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Dorman M630640 Brake Master Cylinder
Overview of Dorman Brake Master Cylinder for Jeep Liberty
The Dorman M630640 brake master cylinder is designed specifically for Jeep Liberty models, providing reliable brake hydraulics performance. This master cylinder features an aluminum construction and includes a reservoir and sensor to ensure proper brake fluid management and system monitoring.
- Compatible with Jeep Liberty models
- Master cylinder bore diameter: 1.063 inches
- Durable aluminum master cylinder material
- Includes reservoir and sensor for brake fluid and system monitoring
- Two outlet ports with rearward outlet size 7/16-24 uns and secondary outlet thread diameter 3/8-24 unf
- Mounting hardware not included
Detailed Product Description
The Dorman M630640 brake master cylinder is engineered to meet the hydraulic braking needs of Jeep Liberty vehicles. Constructed from aluminum, this master cylinder offers corrosion resistance and strength for long-lasting service. The included reservoir allows for proper brake fluid storage, while the integrated sensor provides feedback to the vehicle’s brake system for enhanced safety. With a bore diameter of 1.063 inches, this master cylinder ensures consistent hydraulic pressure. It features two outlets: a rearward outlet sized 7/16-24 uns and a secondary outlet with a 3/8-24 unf thread diameter, facilitating proper brake line connections. Note that mounting hardware is not included with this part.
Common Applications and Issues Addressed
- Replacement for worn or leaking brake master cylinders on Jeep Liberty
- Resolves brake fluid leaks affecting hydraulic pressure
- Restores proper brake pedal feel and responsiveness
- Fixes brake warning light issues related to sensor failure
- Addresses internal seal failures causing brake system malfunction
Installation Notes and Tips
- Ensure compatibility with your specific Jeep Liberty model year before installation
- Bleed the brake system thoroughly after installation to remove air
- Use appropriate brake fluid as specified by the vehicle manufacturer
- Inspect brake lines and fittings for wear or damage during installation
- Mounting hardware must be sourced separately as it is not included
Quality Assurance and Warranty
Dorman manufactures the M630640 brake master cylinder to meet or exceed OEM specifications for Jeep Liberty vehicles. The aluminum construction and integrated sensor contribute to reliable brake system performance. While mounting hardware is not included, the part is designed for straightforward installation with proper tools. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.
| Brand | Dorman |
|---|---|
| Part Number | M630640 |
| 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 | 7/16-24 UNS |
| Reservoir Included | Yes |
| Secondary Outlet Thread Diameter | 3/8-24 UNF |
| Sensor Included | Yes |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2007 | Jeep | Liberty | N/A | Brake Master Cylinder - Right Hand Drive (RHD) |
| 2006 | Jeep | Liberty | N/A | Brake Master Cylinder - Right Hand Drive (RHD) |
* 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.