HomeBrake > Brake HydraulicsDorman M630484 Brake Master Cylinder
Part #: M630484

Dorman M630484 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 M630484 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.

  • 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 support brake system diagnostics
  • Two outlets with rearward outlet size M10 x 1.0 and thread pitch 1.0 for secure connections

Product Details and Specifications

The Dorman M630484 master cylinder features a 1-inch bore diameter, which is critical for maintaining the correct hydraulic pressure in the brake system. Its aluminum construction offers strength and resistance to corrosion, extending the service life of the component. The included reservoir allows for proper brake fluid containment and easy inspection. This master cylinder is designed with two outlets, including a secondary outlet thread diameter of 10 mm and a rearward outlet size of M10 x 1.0, ensuring compatibility with the brake lines on Nissan Frontier and Xterra vehicles. Additionally, the integrated sensor supports the vehicle’s brake system monitoring, helping to detect issues early.

Compatible Nissan Models and Applications

This brake master cylinder is specifically compatible with Nissan Frontier and Nissan Xterra models. It is intended for use in brake hydraulic systems requiring a 1-inch bore diameter master cylinder with the specified outlet sizes and sensor integration. The part number M630484 corresponds directly to this application, making it a suitable replacement for worn or damaged master cylinders in these vehicles.

  • Restores brake fluid pressure for consistent braking performance
  • Replaces leaking or damaged master cylinders causing brake fluid loss
  • Addresses brake warning light issues related to sensor faults
  • Solves spongy or unresponsive brake pedal feel
  • Prevents brake system failure due to internal component wear

Installation Notes and Tips

Installation of the Dorman M630484 master cylinder requires proper brake system bleeding to remove air and ensure optimal hydraulic function. Verify that the mounting surface and brake lines match the specified outlet thread sizes (M10 x 1.0) before installation. Sensor connections should be securely attached to maintain brake system diagnostics. It is recommended to inspect related brake components during installation to ensure overall system integrity.

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction and integrated sensor contribute to reliable operation under normal driving conditions. While specific warranty details are not provided here, Dorman products typically include a limited warranty covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandDorman
Part NumberM630484
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:

YearMakeModelDrive TypeTransmissionPositionNotes
2010NissanFrontierAutomaticN/ABore: 1 In.; wo/Traction Control; wo/Limited Slip Differential
2009NissanFrontierAutomaticN/ABore: 1 In.; wo/Traction Control; wo/Limited Slip Differential
2008NissanFrontierAutomaticN/ABore: 1 In.; wo/Traction Control; wo/Limited Slip Differential
2007NissanFrontierAutomaticN/ABore: 1 In.; Exc. Traction Control; wo/Limited Slip Differential
2006NissanFrontierAutomaticN/ABore: 1 In.; Exc. Traction Control; wo/Limited Slip Differential
2006NissanXterraRWDAutomaticN/A1 Inch Bore without Vehicle Dynamic Control
2005NissanFrontierAutomaticN/ABore: 1 In.; Exc. Traction Control; wo/Limited Slip Differential
2005NissanXterraRWDAutomaticN/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:

11-328913-3289130.4233446010EA220F142373MC390996MR527633NM55325

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