HomeBrake > Brake HydraulicsDorman M630376 Brake Master Cylinder
Part #: M630376

Dorman M630376 Brake Master Cylinder

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⚙️ 5 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Freightliner and Dodge, Sprinter 2500 and Sprinter 3500
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Reliable Brake Master Cylinder for Dodge Sprinter 2500 and 3500

The Dorman M630376 brake master cylinder is engineered to provide consistent hydraulic pressure for your Dodge Sprinter 2500 and Sprinter 3500 models. Designed with durable aluminum construction, this master cylinder ensures reliable brake performance without including mounting hardware or reservoir.

Key Features of the Dorman M630376 Brake Master Cylinder

  • Master cylinder bore diameter: 1 inch for precise hydraulic control
  • Constructed from aluminum for strength and corrosion resistance
  • Includes two outlets with M12 x 1.0 thread pitch for secure brake line connections
  • Rearward outlet and secondary outlet both sized M12 x 1.0
  • Package contains the master cylinder only; reservoir and mounting hardware not included

Detailed Product Description

This Dorman brake master cylinder (part number M630376) is specifically designed for Dodge Sprinter 2500 and Sprinter 3500 vehicles, ensuring compatibility and proper fitment. The 1-inch bore diameter allows for effective brake fluid displacement, while the aluminum material offers durability and resistance to wear and corrosion. The master cylinder features two outlets, both with M12 x 1.0 thread pitch, facilitating secure attachment to the brake hydraulic system. Note that this unit does not include a reservoir or mounting hardware, so those components must be sourced separately if needed.

Common Applications and Issues Addressed

  • Restores proper hydraulic pressure in the brake system
  • Replaces worn or leaking master cylinders causing brake fluid loss
  • Eliminates spongy or unresponsive brake pedal feel
  • Addresses brake failure symptoms related to internal cylinder wear
  • Ensures safe and consistent braking performance for Dodge Sprinter 2500 and 3500

Installation Notes and Tips

  • Verify compatibility with your specific Dodge Sprinter 2500 or 3500 model year before installation
  • Bleed the brake system thoroughly after installation to remove air and ensure proper hydraulic function
  • Since mounting hardware and reservoir are not included, inspect existing components for wear and replace if necessary
  • Use appropriate tools to avoid damaging the M12 x 1.0 threaded outlets during installation

Quality Assurance and Warranty Information

Dorman manufactures this brake master cylinder to meet or exceed OEM specifications for fit, form, and function. While mounting hardware and reservoir are not included, the master cylinder itself is built from high-quality aluminum to resist corrosion and wear. Please consult Dorman's warranty policy for specific coverage details related to part number M630376.

BrandDorman
Part NumberM630376
Master Cylinder Bore Diameter1
Master Cylinder MaterialAluminum
Mounting Hardware IncludedNo
Number of Outlets2
Package ContentsMaster Cylinder
Rearward Outlet SizeM12 X 1.0
Reservoir IncludedNo
Secondary Outlet Thread DiameterM12 X 1.0
Sensor IncludedNo
Thread Pitch1.0

This part fits 5 vehicles. Search below:

YearMakeModelBody TypePositionNotes
2006DodgeSprinter 2500Standard Passenger VanN/ACompatible with 1-inch bore drum brake wheel cylinders.
2005DodgeSprinter 2500Standard Passenger VanN/ACompatible with 1-inch bore drum brake wheel cylinders.
2005DodgeSprinter 3500Standard Passenger VanN/ACompatible with 1-inch bore drum brake wheel cylinders.
2004DodgeSprinter 2500Standard Passenger VanN/ACompatible with 1-inch bore drum brake wheel cylinders.
2003DodgeSprinter 2500Standard Passenger VanN/ACompatible with 1-inch bore drum brake wheel cylinders.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

10-323613-3236130.35500139185119354AAF140763MC390980MC508620NM55334

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.