick Regal



3.8L V6 Gas OHV,
3.8L V6 Gas OHV Turbo,
4.1L V6 Gas OHV,
4.3L V6 Diesel OHV,
5.7L V8 Diesel OHV Stamped-18008049

1 Per Vehicle

1992

 

1991

 

1990

 

1992

 

1991

 

1990

 
Cadillac Brougham

5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
wo/Anti-Lock Brake System (ABS)
 

Cadillac Brougham



5.0L V8 Gas OHV,
5.7L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.
wo/Anti-Lock Brake System (ABS)

1 Per Vehicle

1989

 

1988

 

1987

 

1989

 

1988

 

1987

 
Cadillac Brougham

5.0L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Cadillac Brougham



5.0L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1984

 

1983

 

1982

 

1984

 

1983

 

1982

 
Cadillac DeVille

4.1L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Cadillac DeVille



4.1L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1982

 

1981

 

1982

 

1981

 
Cadillac DeVille

4.1L V6 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Cadillac DeVille



4.1L V6 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1981

 

1981

 
Cadillac DeVille

6.0L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Cadillac DeVille



6.0L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1989

 

1988

 

1989

 

1988

 
Cadillac Fleetwood

4.5L V8 Gas OHV
1
 
Stamped-18008049
 

Cadillac Fleetwood



4.5L V8 Gas OHV Stamped-18008049

1 Per Vehicle

1987

 

1987

 
Cadillac Fleetwood

4.1L V8 Gas OHV
1
 
Stamped-18011910
 

Cadillac Fleetwood



4.1L V8 Gas OHV Stamped-18011910

1 Per Vehicle

1986

 

1986

 
Cadillac Fleetwood

5.0L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
RWD
 

Cadillac Fleetwood



5.0L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.
RWD

1 Per Vehicle

1985

 

1985

 
Cadillac Fleetwood

4.1L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
RWD
 

Cadillac Fleetwood



4.1L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.
RWD

1 Per Vehicle

1984

 

1983

 

1982

 

1984

 

1983

 

1982

 
Cadillac Fleetwood

4.1L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Cadillac Fleetwood



4.1L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1984

 

1983

 

1982

 

1981

 
Cadillac Fleetwood

6.0L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Cadillac Fleetwood



6.0L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1982

 

1981

 

1982

 

1981

 
Cadillac Fleetwood

4.1L V6 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Cadillac Fleetwood



4.1L V6 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1981

 

1981

 
Chevrolet Camaro

3.8L V6 Gas OHV,
4.4L V8 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Chevrolet Camaro



3.8L V6 Gas OHV,
4.4L V8 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1990

 

1989

 

1988

 

1987

 

1990

 

1989

 

1988

 

1987

 
Chevrolet Caprice

4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Chevrolet Caprice



4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1986

 

1985

 

1986

 

1985

 
Chevrolet Caprice

4.3L V6 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
Coupe
 

Chevrolet Caprice



4.3L V6 Gas OHV Bore: 1.125 In. and 1.5781 In.
Coupe

1 Per Vehicle

1986

 

1985

 

1986

 

1985

 
Chevrolet Caprice

4.3L V6 Gas OHV,
5.7L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
Sedan
 

Chevrolet Caprice



4.3L V6 Gas OHV,
5.7L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.
Sedan

1 Per Vehicle

1986

 

1985

 

1984

 

1986

 

1985

 

1984

 
Chevrolet Caprice

5.0L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
Coupe
 

Chevrolet Caprice



5.0L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.
Coupe

1 Per Vehicle

1986

 

1985

 

1984

 

1986

 

1985

 

1984

 
Chevrolet Caprice

5.0L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
Sedan
 

Chevrolet Caprice



5.0L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.
Sedan

1 Per Vehicle

1985

 

1985

 
Chevrolet Caprice

5.7L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
Coupe
 

Chevrolet Caprice



5.7L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.
Coupe

1 Per Vehicle

1984

 

1984

 
Chevrolet Caprice

3.8L V6 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
Coupe
 

Chevrolet Caprice



3.8L V6 Gas OHV Bore: 1.125 In. and 1.5781 In.
Coupe

1 Per Vehicle

1984

 

1984

 
Chevrolet Caprice

3.8L V6 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
Sedan
 

Chevrolet Caprice



3.8L V6 Gas OHV Bore: 1.125 In. and 1.5781 In.
Sedan

1 Per Vehicle

1983

 

1982

 

1981

 

1983

 

1982

 

1981

 
Chevrolet Caprice

3.8L V6 Gas OHV,
5.0L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Chevrolet Caprice



3.8L V6 Gas OHV,
5.0L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1982

 

1981

 

1982

 

1981

 
Chevrolet Caprice

4.4L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Chevrolet Caprice



4.4L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1985

 

1985

 
Chevrolet Impala

4.3L V6 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Chevrolet Impala



4.3L V6 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1985

 

1984

 

1983

 

1982

 

1981

 

1985

 

1984

 

1983

 

1982

 

1981

 
Chevrolet Impala

5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Chevrolet Impala



5.0L V8 Gas OHV,
5.7L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1984

 

1983

 

1982

 

1981

 
Chevrolet Impala

3.8L V6 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Chevrolet Impala



3.8L V6 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1982

 

1981

 

1982

 

1981

 
Chevrolet Impala

4.4L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Chevrolet Impala



4.4L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1984

 

1983

 

1982

 

1981

 
Oldsmobile 98

5.0L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Oldsmobile 98



5.0L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1983

 

1982

 

1981

 

1983

 

1982

 

1981

 
Oldsmobile 98

4.1L V6 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Oldsmobile 98



4.1L V6 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1990

 

1989

 

1988

 

1987

 

1990

 

1989

 

1988

 

1987

 
Oldsmobile Custom Cruiser

5.0L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Oldsmobile Custom Cruiser



5.0L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1986

 

1985

 

1986

 

1985

 
Oldsmobile Custom Cruiser

5.0L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
w/Power Brakes
w/Vacuum Booster
 

Oldsmobile Custom Cruiser



5.0L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.
w/Power Brakes
w/Vacuum Booster

1 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1984

 

1983

 

1982

 

1981

 
Oldsmobile Custom Cruiser

5.0L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Oldsmobile Custom Cruiser



5.0L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1985

 

1984

 

1983

 

1982

 

1981

 

1985

 

1984

 

1983

 

1982

 

1981

 
Oldsmobile Delta 88

3.8L V6 Gas OHV,
5.0L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Oldsmobile Delta 88



3.8L V6 Gas OHV,
5.0L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1982

 

1981

 

1982

 

1981

 
Oldsmobile Delta 88

4.3L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Oldsmobile Delta 88



4.3L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1981

 

1981

 
Pontiac Bonneville

3.8L V6 Gas OHV,
4.3L V8 Gas OHV,
5.0L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Pontiac Bonneville



3.8L V6 Gas OHV,
4.3L V8 Gas OHV,
5.0L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1981

 

1981

 
Pontiac Catalina

3.8L V6 Gas OHV,
4.3L V8 Gas OHV,
5.0L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Pontiac Catalina



3.8L V6 Gas OHV,
4.3L V8 Gas OHV,
5.0L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1981

 

1981

 
Pontiac Firebird

3.8L V6 Gas OHV,
4.3L V8 Gas OHV,
4.9L V8 Gas OHV,
5.0L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
Rear Drum
 

Pontiac Firebird



3.8L V6 Gas OHV,
4.3L V8 Gas OHV,
4.9L V8 Gas OHV,
5.0L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.
Rear Drum

1 Per Vehicle

1986

 

1985

 

1986

 

1985

 
Pontiac Parisienne

4.3L V6 Gas OHV,
5.0L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
w/Power Brakes
w/Vacuum Booster
 

Pontiac Parisienne



4.3L V6 Gas OHV,
5.0L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.
w/Power Brakes
w/Vacuum Booster

1 Per Vehicle

1984

 

1984

 
Pontiac Parisienne

3.8L V6 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Pontiac Parisienne



3.8L V6 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1984

 

1983

 

1984

 

1983

 
Pontiac Parisienne

5.0L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Pontiac Parisienne



5.0L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle

1989

 

1988

 

1987

 

1989

 

1988

 

1987

 
Pontiac Safari

5.0L V8 Gas OHV
1
 
Bore: 1.125 In. and 1.5781 In.
 

Pontiac Safari



5.0L V8 Gas OHV Bore: 1.125 In. and 1.5781 In.

1 Per Vehicle