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Dorman M71269 Brake Master Cylinder
Reliable Brake Master Cylinder Replacement
The Dorman M71269 brake master cylinder is engineered to restore proper brake hydraulics performance for a range of vehicles. Designed with a durable cast iron construction and a 1.125-inch bore diameter, this master cylinder ensures consistent brake fluid pressure and reliable stopping power.
- Cast iron master cylinder material for durability
- Includes reservoir for brake fluid containment
- 1.125-inch bore diameter for precise hydraulic control
- Two outlet ports with rearward outlet size of 9/16-18 and secondary outlet thread diameter of 0.5 inches
- Compatible with various vehicle brake systems requiring a dual outlet master cylinder
Technical Details and Specifications
The Dorman M71269 master cylinder features a cast iron body that withstands high pressure and heat generated during braking. Its 1.125-inch bore diameter is designed to provide the correct hydraulic force needed for effective brake operation. The unit includes a reservoir to hold brake fluid, eliminating the need for a separate component. It has two outlets: a primary rearward outlet sized 9/16-18 and a secondary outlet with a 0.5-inch thread diameter, accommodating standard brake line fittings. This master cylinder does not include mounting hardware or sensors, so ensure compatibility with your vehicle’s brake system before installation.
Common Applications and Problem Resolution
- Restores brake pressure in vehicles experiencing spongy or unresponsive brakes
- Replaces master cylinders with leaking or damaged reservoirs
- Addresses brake fluid contamination or internal seal failure
- Solves issues related to inconsistent brake pedal feel
- Suitable for vehicles requiring a dual outlet master cylinder with specified bore size
Installation Notes and Tips
Before installation, verify that the Dorman M71269 matches your vehicle’s master cylinder specifications, including bore diameter and outlet thread sizes. Bleed the brake system thoroughly after installation to remove air and ensure proper hydraulic function. Since mounting hardware is not included, retain or source the correct fasteners for secure installation. Check brake lines for compatibility with the 9/16-18 rearward outlet and 0.5-inch secondary outlet threads.
Quality Assurance and Warranty
Dorman manufactures the M71269 master cylinder to meet or exceed OEM standards for brake hydraulics components. The cast iron construction and integrated reservoir are designed for long service life under normal operating conditions. While specific warranty details are not provided here, Dorman products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.
| Brand | Dorman |
| Part Number | M71269 |
| Mounting Hardware Included | No |
| Master Cylinder Bore Diameter | 1.125 |
| Master Cylinder Material | Cast iron |
| Reservoir Included | Yes |
| Secondary Outlet Thread Diameter | 0.5 |
| Sensor Included | No |
| Number of Outlets | 2 |
| Package Contents | Master cylinder |
| Rearward Outlet Size | 9/16-18 |
This part fits 0 vehicles. Search below:
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* 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.