HomeBrake > Brake HydraulicsDorman M630652 Brake Master Cylinder
Part #: M630652

Dorman M630652 Brake Master Cylinder

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1 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Saturn, Astra
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Overview of Dorman Brake Master Cylinder for Saturn Astra

The Dorman M630652 brake master cylinder is designed specifically for Saturn Astra models, providing reliable brake hydraulics performance. Crafted from aluminum, this master cylinder offers durability and precision for your vehicle's braking system.

  • Compatible with Saturn Astra models
  • Master cylinder bore diameter: 1 inch
  • Constructed from durable aluminum material
  • Includes two outlets with rearward outlet size M10 x 1.0 and secondary outlet thread diameter M12 x 1.0
  • Does not include mounting hardware, reservoir, or sensor
  • Package contains the master cylinder only

Detailed Product Description

The Dorman M630652 brake master cylinder is engineered to meet the specific hydraulic requirements of Saturn Astra vehicles. Featuring a 1-inch bore diameter, this aluminum master cylinder ensures consistent hydraulic pressure for effective braking. The unit includes two outlets, with precise thread sizes of M10 x 1.0 for the rearward outlet and M12 x 1.0 for the secondary outlet, facilitating proper brake line connections. Note that this part does not come with mounting hardware, reservoir, or sensor, so these components must be sourced separately if needed.

Common Applications and Problem Resolution

  • Restores proper brake fluid pressure in Saturn Astra brake systems
  • Replaces worn or leaking master cylinders causing brake pedal issues
  • Addresses brake fluid leaks from the master cylinder body or outlets
  • Eliminates spongy or unresponsive brake pedal feel
  • Resolves brake system failure due to internal cylinder wear

Installation Notes and Tips

Installation of the Dorman M630652 brake master cylinder requires careful attention to brake line connections and proper bleeding of the brake system to remove air. Since mounting hardware and reservoir are not included, ensure these components are compatible and in good condition before installation. It is recommended to consult the Saturn Astra service manual for torque specifications and installation procedures to maintain safety and performance standards.

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM specifications for fit and function on Saturn Astra vehicles. The aluminum construction provides corrosion resistance and long service life. While specific warranty details are not provided here, Dorman typically offers limited warranties on their brake hydraulic components. Verify warranty coverage with the product documentation or supplier.

BrandDorman
Part NumberM630652
Master Cylinder Bore Diameter1
Master Cylinder MaterialAluminum
Mounting Hardware IncludedNo
Number of Outlets2
Package ContentsMaster Cylinder
Rearward Outlet SizeM10 X 1.0
Reservoir IncludedNo
Secondary Outlet Thread DiameterM12 X 1.0
Sensor IncludedNo
Thread Pitch1.0

This part fits 1 vehicles. Search below:

YearMakeModelPositionNotes
2008SaturnAstraN/AFits vehicles without RPO Code FX3 (Electronically Controlled Suspension)

* 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:

10-398613-3986130.6215693189715F143689MC391171

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