HomeBrake > Brake HydraulicsDorman M630619 Brake Master Cylinder
Part #: M630619

Dorman M630619 Brake Master Cylinder

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8 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mazda, CX-9
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Reliable Brake Master Cylinder for Mazda CX-9

The Dorman M630619 brake master cylinder is engineered to meet the specific hydraulic needs of the Mazda CX-9. Designed with precision, this aluminum master cylinder ensures consistent brake fluid pressure for safe and effective braking performance.

  • Master cylinder bore diameter: 0.875 inches for optimal fluid displacement
  • Constructed from durable aluminum material for corrosion resistance
  • Includes two outlets with a rearward outlet size of M14 x 1.5 and a thread pitch of 1.5
  • Secondary outlet thread diameter measures 14 mm
  • Package contains the master cylinder only; mounting hardware and reservoir are not included
  • No sensor included, compatible with existing vehicle brake system sensors

Product Details and Specifications

The Dorman M630619 brake master cylinder is designed specifically for the Mazda CX-9, providing a precise fit and reliable operation. Its 0.875-inch bore diameter allows for accurate brake fluid pressure control, essential for maintaining proper braking response. The aluminum construction offers durability and resistance to corrosion, extending the service life of the component. This master cylinder features two outlets, including a rearward outlet sized M14 x 1.5 with a 1.5 thread pitch, ensuring compatibility with the vehicle’s brake hydraulics. Note that this part does not include a reservoir or mounting hardware, so these components must be sourced separately if needed.

Common Applications and Problem Resolution

  • Restores proper brake fluid pressure in Mazda CX-9 brake systems
  • Addresses issues with spongy or unresponsive brake pedal feel
  • Replaces master cylinders with internal leaks or worn seals
  • Solves brake fluid contamination or corrosion-related failures
  • Improves overall brake system reliability and safety

Installation Notes and Tips

Installation of the Dorman M630619 brake master cylinder requires careful attention to brake system bleeding procedures to remove air and ensure proper hydraulic function. Since mounting hardware and reservoir are not included, verify compatibility with existing components before installation. It is recommended to inspect brake lines and fittings for wear or damage during replacement. Professional installation is advised to maintain brake system integrity and safety standards.

Quality Assurance and Warranty Information

Dorman manufactures the M630619 brake master cylinder to meet or exceed OEM specifications for the Mazda CX-9. The aluminum construction and precise machining contribute to long-term durability. While specific warranty details are not provided here, Dorman typically offers limited warranties on their brake hydraulics products. Consult product documentation or authorized sources for exact warranty terms.

BrandDorman
Part NumberM630619
Master Cylinder Bore Diameter0.875
Master Cylinder MaterialAluminum
Mounting Hardware IncludedNo
Number of Outlets2
Package ContentsMaster Cylinder
Rearward Outlet SizeM14 x 1.5
Reservoir IncludedNo
Secondary Outlet Thread Diameter14
Sensor IncludedNo
Thread Pitch1.5

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
2015MazdaCX-9N/A
2014MazdaCX-9N/A
2012MazdaCX-9N/A
2011MazdaCX-9N/A
2010MazdaCX-9N/A
2009MazdaCX-9N/A
2008MazdaCX-9N/A
2007MazdaCX-9N/AFitment for Brake Master Cylinder: From 4/01/07

* 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:

11-355513-4111130.45121F900097MC391214TD114340Z

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