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Dorman M631005 Brake Master Cylinder
Reliable Brake Master Cylinder for Honda Fit
The Dorman M631005 brake master cylinder is engineered to restore proper brake hydraulics for your Honda Fit. Designed with precision, this aluminum master cylinder ensures consistent brake fluid pressure for safe and responsive braking performance.
- Compatible with Honda Fit models
- Master cylinder bore diameter: 0.75 inches
- Constructed from durable aluminum material
- Two mounting holes for secure installation
- Includes one new master cylinder with removable reservoir type
- Secondary outlet thread diameter: 12 mm (M12 x 1.0)
- Two outlets for efficient brake fluid distribution
Product Details and Specifications
The Dorman M631005 brake master cylinder is crafted from aluminum, providing a lightweight yet durable component for your vehicle's brake hydraulics system. It features a 0.75-inch bore diameter, which is critical for maintaining proper hydraulic pressure. This master cylinder includes two mounting holes to ensure a secure fit on your Honda Fit. The removable reservoir type allows for easier maintenance and fluid replacement. With two outlets and a secondary outlet thread diameter of M12 x 1.0, this part supports efficient brake fluid flow to the braking system. Note that this product does not include mounting hardware, brake booster, push rod, reservoir, bleeder hoses, sensor, or mounting bracket.
Common Applications and Problem Resolution
- Restores brake fluid pressure for improved braking response
- Replaces worn or leaking master cylinders causing brake failure
- Addresses spongy or unresponsive brake pedal issues
- Fixes brake fluid leaks from the master cylinder assembly
- Ensures proper brake hydraulics for safe vehicle operation
Installation Notes and Tips
When installing the Dorman M631005 brake master cylinder on your Honda Fit, ensure the mounting surface is clean and free of debris. Use the two mounting holes to secure the unit firmly. Since mounting hardware is not included, you will need to reuse existing hardware or acquire appropriate fasteners. Bleed the brake system thoroughly after installation to remove air and restore proper hydraulic pressure. Verify that the removable reservoir is properly seated and sealed to prevent leaks.
Quality Assurance and Warranty
Dorman manufactures the M631005 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction provides corrosion resistance and durability under normal operating conditions. This part is backed by Dorman's quality assurance processes to ensure reliable performance. Please refer to Dorman's official warranty policy for specific coverage details.
| Brand | Dorman |
| Part Number | M631005 |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 2 |
| Master Cylinder Bore Diameter | 0.75 |
| Brake Booster Included | No |
| Master Cylinder Cap Included | No |
| Master Cylinder Material | Aluminum |
| Push Rod Included | No |
| Reservoir Included | No |
| Secondary Outlet Thread Diameter | 12 |
| Bleeder Hoses Included | No |
| Sensor Included | No |
| Mounting Bracket Included | No |
| Number of Outlets | 2 |
| Package Contents | 1 new master cylinder |
| Rearward Outlet Size | M12 x 1.0 |
| Reservoir Type | Removable |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Transmission | Position | Notes |
|---|---|---|---|---|---|
| 2016 | Honda | Fit | Manual | N/A | |
| 2015 | Honda | Fit | Manual | N/A |
* 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.