HomeBrake > Brake HydraulicsDorman M630587 Brake Master Cylinder
Part #: M630587

Dorman M630587 Brake Master Cylinder

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5 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Honda, CR-V
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Reliable Brake Master Cylinder for Honda CR-V

The Dorman M630587 brake master cylinder is designed specifically for Honda CR-V models, providing precise hydraulic control for your vehicle's braking system. Crafted from durable aluminum, this master cylinder includes a reservoir and features a 0.875-inch bore diameter to ensure consistent brake performance.

Key Features of the Dorman M630587 Brake Master Cylinder

  • Compatible with Honda CR-V models
  • Master cylinder bore diameter: 0.875 inches
  • Constructed from lightweight, corrosion-resistant aluminum
  • Includes reservoir for brake fluid storage
  • Two outlets with M12 x 1.0 thread size for rearward and secondary connections
  • Thread pitch of 1.0 for secure fittings
  • Mounting hardware not included

Detailed Product Description

The Dorman M630587 brake master cylinder is engineered to meet the hydraulic braking needs of Honda CR-V vehicles. Its aluminum construction offers a balance of strength and corrosion resistance, which is essential for long-term durability in brake hydraulics. The included reservoir allows for proper brake fluid containment and monitoring, while the 0.875-inch bore diameter ensures adequate pressure generation for effective braking. With two outlets featuring M12 x 1.0 threads, this master cylinder supports standard brake line connections, facilitating straightforward installation and reliable operation.

Common Issues Addressed by This Brake Master Cylinder

  • Brake pedal sinking or sponginess due to internal leaks
  • Loss of hydraulic pressure affecting braking efficiency
  • Brake fluid reservoir damage or leaks
  • Corrosion or wear in the master cylinder body
  • Inconsistent brake response in Honda CR-V models

Installation Notes and Tips

  • Ensure compatibility with your specific Honda CR-V year and model before installation
  • Bleed the brake system thoroughly after installation to remove air pockets
  • Use appropriate brake fluid as specified by the vehicle manufacturer
  • Check all connections for proper torque and secure fitment of M12 x 1.0 threaded outlets
  • Mounting hardware is not included; reuse existing hardware or source separately

Quality Assurance and Warranty Information

Dorman manufactures the M630587 brake master cylinder to meet or exceed OEM standards for fit, form, and function. While mounting hardware is not included, the part is designed for direct replacement in compatible Honda CR-V vehicles. Please refer to Dorman's warranty policy for coverage details, which typically includes protection against defects in material and workmanship.

BrandDorman
Part NumberM630587
Master Cylinder Bore Diameter0.875
Master Cylinder MaterialAluminum
Mounting Hardware IncludedNo
Number of Outlets2
Package ContentsMaster Cylinder
Rearward Outlet SizeM12 X 1.0
Reservoir IncludedYes
Secondary Outlet Thread DiameterM12 X 1.0
Sensor IncludedNo
Thread Pitch1.0

This part fits 5 vehicles. Search below:

YearMakeModelPositionNotes
2011HondaCR-VN/AFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
2010HondaCR-VN/AFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
2009HondaCR-VN/AFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
2008HondaCR-VN/AFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
2007HondaCR-VN/AFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.

* 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:

11-330413-3304A130.400711404846100SWAA01MC142391MC390997NM55350

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