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Dorman M630650 Brake Master Cylinder
Reliable Brake Master Cylinder for Chevrolet Impala Models
The Dorman M630650 Brake Master Cylinder is engineered to restore proper brake hydraulics in Chevrolet Impala and Impala Limited vehicles. Designed with precision, this master cylinder ensures consistent brake fluid pressure for safe and effective braking performance.
- 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 sensor to support brake system diagnostics
- Two outlet ports with rearward outlet size M14 x 1.5 and 14mm secondary outlet thread diameter
Product Details and Specifications
The Dorman M630650 brake master cylinder features a 1-inch bore diameter, which is critical for maintaining the correct hydraulic pressure within the brake system of Chevrolet Impala and Impala Limited models. 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 monitoring, while the integrated sensor supports vehicle brake system warning functions. This master cylinder has two outlets, including a rearward outlet sized M14 x 1.5 with a thread pitch of 1.5, ensuring compatibility with the vehicle’s brake lines.
Compatible Vehicles and Applications
- Chevrolet Impala (various model years)
- Chevrolet Impala Limited
This part is specifically designed for brake hydraulic systems in these Chevrolet models, making it a suitable replacement for worn or damaged master cylinders.
Common Issues Addressed by This Master Cylinder
- Brake pedal sinking or sponginess due to internal leaks
- Brake fluid leaks around the master cylinder area
- Brake warning light activation related to sensor faults
- Reduced braking efficiency caused by faulty hydraulic pressure
- Contaminated or damaged reservoir affecting fluid levels
Installation Notes and Tips
When installing the Dorman M630650 master cylinder, ensure the brake system is properly bled to remove air and maintain hydraulic integrity. Verify that the sensor connections are secure to avoid warning light issues. Use compatible brake fluid as specified by the vehicle manufacturer. Note that mounting hardware is not included and should be reused or sourced separately if needed.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The M630650 brake master cylinder undergoes rigorous quality control to ensure reliability and durability. Please refer to Dorman’s warranty policy for specific coverage details.
| Brand | Dorman |
| Part Number | M630650 |
| Mounting Hardware Included | No |
| Master Cylinder Bore Diameter | 1 |
| Master Cylinder Material | Aluminum |
| Reservoir Included | Yes |
| Secondary Outlet Thread Diameter | 14 |
| Sensor Included | Yes |
| Number of Outlets | 2 |
| Package Contents | Master cylinder |
| Rearward Outlet Size | M14 x 1.5 |
| Thread Pitch | 1.5 |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2016 | Chevrolet | Impala Limited | N/A | |
| 2015 | Chevrolet | Impala Limited | N/A | Compatible with 1-inch bore drum brake wheel cylinders. |
| 2014 | Chevrolet | Impala Limited | N/A | Compatible with 1-inch bore drum brake wheel cylinders. |
| 2013 | Chevrolet | Impala | N/A | Compatible with 1-inch bore drum brake wheel cylinders. |
| 2012 | Chevrolet | Impala | N/A | Compatible with 1-inch bore drum brake wheel cylinders. |
| 2011 | Chevrolet | Impala | N/A | Compatible with 1-inch bore drum brake wheel cylinders. |
| 2010 | Chevrolet | Impala | N/A | Compatible with 1-inch bore drum brake wheel cylinders. |
| 2009 | Chevrolet | Impala | N/A | Compatible with 1-inch bore drum brake wheel cylinders. |
* 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.