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Dorman M83074 Brake Master Cylinder
Reliable Brake Master Cylinder for Ford E-250 and F-350 Models
The Dorman M83074 brake master cylinder is engineered to restore proper brake hydraulics in select Ford trucks and vans. Designed specifically for Ford E-250 Econoline, E-250 Econoline Club Wagon, E-350 Econoline, F-250, and F-350 models, this master cylinder ensures consistent brake fluid pressure and improved stopping performance.
- Master cylinder bore diameter: 1.25 inches for precise hydraulic control
- Constructed from durable cast iron for long-lasting strength
- Includes reservoir for brake fluid storage and management
- Two outlet ports with secondary outlet thread diameter of 0.5 inches
- Rearward outlet size: 3/8-24 inches for secure brake line connections
- Package contains the master cylinder only; mounting hardware not included
Detailed Product Description
The Dorman M83074 brake master cylinder is a cast iron component designed to meet the hydraulic demands of Ford E-250 Econoline, E-250 Econoline Club Wagon, E-350 Econoline, F-250, and F-350 vehicles. Its 1.25-inch bore diameter provides the necessary volume and pressure to operate the brake system effectively. The included reservoir allows for proper brake fluid containment and circulation, while the two outlet ports facilitate fluid distribution to the front and rear brakes. The secondary outlet thread diameter of 0.5 inches and rearward outlet size of 3/8-24 inches ensure compatibility with factory brake lines. This master cylinder does not include mounting hardware or sensors, so those components must be sourced separately if needed.
Common Applications and Problem Resolution
- Restores brake fluid pressure in Ford E-250 and F-350 brake systems
- Replaces leaking or worn master cylinders causing brake fluid loss
- Addresses spongy or unresponsive brake pedal issues
- Eliminates brake warning lights related to master cylinder failure
- Improves overall brake system reliability and safety
Installation Notes and Tips
Installation of the Dorman M83074 master cylinder requires careful attention to brake fluid handling and bleeding procedures. Since mounting hardware is not included, verify compatibility with existing brackets and fasteners on your Ford E-250 Econoline or F-350. Ensure all brake lines are properly connected to the 0.5-inch secondary outlet and 3/8-24 rearward outlet to prevent leaks. After installation, thoroughly bleed the brake system to remove air and restore firm pedal feel.
Quality Assurance and Warranty
Dorman manufactures the M83074 brake master cylinder to meet or exceed OEM specifications for Ford brake hydraulics. The cast iron construction provides durability under demanding conditions. While mounting hardware and sensors are not included, the master cylinder itself is backed by Dorman's quality standards. Please consult Dorman's warranty policy for specific coverage details.
| Brand | Dorman |
|---|---|
| Part Number | M83074 |
| Master Cylinder Bore Diameter | 1.25 |
| Master Cylinder Material | Cast Iron |
| Mounting Hardware Included | No |
| Number of Outlets | 2 |
| Package Contents | Master Cylinder |
| Rearward Outlet Size | 3/8-24 in |
| Reservoir Included | Yes |
| Secondary Outlet Thread Diameter | 0.5 |
| Sensor Included | No |
This part fits 21 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 1976 | Ford | E-250 Econoline | N/A | Verify vehicle compatibility before purchasing 1.25" bore size drum brake wheel cylinder. | |
| 1976 | Ford | E-250 Econoline Club Wagon | N/A | Verify vehicle compatibility before purchasing 1.25" bore size drum brake wheel cylinder. | |
| 1976 | Ford | E-350 Econoline | N/A | Verify vehicle compatibility before purchasing 1.25" bore size drum brake wheel cylinder. | |
| 1976 | Ford | F-250 | RWD | N/A | Bore: 1.25 In.; Dual Piston |
| 1976 | Ford | F-250 | 4WD | N/A | Verify vehicle compatibility before purchasing 1.25" bore size drum brake wheel cylinder. |
| 1976 | Ford | F-350 | N/A | Verify vehicle compatibility before purchasing 1.25" bore size drum brake wheel cylinder. | |
| 1975 | Ford | E-250 Econoline | N/A | Verify vehicle compatibility before purchasing 1.25" bore size drum brake wheel cylinder. | |
| 1975 | Ford | E-250 Econoline Club Wagon | N/A | Verify vehicle compatibility before purchasing 1.25" bore size drum brake wheel cylinder. | |
| 1975 | Ford | E-350 Econoline | N/A | Verify vehicle compatibility before purchasing 1.25" bore size drum brake wheel cylinder. | |
| 1975 | Ford | F-250 | RWD | N/A | Bore: 1.25 In.; Dual Piston |
| 1975 | Ford | F-350 | N/A | Verify vehicle compatibility before purchasing 1.25" bore size drum brake wheel cylinder. | |
| 1974 | Ford | F-250 | RWD | N/A | Bore: 1.25 In.; Dual Piston |
| 1974 | Ford | F-350 | N/A | Verify vehicle compatibility before purchasing 1.25" bore size drum brake wheel cylinder. | |
| 1973 | Ford | F-250 | RWD | N/A | Bore: 1.25 In.; Dual Piston |
| 1973 | Ford | F-350 | N/A | Verify vehicle compatibility before purchasing 1.25" bore size drum brake wheel cylinder. | |
| 1972 | Ford | F-250 | N/A | Fitment: 1.25 In. Bore for Front Disc Brakes | |
| 1972 | Ford | F-350 | N/A | Verify vehicle compatibility before purchasing 1.25" bore size drum brake wheel cylinder. | |
| 1971 | Ford | F-250 | N/A | Fitment: 1.25 In. Bore for Front Disc Brakes | |
| 1970 | Ford | F-250 | N/A | Fitment: 1.25 In. Bore for Front Disc Brakes | |
| 1969 | Ford | F-250 | N/A | Fitment: 1.25 In. Bore for Front Disc Brakes | |
| 1968 | Ford | F-250 | N/A | Fitment: 1.25 In. Bore for Front Disc 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.