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Dorman M630334 Brake Master Cylinder

Dorman M630334 Brake Master Cylinder Image 1

Dorman M630334 Brake Master Cylinder Image 2

Dorman M630334 Brake Master Cylinder Image 3

Dorman M630334 Brake Master Cylinder Image 4

Dorman M630334 Brake Master Cylinder


Brand:	Dorman
Part Number:	M630334
UPC:	00082702618219
Weight:	3.43 lbs
Condition:	New

Availability:	0 in Stock
	OUT OF STOCK

Product Information

Description:

Get the Dorman M630334 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:

37 mm

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

Secondary Outlet Thread Diameter:

0.5 in.

Sensor Included:

Yes

A1 Cardone #:

10-3086

ACDelco #:

174-791

Bendix #:

12905

Bendix #:

13905

Cardone Select #:

13-3086

Centric Parts #:

130.66045

Centric Parts #:

131.66045

Coni-Seal #:

MC512700

General Motors #:

18047512

General Motors #:

19209234

MPA #:

M4094

MPA #:

NM4094

Raybestos Brake #:

MC390818

Wagner Brake #:

F140480

Wagner Brake #:

MC140480

Country of Origin:

CN

Select a vehicle to narrow Dorman M630334 Brake Master Cylinder fitment info!

Last Updated: 09/22/2024

Years

Vehicle

Per Vehicle

Fit Notes

Fitment Notes

2006

2005

2004

2003

2006

2005

2004

2003

Chevrolet Avalanche 2500

8.1L V8 Gas OHV

1

Bore: 37 mm

Chevrolet Avalanche 2500

8.1L V8 Gas OHV Bore: 37 mm

1 Per Vehicle

2007

2007

Chevrolet Express 2500

4.8L V8 Gas OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo

1

Bore: 37 mm

Chevrolet Express 2500

4.8L V8 Gas OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo Bore: 37 mm

1 Per Vehicle

2006

2006

Chevrolet Express 2500

6.6L V8 Diesel OHV Turbo

1

8,600 Lb. GVW
Bore: 37 mm

Chevrolet Express 2500

6.6L V8 Diesel OHV Turbo 8,600 Lb. GVW
Bore: 37 mm

1 Per Vehicle

2006

2005

2006

2005

Chevrolet Express 2500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
6.0L V8 Gas OHV

1

8,600 Lb. GVW
Bore: 37 mm

Chevrolet Express 2500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
6.0L V8 Gas OHV 8,600 Lb. GVW
Bore: 37 mm

1 Per Vehicle

2005

2005

Chevrolet Express 2500

5.3L V8 Gas OHV,
6.0L V8 CNG OHV

1

8,600 Lb. GVW
Bore: 37 mm

Chevrolet Express 2500

5.3L V8 Gas OHV,
6.0L V8 CNG OHV 8,600 Lb. GVW
Bore: 37 mm

1 Per Vehicle

2004

2003

2004

2003

Chevrolet Express 2500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Gas OHV,
6.0L V8 CNG OHV,
6.0L V8 Gas OHV

1

8,500 or 8,600 Lb. GVW
Bore: 37 mm

Chevrolet Express 2500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Gas OHV,
6.0L V8 CNG OHV,
6.0L V8 Gas OHV 8,500 or 8,600 Lb. GVW
Bore: 37 mm

1 Per Vehicle

2007

2006

2007

2006

Chevrolet Express 3500

6.6L V8 Diesel OHV Turbo

1

Bore: 37 mm
wo/Active Brake Control

Chevrolet Express 3500

6.6L V8 Diesel OHV Turbo Bore: 37 mm
wo/Active Brake Control

1 Per Vehicle

2007

2006

2005

2004

2003

2007

2006

2005

2004

2003

Chevrolet Express 3500

4.8L V8 Gas OHV,
6.0L V8 Gas OHV

1

Bore: 37 mm
wo/Active Brake Control

Chevrolet Express 3500

4.8L V8 Gas OHV,
6.0L V8 Gas OHV Bore: 37 mm
wo/Active Brake Control

1 Per Vehicle

2005

2004

2003

2005

2004

2003

Chevrolet Express 3500

6.0L V8 CNG OHV

1

Bore: 37 mm
wo/Active Brake Control

Chevrolet Express 3500

6.0L V8 CNG OHV Bore: 37 mm
wo/Active Brake Control

1 Per Vehicle

2007

2007

Chevrolet Silverado 1500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV

1

Bore: 37 mm
w/Disc Brakes

Chevrolet Silverado 1500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV Bore: 37 mm
w/Disc Brakes

1 Per Vehicle

2005

2005

Chevrolet Silverado 1500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV

1

Bore: 37 mm
w/RPO Code JH6 (9,900 Lb. GVW, Power Brakes, Hydraulically Boosted, 4 Wheel Disc) or w/RPO Code JH7 (12,000 Lb. GVW, Power Brakes, Hydraulically Boosted, 4 Wheel Disc)
Crew Cab Pickup
Bed Length 78.0 In.

Chevrolet Silverado 1500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV Bore: 37 mm
w/RPO Code JH6 (9,900 Lb. GVW, Power Brakes, Hydraulically Boosted, 4 Wheel Disc) or w/RPO Code JH7 (12,000 Lb. GVW, Power Brakes, Hydraulically Boosted, 4 Wheel Disc)
Crew Cab Pickup
Bed Length 78.0 In.

1 Per Vehicle

2004

2004

Chevrolet Silverado 1500

5.3L V8 FULL HYBRID EV-Gas FHEV OHV

1

Bore: 37 mm
w/Hydraulic Booster

Chevrolet Silverado 1500

5.3L V8 FULL HYBRID EV-Gas FHEV OHV Bore: 37 mm
w/Hydraulic Booster

1 Per Vehicle

2004

2003

2004

2003

Chevrolet Silverado 1500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV

1

Bore: 37 mm
w/Hydraulic Booster

Chevrolet Silverado 1500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV Bore: 37 mm
w/Hydraulic Booster

1 Per Vehicle

2007

2007

Chevrolet Silverado 1500 Classic

5.3L V8 FULL HYBRID EV-Gas FHEV OHV

1

Bore: 37 mm

Chevrolet Silverado 1500 Classic

5.3L V8 FULL HYBRID EV-Gas FHEV OHV Bore: 37 mm

1 Per Vehicle

2003

2003

Chevrolet Silverado 1500 HD

6.0L V8 Gas OHV

1

Bore: 37 mm
w/Hydraulic Booster

Chevrolet Silverado 1500 HD

6.0L V8 Gas OHV Bore: 37 mm
w/Hydraulic Booster

1 Per Vehicle

2007

2007

Chevrolet Silverado 1500 HD Classic

6.0L V8 Gas OHV

1

Bore: 37 mm

Chevrolet Silverado 1500 HD Classic

6.0L V8 Gas OHV Bore: 37 mm

1 Per Vehicle

2004

2003

2004

2003

Chevrolet Silverado 2500

6.0L V8 Gas OHV

1

Bore: 37 mm

Chevrolet Silverado 2500

6.0L V8 Gas OHV Bore: 37 mm

1 Per Vehicle

2006

2005

2004

2003

2006

2005

2004

2003

Chevrolet Silverado 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

1

Bore: 37 mm

Chevrolet Silverado 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV Bore: 37 mm

1 Per Vehicle

2005

2004

2003

2005

2004

2003

Chevrolet Silverado 2500 HD

6.0L V8 CNG OHV

1

Bore: 37 mm

Chevrolet Silverado 2500 HD

6.0L V8 CNG OHV Bore: 37 mm

1 Per Vehicle

2007

2007

Chevrolet Silverado 2500 HD Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

1

Bore: 37 mm

Chevrolet Silverado 2500 HD Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV Bore: 37 mm

1 Per Vehicle

2006

2005

2004

2003

2006

2005

2004

2003

Chevrolet Silverado 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

1

Bore: 37 mm

Chevrolet Silverado 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV Bore: 37 mm

1 Per Vehicle

2005

2004

2005

2004

Chevrolet Silverado 3500

6.0L V8 CNG OHV

1

Bore: 37 mm

Chevrolet Silverado 3500

6.0L V8 CNG OHV Bore: 37 mm

1 Per Vehicle

2007

2007

Chevrolet Silverado 3500 Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

1

Bore: 37 mm

Chevrolet Silverado 3500 Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV Bore: 37 mm

1 Per Vehicle

2006

2005

2004

2003

2006

2005

2004

2003

Chevrolet Suburban 2500

6.0L V8 Gas OHV,
8.1L V8 Gas OHV

1

Bore: 37 mm

Chevrolet Suburban 2500

6.0L V8 Gas OHV,
8.1L V8 Gas OHV Bore: 37 mm

1 Per Vehicle

2007

2007

GMC Savana 2500

4.8L V8 Gas OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo

1

Bore: 37 mm

GMC Savana 2500

4.8L V8 Gas OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo Bore: 37 mm

1 Per Vehicle

2006

2006

GMC Savana 2500

6.6L V8 Diesel OHV Turbo

1

8,600 Lb. GVW
Bore: 37 mm

GMC Savana 2500

6.6L V8 Diesel OHV Turbo 8,600 Lb. GVW
Bore: 37 mm

1 Per Vehicle

2006

2005

2006

2005

GMC Savana 2500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
6.0L V8 Gas OHV

1

8,600 Lb. GVW
Bore: 37 mm

GMC Savana 2500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
6.0L V8 Gas OHV 8,600 Lb. GVW
Bore: 37 mm

1 Per Vehicle

2005

2005

GMC Savana 2500

5.3L V8 Gas OHV,
6.0L V8 CNG OHV

1

8,600 Lb. GVW
Bore: 37 mm

GMC Savana 2500

5.3L V8 Gas OHV,
6.0L V8 CNG OHV 8,600 Lb. GVW
Bore: 37 mm

1 Per Vehicle

2004

2003

2004

2003

GMC Savana 2500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Gas OHV,
6.0L V8 CNG OHV,
6.0L V8 Gas OHV

1

8,500 or 8,600 Lb. GVW
Bore: 37 mm

GMC Savana 2500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Gas OHV,
6.0L V8 CNG OHV,
6.0L V8 Gas OHV 8,500 or 8,600 Lb. GVW
Bore: 37 mm

1 Per Vehicle

2007

2006

2007

2006

GMC Savana 3500

6.6L V8 Diesel OHV Turbo

1

Bore: 37 mm
wo/Active Brake Control

GMC Savana 3500

6.6L V8 Diesel OHV Turbo Bore: 37 mm
wo/Active Brake Control

1 Per Vehicle

2007

2006

2005

2004

2003

2007

2006

2005

2004

2003

GMC Savana 3500

4.8L V8 Gas OHV,
6.0L V8 Gas OHV

1

Bore: 37 mm
wo/Active Brake Control

GMC Savana 3500

4.8L V8 Gas OHV,
6.0L V8 Gas OHV Bore: 37 mm
wo/Active Brake Control

1 Per Vehicle

2005

2004

2003

2005

2004

2003

GMC Savana 3500

6.0L V8 CNG OHV

1

Bore: 37 mm
wo/Active Brake Control

GMC Savana 3500

6.0L V8 CNG OHV Bore: 37 mm
wo/Active Brake Control

1 Per Vehicle

2007

2007

GMC Sierra 1500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV,
6.2L V8 Gas OHV

1

Bore: 37 mm
w/Disc Brakes

GMC Sierra 1500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV,
6.2L V8 Gas OHV Bore: 37 mm
w/Disc Brakes

1 Per Vehicle

2005

2005

GMC Sierra 1500

4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV

1

Bore: 37 mm
w/RPO Code JH6 (9,900 Lb. GVW, Power Brakes, Hydraulically Boosted, 4 Wheel Disc) or w/RPO Code JH7 (12,000 Lb. GVW, Power Brakes, Hydraulically Boosted, 4 Wheel Disc)
Crew Cab Pickup
Bed Length 78.0 In.

GMC Sierra 1500

4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV Bore: 37 mm
w/RPO Code JH6 (9,900 Lb. GVW, Power Brakes, Hydraulically Boosted, 4 Wheel Disc) or w/RPO Code JH7 (12,000 Lb. GVW, Power Brakes, Hydraulically Boosted, 4 Wheel Disc)
Crew Cab Pickup
Bed Length 78.0 In.

1 Per Vehicle

2004

2003

2004

2003

GMC Sierra 1500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV

1

Bore: 37 mm
w/Hydraulic Booster

GMC Sierra 1500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV Bore: 37 mm
w/Hydraulic Booster

1 Per Vehicle

2007

2007

GMC Sierra 1500 Classic

5.3L V8 FULL HYBRID EV-Gas FHEV OHV,
6.0L V8 Gas OHV

1

Bore: 37 mm

GMC Sierra 1500 Classic

5.3L V8 FULL HYBRID EV-Gas FHEV OHV,
6.0L V8 Gas OHV Bore: 37 mm

1 Per Vehicle

2003

2003

GMC Sierra 1500 HD

6.0L V8 Gas OHV

1

Bore: 37 mm
w/Hydraulic Booster

GMC Sierra 1500 HD

6.0L V8 Gas OHV Bore: 37 mm
w/Hydraulic Booster

1 Per Vehicle

2007

2007

GMC Sierra 1500 HD Classic

6.0L V8 Gas OHV

1

Bore: 37 mm

GMC Sierra 1500 HD Classic

6.0L V8 Gas OHV Bore: 37 mm

1 Per Vehicle

2004

2003

2004

2003

GMC Sierra 2500

6.0L V8 Gas OHV

1

Bore: 37 mm

GMC Sierra 2500

6.0L V8 Gas OHV Bore: 37 mm

1 Per Vehicle

2006

2005

2004

2003

2006

2005

2004

2003

GMC Sierra 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

1

Bore: 37 mm

GMC Sierra 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV Bore: 37 mm

1 Per Vehicle

2005

2004

2003

2005

2004

2003

GMC Sierra 2500 HD

6.0L V8 CNG OHV

1

Bore: 37 mm

GMC Sierra 2500 HD

6.0L V8 CNG OHV Bore: 37 mm

1 Per Vehicle

2007

2007

GMC Sierra 2500 HD Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

1

Bore: 37 mm

GMC Sierra 2500 HD Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV Bore: 37 mm

1 Per Vehicle

2006

2005

2004

2003

2006

2005

2004

2003

GMC Sierra 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

1

Bore: 37 mm

GMC Sierra 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV Bore: 37 mm

1 Per Vehicle

2005

2004

2005

2004

GMC Sierra 3500

6.0L V8 CNG OHV

1

Bore: 37 mm

GMC Sierra 3500

6.0L V8 CNG OHV Bore: 37 mm

1 Per Vehicle

2007

2007

GMC Sierra 3500 Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

1

Bore: 37 mm

GMC Sierra 3500 Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV Bore: 37 mm

1 Per Vehicle

2006

2005

2004

2003

2006

2005

2004

2003

GMC Yukon XL 2500

6.0L V8 Gas OHV,
8.1L V8 Gas OHV

1

Bore: 37 mm

GMC Yukon XL 2500

6.0L V8 Gas OHV,
8.1L V8 Gas OHV Bore: 37 mm

1 Per Vehicle

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