HomeBrake > Brake HydraulicsDorman M630460 Brake Master Cylinder
Part #: M630460

Dorman M630460 Brake Master Cylinder

⚙️ 8 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Nissan, Frontier and Xterra
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Reliable Brake Master Cylinder for Nissan Frontier and Xterra

The Dorman M630460 Brake Master Cylinder is engineered to restore proper brake hydraulics for Nissan Frontier and Xterra models. Designed with precision, this master cylinder ensures consistent brake fluid pressure and reliable stopping power.

Key Features of the Dorman M630460 Brake Master Cylinder

  • Master cylinder bore diameter: 1 inch for accurate fluid displacement
  • Constructed from durable aluminum material for corrosion resistance
  • Includes reservoir for brake fluid storage and monitoring
  • Equipped with a sensor to monitor brake system performance
  • Two outlets with rearward outlet size M10 x 1.0 and secondary outlet thread diameter 10 mm
  • Thread pitch of 1.0 for secure fitting
  • Package contains the master cylinder unit only

Detailed Description

This Dorman brake master cylinder (part number M630460) is specifically designed for Nissan Frontier and Xterra vehicles, providing a direct replacement for the original component. The aluminum construction offers enhanced durability and resistance to corrosion, which is critical for maintaining brake system integrity over time. The included reservoir allows for proper brake fluid containment and easy inspection, while the integrated sensor supports monitoring of brake system status. With two outlets and precise thread specifications, this master cylinder ensures compatibility with the vehicle’s brake hydraulics system.

Common Brake Issues Addressed by This Master Cylinder

  • Brake pedal sinking or sponginess due to internal leaks
  • Loss of hydraulic pressure affecting braking performance
  • Brake fluid contamination or reservoir damage
  • Sensor failure impacting brake system warnings
  • Wear or corrosion in the original master cylinder assembly

Installation Notes and Tips

  • Ensure brake fluid system is properly bled after installation to remove air
  • Verify thread pitch and outlet sizes match vehicle specifications
  • Check sensor connections for secure fit and proper function
  • Do not reuse old mounting hardware; use OEM or recommended replacements
  • Consult vehicle service manual for torque specifications and installation procedures

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM standards for fit, form, and function. The part number M630460 undergoes rigorous quality control to ensure reliable performance in Nissan Frontier and Xterra brake systems. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandDorman
Part NumberM630460
Mounting Hardware IncludedNo
Master Cylinder Bore Diameter1
Master Cylinder MaterialAluminum
Reservoir IncludedYes
Secondary Outlet Thread Diameter10
Sensor IncludedYes
Number of Outlets2
Package ContentsMaster cylinder
Rearward Outlet SizeM10 x 1.0
Thread Pitch1.0

This part fits 8 vehicles. Search below:

YearMakeModelSubmodelDrive TypeLitersCylindersPositionNotes
2004NissanFrontierSCRWD3.3LV6N/ACompatible with 1-inch bore drum brake wheel cylinders.
2004NissanFrontierSC4WD3.3LV6N/A1 Inch Bore without Vehicle Dynamic Control
2004NissanXterraRWDN/ACompatible with 1-inch bore drum brake wheel cylinders.
2004NissanXterra4WDN/A1 Inch Bore without Vehicle Dynamic Control
2003NissanFrontierSCRWD3.3LV6N/ACompatible with 1-inch bore drum brake wheel cylinders.
2003NissanFrontierSC4WD3.3LV6N/A1 Inch Bore without Vehicle Dynamic Control
2003NissanXterraRWDN/ACompatible with 1-inch bore drum brake wheel cylinders.
2003NissanXterra4WDN/A1 Inch Bore without Vehicle Dynamic Control

* 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:

11-3140130.42329460101Z610F142361M55323MC390837

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