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Dorman M630671 Brake Master Cylinder
Overview of Dorman Brake Master Cylinder M630671
The Dorman Brake Master Cylinder M630671 is designed specifically for Honda Fit and Insight models, providing reliable brake hydraulics performance. Crafted from durable aluminum, this master cylinder ensures consistent braking pressure and long-lasting operation.
- Compatible with Honda Fit and Honda Insight models
- Master cylinder bore diameter: 1.063 inches
- Constructed from lightweight aluminum material
- Includes two outlets with M12 x 1.0 thread size
- Does not include reservoir, sensor, or mounting hardware
Detailed Product Features and Specifications
This Dorman brake master cylinder (part number M630671) features a 1.063-inch bore diameter, which is critical for maintaining proper hydraulic pressure in the brake system. The aluminum construction offers corrosion resistance and reduces overall weight compared to traditional cast iron units. It includes two outlets, both with M12 x 1.0 thread pitch, designed for secure connection to brake lines. Note that the reservoir and sensor are not included with this unit, and mounting hardware must be sourced separately.
Compatible Vehicles and Applications
This master cylinder is engineered for use with Honda Fit and Honda Insight vehicles, ensuring proper fitment and function. It is ideal for replacing worn or damaged master cylinders in these models to restore braking performance.
- Restores brake pressure loss due to worn master cylinder bore
- Addresses brake fluid leaks from the master cylinder
- Resolves spongy or unresponsive brake pedal feel
- Replaces damaged or corroded aluminum master cylinders
Installation Notes and Tips
When installing the Dorman M630671 master cylinder, ensure the brake system is properly bled to remove air and maintain hydraulic integrity. Since mounting hardware and reservoir are not included, verify compatibility with existing components or acquire necessary parts before installation. Use appropriate thread sealant on outlet fittings to prevent leaks.
Quality Assurance and Warranty
Dorman manufactures this brake master cylinder to meet or exceed OEM specifications for Honda Fit and Insight models. While specific warranty details are not provided here, Dorman products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.
| Brand | Dorman |
| Part Number | M630671 |
| Master Cylinder Bore Diameter | 1.063 |
| Master Cylinder Material | Aluminum |
| Mounting Hardware Included | No |
| Number of Outlets | 2 |
| Package Contents | Master Cylinder |
| Rearward Outlet Size | M12 X 1.0 |
| Reservoir Included | No |
| Secondary Outlet Thread Diameter | M12 X 1.0 |
| Sensor Included | No |
| Thread Pitch | 1.0 |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2014 | Honda | Fit | N/A | Drum brake wheel cylinder with a size of 1.0625 inches. |
| 2014 | Honda | Insight | N/A | Drum brake wheel cylinder with a size of 1.0625 inches. |
| 2013 | Honda | Fit | N/A | Drum brake wheel cylinder with a size of 1.0625 inches. |
| 2013 | Honda | Insight | N/A | Drum brake wheel cylinder with a size of 1.0625 inches. |
| 2012 | Honda | Fit | N/A | Drum brake wheel cylinder with a size of 1.0625 inches. |
| 2012 | Honda | Insight | N/A | Drum brake wheel cylinder with a size of 1.0625 inches. |
| 2011 | Honda | Fit | N/A | Bore: 1.0625 In.; w/Navigation System |
| 2011 | Honda | Insight | N/A | Drum brake wheel cylinder with a size of 1.0625 inches. |
| 2010 | Honda | Fit | N/A | Bore: 1.0625 In.; w/Navigation System |
| 2010 | Honda | Insight | N/A | Drum brake wheel cylinder with a size of 1.0625 inches. |
| 2009 | Honda | Fit | N/A | Bore: 1.0625 In.; w/Navigation System |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.