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Dorman M630444 Brake Master Cylinder
Overview of Dorman Brake Master Cylinder for Cadillac DTS
The Dorman M630444 Brake Master Cylinder is designed specifically for Cadillac DTS models, providing reliable brake hydraulics performance. This master cylinder features a 34mm bore diameter and includes a reservoir and sensor to ensure proper brake fluid management and system monitoring.
- Compatible with Cadillac DTS vehicles
- 34mm master cylinder bore diameter for precise hydraulic control
- Constructed from durable aluminum material
- Includes reservoir and sensor for integrated brake system functionality
- Two outlets with M13 x 1.5 thread pitch for rearward and secondary outlet connections
- Package contains the master cylinder only; mounting hardware not included
Detailed Product Description
The Dorman M630444 brake master cylinder is engineered to meet the specific hydraulic requirements of Cadillac DTS brake systems. Its aluminum construction offers corrosion resistance and strength, while the 34mm bore diameter ensures consistent brake fluid pressure. The included reservoir allows for proper fluid storage and circulation, and the integrated sensor supports brake system diagnostics and safety features. With two outlets threaded at M13 x 1.5, this master cylinder facilitates secure connections to the rearward and secondary brake lines, maintaining system integrity.
Common Applications and Problem Resolution
- Restores proper brake fluid pressure in Cadillac DTS brake systems
- Replaces master cylinders with worn or damaged bores causing brake failure
- Addresses brake fluid leaks due to reservoir or seal deterioration
- Resolves sensor-related brake warning light issues
- Improves brake pedal feel and responsiveness
Installation Notes and Tips
Installation of the Dorman M630444 master cylinder requires careful attention to brake line connections and sensor wiring. Since mounting hardware is not included, retain original fasteners or acquire appropriate replacements. Bleed the brake system thoroughly after installation to remove air and ensure optimal brake performance. Verify sensor functionality to maintain accurate brake system monitoring.
Quality Assurance and Warranty
Dorman manufactures this brake master cylinder to meet or exceed OEM specifications for Cadillac DTS vehicles. The aluminum construction and integrated components are tested for durability and performance. Please refer to Dorman's warranty policy for coverage details on the M630444 part number.
| Brand | Dorman |
|---|---|
| Part Number | M630444 |
| Master Cylinder Bore Diameter | 34 |
| Master Cylinder Material | Aluminum |
| Mounting Hardware Included | No |
| Number of Outlets | 2 |
| Package Contents | Master Cylinder |
| Rearward Outlet Size | M13 x 1.5 |
| Reservoir Included | Yes |
| Secondary Outlet Thread Diameter | M13 x 1.5 |
| Sensor Included | Yes |
| Thread Pitch | 1.5 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2011 | Cadillac | DTS | N/A | Brake Master Cylinder with 34 mm bore. |
| 2010 | Cadillac | DTS | N/A | Bore: 34 mm; w/RPO Code J55 (Heavy Duty Power Brakes) |
| 2009 | Cadillac | DTS | N/A | Bore: 34 mm; w/RPO Code J55 (Heavy Duty Power Brakes) |
| 2008 | Cadillac | DTS | N/A | Bore: 34 mm; w/RPO Code J55 (Heavy Duty Power Brakes) |
| 2007 | Cadillac | DTS | N/A | Bore: 34 mm; w/RPO Code J55 (Heavy Duty Power Brakes) |
| 2006 | Cadillac | DTS | N/A | Bore: 34 mm; w/RPO Code J55 (Heavy Duty Power Brakes) |
* 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.