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Dorman M83072 Brake Master Cylinder
Reliable Brake Master Cylinder for Ford Bronco and Econoline Models
The Dorman M83072 brake master cylinder is engineered to restore proper brake hydraulics for select Ford vehicles. Designed specifically for models like the Bronco, F-100, F-150, F-250, and various E-100 and E-150 Econoline variants, this master cylinder ensures consistent braking performance.
- Cast iron construction for durability and strength
- Includes reservoir for fluid containment
- 1-inch master cylinder bore diameter for precise hydraulic pressure
- Two outlet ports with rearward outlet size of 7/16-24 and secondary outlet thread diameter of 0.5 inches
- Compatible with Ford Bronco, E-100 Econoline, E-150 Econoline, F-100, F-150, and F-250 models
- Part number M83072 for accurate identification
Detailed Product Features and Specifications
The Dorman M83072 brake master cylinder is constructed from cast iron, providing a robust and long-lasting component for your vehicle's brake system. It features a 1-inch bore diameter, which is critical for maintaining the correct hydraulic pressure needed for effective braking. This master cylinder includes a reservoir, allowing for proper brake fluid storage and management. It has two outlets, including a rearward outlet sized at 7/16-24 and a secondary outlet with a 0.5-inch thread diameter, ensuring compatibility with the brake lines on specified Ford models. Note that mounting hardware is not included, and the unit does not come with a sensor.
Compatible Ford Models and Applications
This brake master cylinder is compatible with a range of Ford vehicles, including the Bronco, E-100 Econoline, E-100 Econoline Club Wagon, E-150 Econoline, E-150 Econoline Club Wagon, F-100, F-150, and F-250. It is designed to meet the hydraulic requirements of these models, making it a suitable replacement part for brake system repairs or upgrades.
Common Issues Addressed by This Master Cylinder
- Brake pedal sinking or sponginess due to internal leaks
- Reduced braking efficiency caused by worn or damaged master cylinder bore
- Brake fluid leaks from the reservoir or outlet ports
- Inconsistent brake pressure affecting vehicle stopping power
- Failure of the original master cylinder leading to brake system malfunction
Installation Notes and Tips
When installing the Dorman M83072 brake master cylinder, ensure the brake system is properly bled to remove any air pockets. Since mounting hardware is not included, retain or source the correct bolts and fittings for your specific Ford model. Verify that the outlet ports align with your vehicle’s brake lines, and inspect all connections for leaks after installation. Proper installation is critical for safe and effective brake operation.
Quality Assurance and Warranty Information
Dorman manufactures this brake master cylinder to meet or exceed OEM standards for fit and function. The cast iron construction provides durability under normal operating conditions. While specific warranty details should be confirmed at the point of purchase, Dorman typically offers limited warranties covering defects in materials and workmanship to ensure customer confidence in the product.
| Brand | Dorman |
|---|---|
| Part Number | M83072 |
| Master Cylinder Bore Diameter | 1 |
| Master Cylinder Material | Cast Iron |
| Mounting Hardware Included | No |
| Number of Outlets | 2 |
| Package Contents | Master Cylinder |
| Rearward Outlet Size | 7/16-24 |
| Reservoir Included | Yes |
| Secondary Outlet Thread Diameter | 0.5 |
| Sensor Included | No |
This part fits 24 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 1979 | Ford | F-100 | N/A | Compatible with 1-inch bore drum brake wheel cylinders. | |
| 1978 | Ford | F-100 | N/A | Compatible with 1-inch bore drum brake wheel cylinders. | |
| 1977 | Ford | Bronco | N/A | Compatible with 1-inch bore drum brake wheel cylinders. | |
| 1977 | Ford | F-100 | N/A | Compatible with 1-inch bore drum brake wheel cylinders. | |
| 1976 | Ford | Bronco | N/A | Compatible with 1-inch bore drum brake wheel cylinders. | |
| 1976 | Ford | E-100 Econoline | N/A | Compatible with 1-inch bore drum brake wheel cylinders. | |
| 1976 | Ford | E-100 Econoline Club Wagon | N/A | Compatible with 1-inch bore drum brake wheel cylinders. | |
| 1976 | Ford | E-150 Econoline | N/A | Compatible with 1-inch bore drum brake wheel cylinders. | |
| 1976 | Ford | E-150 Econoline Club Wagon | N/A | Compatible with 1-inch bore drum brake wheel cylinders. | |
| 1976 | Ford | F-100 | N/A | Compatible with 1-inch bore drum brake wheel cylinders. | |
| 1976 | Ford | F-150 | N/A | Compatible with 1-inch bore drum brake wheel cylinders. | |
| 1976 | Ford | F-250 | RWD | N/A | Bore: 1 In.; Single Piston |
| 1975 | Ford | E-100 Econoline | N/A | Compatible with 1-inch bore drum brake wheel cylinders. | |
| 1975 | Ford | E-100 Econoline Club Wagon | N/A | Compatible with 1-inch bore drum brake wheel cylinders. | |
| 1975 | Ford | E-150 Econoline | N/A | Compatible with 1-inch bore drum brake wheel cylinders. | |
| 1975 | Ford | E-150 Econoline Club Wagon | N/A | Compatible with 1-inch bore drum brake wheel cylinders. | |
| 1975 | Ford | F-100 | RWD | N/A | Compatible with 1-inch bore drum brake wheel cylinders. |
| 1975 | Ford | F-150 | N/A | Fitment: Up to Serial No. W00001 | |
| 1975 | Ford | F-150 | N/A | From Serial No. W00001 | |
| 1975 | Ford | F-250 | RWD | N/A | Bore: 1 In.; Single Piston |
| 1974 | Ford | F-100 | RWD | N/A | Compatible with 1-inch bore drum brake wheel cylinders. |
| 1974 | Ford | F-250 | RWD | N/A | Bore: 1 In.; Single Piston |
| 1973 | Ford | F-100 | RWD | N/A | Compatible with 1-inch bore drum brake wheel cylinders. |
| 1973 | Ford | F-250 | RWD | N/A | Bore: 1 In.; Single Piston |
* 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.