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Dorman M630517 Brake Master Cylinder
Reliable Brake Master Cylinder for Jeep Wrangler
The Dorman M630517 brake master cylinder is engineered to restore proper brake hydraulics for Jeep Wrangler models. Designed with precision, this aluminum master cylinder includes a reservoir and sensor to ensure consistent brake performance and safety.
- Master cylinder bore diameter: 1 inch for accurate hydraulic pressure
- Constructed from durable aluminum material
- Includes reservoir for fluid storage
- Equipped with sensor for brake system monitoring
- Two outlets with rearward outlet size 7/16-24 and secondary outlet thread diameter 3/8-24 inches
- Package contains the master cylinder only; mounting hardware not included
Product Details and Specifications
The Dorman M630517 brake master cylinder is specifically designed for Jeep Wrangler vehicles, ensuring compatibility and reliable fitment. Its 1-inch bore diameter provides the necessary hydraulic pressure for effective braking. The aluminum construction offers corrosion resistance and long-lasting durability under demanding conditions. This master cylinder comes with an integrated reservoir to hold brake fluid and a sensor to monitor brake system status, helping maintain optimal brake function. Featuring two outlets, the rearward outlet measures 7/16-24, while the secondary outlet thread diameter is 3/8-24 inches, matching OEM specifications for seamless integration.
Common Applications and Problem Resolution
- Restores brake pressure loss due to worn or damaged master cylinder
- Replaces leaking or cracked brake fluid reservoir
- Resolves brake warning light issues related to sensor failure
- Addresses inconsistent brake pedal feel or sponginess
- Fixes brake fluid contamination or internal seal failure
Installation Notes and Tips
When installing the Dorman M630517 brake master cylinder on a Jeep Wrangler, ensure the brake system is properly bled to remove air pockets. Verify that the sensor connections are secure and compatible with the vehicle’s wiring harness. Since mounting hardware is not included, retain or source OEM hardware for installation. Follow manufacturer torque specifications to avoid damage and ensure a secure fit.
Quality Assurance and Warranty
Dorman manufactures this brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction and integrated sensor contribute to reliable brake system performance. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship.
| Brand | Dorman |
| Part Number | M630517 |
| Mounting Hardware Included | No |
| Master Cylinder Bore Diameter | 1 |
| Master Cylinder Material | Aluminum |
| Reservoir Included | Yes |
| Sensor Included | Yes |
| Number of Outlets | 2 |
| Package Contents | Master cylinder |
| Rearward Outlet Size | 7/16-24 |
| Secondary Outlet Thread Diameter | 3/8-24 in |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2017 | Jeep | Wrangler | N/A | Exc. Heavy Duty Brakes |
| 2016 | Jeep | Wrangler | N/A | Exc. Heavy Duty Brakes |
| 2015 | Jeep | Wrangler | N/A | w/Sales Code BRW (4 Wheel Disc Brakes) |
| 2014 | Jeep | Wrangler | N/A | w/Sales Code BRW (4 Wheel Disc Brakes) |
| 2013 | Jeep | Wrangler | N/A | Fitment: Not compatible with Heavy Duty Brakes, 1" Bore. |
| 2012 | Jeep | Wrangler | N/A | Fitment: Not compatible with Heavy Duty Brakes, 1" Bore. |
| 2011 | Jeep | Wrangler | N/A | Fitment: Not compatible with Heavy Duty Brakes, 1" Bore. |
| 2010 | Jeep | Wrangler | N/A | Fitment: Not compatible with Heavy Duty Brakes, 1" Bore. |
| 2009 | Jeep | Wrangler | N/A | Fitment: Not compatible with Heavy Duty Brakes, 1" Bore. |
| 2008 | Jeep | Wrangler | N/A | Compatible with 1-inch bore drum brake wheel cylinders. |
| 2007 | Jeep | Wrangler | 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.