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  2. Auto Parts
  3. Brake System
  4. Brake Hydraulics
  5. Brake Master Cylinder
  6. Dorman M12671

Dorman M12671 Brake Master Cylinder

Dorman M12671 Brake Master Cylinder Image 1
Dorman M12671 Brake Master Cylinder Image 2
Dorman M12671 Brake Master Cylinder Image 3
Dorman M12671 Brake Master Cylinder Image 4
Dorman M12671 Brake Master Cylinder

Dorman
Brand:Dorman
Part Number: M12671
UPC: 00885484126831
Weight: 13.35 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the Dorman M12671 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:
2 in.
Master Cylinder Material:
Cast Iron
Mounting Hardware Included:
No
Number of Outlets:
2
Package Contents:
Master Cylinder
Reservoir Included:
Yes
Secondary Outlet Thread Diameter:
0.5 in.
Sensor Included:
Yes
A1 Cardone #:
10-8037
ACDelco #:
174-870
ACDelco #:
18M870
Aimco #:
M901351
Autospecialty #:
M-92004
Bendix #:
12671
Cardone Select #:
13-8037
Centric Parts #:
130.82004
General Motors #:
15716128
General Motors #:
19301987
Isuzu #:
8157161280
Isuzu #:
8193019870
Raybestos Brake #:
MC390565
Wagner Brake #:
F128411
Wagner Brake #:
F140746
Wagner Brake #:
MC128411
Wagner Brake #:
MC140746
Country of Origin:
CN

Select a vehicle to narrow Dorman M12671 Brake Master Cylinder fitment info!

Last Updated: 06/28/2024

Years Vehicle Per Vehicle Fit NotesFitment Notes

2002

 

2001

 

2002

 

2001

 
Chevrolet B7

8.1L V8 Gas OHV
1
 
Bore: 2 In.
 

Chevrolet B7



8.1L V8 Gas OHV Bore: 2 In.

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

2002

 

2001

 

2000

 

1999

 

1998

 
Chevrolet B7

7.2L L6 Diesel Turbo
1
 
Bore: 2 In.
 

Chevrolet B7



7.2L L6 Diesel Turbo Bore: 2 In.

1 Per Vehicle

2000

 

1999

 

2000

 

1999

 
Chevrolet B7

7.4L V8 Gas OHV
1
 
Bore: 2 In.
 

Chevrolet B7



7.4L V8 Gas OHV Bore: 2 In.

1 Per Vehicle

1998

 

1997

 

1998

 

1997

 
Chevrolet B7

6.0L V8 Gas,
6.5L V8 Diesel OHV Turbo,
6.6L L6 Diesel Turbo,
7.0L V8 Gas OHV
1
 
Bore: 2 In.
 

Chevrolet B7



6.0L V8 Gas,
6.5L V8 Diesel OHV Turbo,
6.6L L6 Diesel Turbo,
7.0L V8 Gas OHV Bore: 2 In.

1 Per Vehicle

1996

 

1995

 

1994

 

1996

 

1995

 

1994

 
Chevrolet B7

7.0L V8 Gas OHV
1
 
Bore: 2 In.
w/RPO Code F43 (9,000 Lb. Capacity Front Axle F090)
 

Chevrolet B7



7.0L V8 Gas OHV Bore: 2 In.
w/RPO Code F43 (9,000 Lb. Capacity Front Axle F090)

1 Per Vehicle

1996

 

1995

 

1994

 

1993

 

1996

 

1995

 

1994

 

1993

 
Chevrolet B7

6.0L V8 Gas,
6.6L L6 Diesel Turbo
1
 
Bore: 2 In.
w/RPO Code F43 (9,000 Lb. Capacity Front Axle F090)
 

Chevrolet B7



6.0L V8 Gas,
6.6L L6 Diesel Turbo Bore: 2 In.
w/RPO Code F43 (9,000 Lb. Capacity Front Axle F090)

1 Per Vehicle

1996

 

1995

 

1994

 

1993

 

1992

 

1996

 

1995

 

1994

 

1993

 

1992

 
Chevrolet C60 Kodiak

6.0L V8 Gas,
6.6L L6 Diesel Turbo,
7.0L V8 Gas OHV
1
 
Bore: 2 In.
w/RPO Code FL2 (11,000 Lb. Capacity Front Axle)
w/RPO Code FS7 (12,000 Lb. Capacity Front Axle)
 

Chevrolet C60 Kodiak



6.0L V8 Gas,
6.6L L6 Diesel Turbo,
7.0L V8 Gas OHV Bore: 2 In.
w/RPO Code FL2 (11,000 Lb. Capacity Front Axle)
w/RPO Code FS7 (12,000 Lb. Capacity Front Axle)

1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
Chevrolet C6500 Kodiak

8.1L V8 Gas OHV
1
 
Bore: 2 In.
 

Chevrolet C6500 Kodiak



8.1L V8 Gas OHV Bore: 2 In.

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

2002

 

2001

 

2000

 

1999

 

1998

 
Chevrolet C6500 Kodiak

7.2L L6 Diesel Turbo
1
 
Bore: 2 In.
 

Chevrolet C6500 Kodiak



7.2L L6 Diesel Turbo Bore: 2 In.

1 Per Vehicle

2000

 

1999

 

2000

 

1999

 
Chevrolet C6500 Kodiak

7.4L V8 Gas OHV
1
 
Bore: 2 In.
 

Chevrolet C6500 Kodiak



7.4L V8 Gas OHV Bore: 2 In.

1 Per Vehicle

1998

 

1997

 

1998

 

1997

 
Chevrolet C6500 Kodiak

6.0L V8 Gas,
6.6L L6 Diesel Turbo,
7.0L V8 Gas OHV
1
 
Bore: 2 In.
 

Chevrolet C6500 Kodiak



6.0L V8 Gas,
6.6L L6 Diesel Turbo,
7.0L V8 Gas OHV Bore: 2 In.

1 Per Vehicle

1996

 

1995

 

1994

 

1993

 

1992

 

1996

 

1995

 

1994

 

1993

 

1992

 
Chevrolet C70 Kodiak

6.0L V8 Gas,
6.6L L6 Diesel Turbo,
7.0L V8 Gas OHV
1
 
Bore: 2 In.
w/RPO Code FL2 (11,000 Lb. Capacity Front Axle)
w/RPO Code FS7 (12,000 Lb. Capacity Front Axle)
 

Chevrolet C70 Kodiak



6.0L V8 Gas,
6.6L L6 Diesel Turbo,
7.0L V8 Gas OHV Bore: 2 In.
w/RPO Code FL2 (11,000 Lb. Capacity Front Axle)
w/RPO Code FS7 (12,000 Lb. Capacity Front Axle)

1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
Chevrolet C7500 Kodiak

8.1L V8 Gas OHV
1
 
Bore: 2 In.
 

Chevrolet C7500 Kodiak



8.1L V8 Gas OHV Bore: 2 In.

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

2002

 

2001

 

2000

 

1999

 

1998

 
Chevrolet C7500 Kodiak

7.2L L6 Diesel Turbo
1
 
Bore: 2 In.
 

Chevrolet C7500 Kodiak



7.2L L6 Diesel Turbo Bore: 2 In.

1 Per Vehicle

2000

 

1999

 

2000

 

1999

 
Chevrolet C7500 Kodiak

7.4L V8 Gas OHV
1
 
Bore: 2 In.
 

Chevrolet C7500 Kodiak



7.4L V8 Gas OHV Bore: 2 In.

1 Per Vehicle

1998

 

1997

 

1998

 

1997

 
Chevrolet C7500 Kodiak

6.0L V8 Gas,
6.6L L6 Diesel Turbo,
7.0L V8 Gas OHV
1
 
Bore: 2 In.
 

Chevrolet C7500 Kodiak



6.0L V8 Gas,
6.6L L6 Diesel Turbo,
7.0L V8 Gas OHV Bore: 2 In.

1 Per Vehicle

1996

 

1995

 

1994

 

1993

 

1992

 

1996

 

1995

 

1994

 

1993

 

1992

 
Chevrolet P6000

6.0L V8 Gas,
6.6L L6 Diesel Turbo,
7.0L V8 Gas OHV
1
 
Bore: 2 In.
w/RPO Code FL2 (11,000 Lb. Capacity Front Axle)
 

Chevrolet P6000



6.0L V8 Gas,
6.6L L6 Diesel Turbo,
7.0L V8 Gas OHV Bore: 2 In.
w/RPO Code FL2 (11,000 Lb. Capacity Front Axle)

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

2002

 

2001

 

2000

 

1999

 
Chevrolet T6500

7.8L L6 Diesel Turbo
1
 
Bore: 2 In.
 

Chevrolet T6500



7.8L L6 Diesel Turbo Bore: 2 In.

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

2002

 

2001

 

2000

 

1999

 

1998

 
Chevrolet T6500

7.2L L6 Diesel Turbo
1
 
Bore: 2 In.
 

Chevrolet T6500



7.2L L6 Diesel Turbo Bore: 2 In.

1 Per Vehicle

1998

 

1997

 

1998

 

1997

 
Chevrolet T6500

6.0L V8 Gas,
6.6L L6 Diesel Turbo
1
 
Bore: 2 In.
 

Chevrolet T6500



6.0L V8 Gas,
6.6L L6 Diesel Turbo Bore: 2 In.

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

2002

 

2001

 

2000

 

1999

 
Chevrolet T7500

7.8L L6 Diesel Turbo
1
 
Bore: 2 In.
 

Chevrolet T7500



7.8L L6 Diesel Turbo Bore: 2 In.

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

2002

 

2001

 

2000

 

1999

 

1998

 
Chevrolet T7500

7.2L L6 Diesel Turbo
1
 
Bore: 2 In.
 

Chevrolet T7500



7.2L L6 Diesel Turbo Bore: 2 In.

1 Per Vehicle

1998

 

1997

 

1998

 

1997

 
Chevrolet T7500

6.0L V8 Gas,
6.6L L6 Diesel Turbo
1
 
Bore: 2 In.
 

Chevrolet T7500



6.0L V8 Gas,
6.6L L6 Diesel Turbo Bore: 2 In.

1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
GMC B7

8.1L V8 Gas OHV
1
 
Bore: 2 In.
 

GMC B7



8.1L V8 Gas OHV Bore: 2 In.

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

2002

 

2001

 

2000

 

1999

 

1998

 
GMC B7

7.2L L6 Diesel Turbo
1
 
Bore: 2 In.
 

GMC B7



7.2L L6 Diesel Turbo Bore: 2 In.

1 Per Vehicle

2000

 

1999

 

2000

 

1999

 
GMC B7

7.4L V8 Gas OHV
1
 
Bore: 2 In.
 

GMC B7



7.4L V8 Gas OHV Bore: 2 In.

1 Per Vehicle

1998

 

1997

 

1998

 

1997

 
GMC B7

6.0L V8 Gas,
6.5L V8 Diesel OHV Turbo,
6.6L L6 Diesel Turbo,
7.0L V8 Gas OHV
1
 
Bore: 2 In.
 

GMC B7



6.0L V8 Gas,
6.5L V8 Diesel OHV Turbo,
6.6L L6 Diesel Turbo,
7.0L V8 Gas OHV Bore: 2 In.

1 Per Vehicle

1996

 

1995

 

1994

 

1996

 

1995

 

1994

 
GMC B7

7.0L V8 Gas OHV
1
 
Bore: 2 In.
w/RPO Code F43 (9,000 Lb. Capacity Front Axle F090)
 

GMC B7



7.0L V8 Gas OHV Bore: 2 In.
w/RPO Code F43 (9,000 Lb. Capacity Front Axle F090)

1 Per Vehicle

1996

 

1995

 

1994

 

1993

 

1996

 

1995

 

1994

 

1993

 
GMC B7

6.0L V8 Gas,
6.6L L6 Diesel Turbo
1
 
Bore: 2 In.
w/RPO Code F43 (9,000 Lb. Capacity Front Axle F090)
 

GMC B7



6.0L V8 Gas,
6.6L L6 Diesel Turbo Bore: 2 In.
w/RPO Code F43 (9,000 Lb. Capacity Front Axle F090)

1 Per Vehicle

1996

 

1995

 

1994

 

1993

 

1992

 

1996

 

1995

 

1994

 

1993

 

1992

 
GMC C6000 Topkick

6.0L V8 Gas,
6.6L L6 Diesel Turbo,
7.0L V8 Gas OHV
1
 
w/RPO Code FL2 (11,000 Lb. Capacity Front Axle)
w/RPO Code FS7 (12,000 Lb. Capacity Front Axle)
 

GMC C6000 Topkick



6.0L V8 Gas,
6.6L L6 Diesel Turbo,
7.0L V8 Gas OHV w/RPO Code FL2 (11,000 Lb. Capacity Front Axle)
w/RPO Code FS7 (12,000 Lb. Capacity Front Axle)

1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
GMC C6500 Topkick

8.1L V8 Gas OHV
1
 
Bore: 2 In.
 

GMC C6500 Topkick



8.1L V8 Gas OHV Bore: 2 In.

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

2002

 

2001

 

2000

 

1999

 

1998

 
GMC C6500 Topkick

7.2L L6 Diesel Turbo
1
 
Bore: 2 In.
 

GMC C6500 Topkick



7.2L L6 Diesel Turbo Bore: 2 In.

1 Per Vehicle

2000

 

1999

 

2000

 

1999

 
GMC C6500 Topkick

7.4L V8 Gas OHV
1
 
Bore: 2 In.
 

GMC C6500 Topkick



7.4L V8 Gas OHV Bore: 2 In.

1 Per Vehicle

1998

 

1997

 

1998

 

1997

 
GMC C6500 Topkick

6.0L V8 Gas,
6.6L L6 Diesel Turbo,
7.0L V8 Gas OHV
1
 
Bore: 2 In.
 

GMC C6500 Topkick



6.0L V8 Gas,
6.6L L6 Diesel Turbo,
7.0L V8 Gas OHV Bore: 2 In.

1 Per Vehicle

1996

 

1995

 

1994

 

1993

 

1992

 

1996

 

1995

 

1994

 

1993

 

1992

 
GMC C7000 Topkick

6.0L V8 Gas,
6.6L L6 Diesel Turbo,
7.0L V8 Gas OHV
1
 
Bore: 2 In.
w/RPO Code FL2 (11,000 Lb. Capacity Front Axle)
w/RPO Code FS7 (12,000 Lb. Capacity Front Axle)
 

GMC C7000 Topkick



6.0L V8 Gas,
6.6L L6 Diesel Turbo,
7.0L V8 Gas OHV Bore: 2 In.
w/RPO Code FL2 (11,000 Lb. Capacity Front Axle)
w/RPO Code FS7 (12,000 Lb. Capacity Front Axle)

1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
GMC C7500 Topkick

8.1L V8 Gas OHV
1
 
Bore: 2 In.
 

GMC C7500 Topkick



8.1L V8 Gas OHV Bore: 2 In.

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

2002

 

2001

 

2000

 

1999

 

1998

 
GMC C7500 Topkick

7.2L L6 Diesel Turbo
1
 
Bore: 2 In.
 

GMC C7500 Topkick



7.2L L6 Diesel Turbo Bore: 2 In.

1 Per Vehicle

2000

 

1999

 

2000

 

1999

 
GMC C7500 Topkick

7.4L V8 Gas OHV
1
 
Bore: 2 In.
 

GMC C7500 Topkick



7.4L V8 Gas OHV Bore: 2 In.

1 Per Vehicle

1998

 

1997

 

1998

 

1997

 
GMC C7500 Topkick

6.0L V8 Gas,
6.6L L6 Diesel Turbo,
7.0L V8 Gas OHV
1
 
Bore: 2 In.
 

GMC C7500 Topkick



6.0L V8 Gas,
6.6L L6 Diesel Turbo,
7.0L V8 Gas OHV Bore: 2 In.

1 Per Vehicle

1996

 

1995

 

1994

 

1993

 

1992

 

1996

 

1995

 

1994

 

1993

 

1992

 
GMC P6500

6.0L V8 Gas,
6.6L L6 Diesel Turbo,
7.0L V8 Gas OHV
1
 
Bore: 2 In.
w/RPO Code FL2 (11,000 Lb. Capacity Front Axle)
 

GMC P6500



6.0L V8 Gas,
6.6L L6 Diesel Turbo,
7.0L V8 Gas OHV Bore: 2 In.
w/RPO Code FL2 (11,000 Lb. Capacity Front Axle)

1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
GMC T6500

7.2L L6 Diesel Turbo,
7.8L L6 Diesel Turbo
1
 
Bore: 2 In.
 

GMC T6500



7.2L L6 Diesel Turbo,
7.8L L6 Diesel Turbo Bore: 2 In.

1 Per Vehicle

2000

 

1999

 

2000

 

1999

 
GMC T6500

7.8L L6 Diesel Turbo
1
 		 

GMC T6500



7.8L L6 Diesel Turbo
1 Per Vehicle

2000

 

1999

 

1998

 

2000

 

1999

 

1998

 
GMC T6500

7.2L L6 Diesel Turbo
1
 		 

GMC T6500



7.2L L6 Diesel Turbo
1 Per Vehicle

1998

 

1997

 

1998

 

1997

 
GMC T6500

6.0L V8 Gas,
6.6L L6 Diesel Turbo
1
 		 

GMC T6500



6.0L V8 Gas,
6.6L L6 Diesel Turbo
1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

2002

 

2001

 

2000

 

1999

 
GMC T7500

7.8L L6 Diesel Turbo
1
 
Bore: 2 In.
 

GMC T7500



7.8L L6 Diesel Turbo Bore: 2 In.

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

2002

 

2001

 

2000

 

1999

 

1998

 
GMC T7500

7.2L L6 Diesel Turbo
1
 
Bore: 2 In.
 

GMC T7500



7.2L L6 Diesel Turbo Bore: 2 In.

1 Per Vehicle

1998

 

1997

 

1998

 

1997

 
GMC T7500

6.0L V8 Gas,
6.6L L6 Diesel Turbo
1
 
Bore: 2 In.
 

GMC T7500



6.0L V8 Gas,
6.6L L6 Diesel Turbo Bore: 2 In.

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

2002

 

2001

 

2000

 

1999

 

1998

 
Isuzu FSR

7.8L L6 Diesel Turbo
1
 
Bore: 2 In.
 

Isuzu FSR



7.8L L6 Diesel Turbo Bore: 2 In.

1 Per Vehicle

1998

 

1997

 

1998

 

1997

 
Isuzu FSR

7.1L L6 Diesel Turbo
1
 
Bore: 2 In.
 

Isuzu FSR



7.1L L6 Diesel Turbo Bore: 2 In.

1 Per Vehicle

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 
Isuzu FTR

7.8L L6 Diesel Turbo
1
 
Bore: 2 In.
 

Isuzu FTR



7.8L L6 Diesel Turbo Bore: 2 In.

1 Per Vehicle

1998

 

1997

 

1998

 

1997

 
Isuzu FTR

7.1L L6 Diesel Turbo
1
 
Bore: 2 In.
 

Isuzu FTR



7.1L L6 Diesel Turbo Bore: 2 In.

1 Per Vehicle

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 
Isuzu FVR

7.8L L6 Diesel Turbo
1
 
Bore: 2 In.
 

Isuzu FVR



7.8L L6 Diesel Turbo Bore: 2 In.

1 Per Vehicle

1998

 

1997

 

1998

 

1997

 
Isuzu FVR

7.1L L6 Diesel Turbo
1
 
Bore: 2 In.
 

Isuzu FVR



7.1L L6 Diesel Turbo Bore: 2 In.

1 Per Vehicle