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Dorman M32900 Brake Master Cylinder
Reliable Brake Master Cylinder for Ford and Mercury Vehicles
The Dorman M32900 brake master cylinder is designed to restore proper brake hydraulics in select Ford and Mercury models. Engineered with a durable cast iron body and a built-in reservoir, this master cylinder ensures consistent brake fluid delivery for safe stopping performance.
- Master cylinder bore diameter: 1 inch for precise hydraulic pressure
- Constructed from cast iron for long-lasting durability
- Includes an integrated reservoir for brake fluid storage
- Single outlet design with a rearward outlet size of 1/8-27 NPT
- Package contains the master cylinder only; mounting hardware not included
Product Details and Specifications
The Dorman M32900 brake master cylinder features a 1-inch bore diameter, which is critical for maintaining the correct hydraulic pressure in the brake system. Its cast iron construction provides strength and resistance to wear, making it suitable for the demands of braking systems in vehicles like the Ford Mustang, Mercury Marauder, and Ford Thunderbird. The included reservoir allows for proper brake fluid containment and circulation, while the single outlet with a 1/8-27 NPT rearward fitting ensures compatibility with the brake lines on these models.
Compatible Vehicles and Applications
This brake master cylinder is compatible with a range of Ford and Mercury vehicles, including:
- Ford Mustang
- Ford Thunderbird
- Ford LTD
- Mercury Marauder
- Mercury Colony Park
- Mercury Villager
It is designed specifically for brake hydraulic systems requiring a 1-inch bore master cylinder with a rearward outlet fitting.
Common Issues Addressed by This Master Cylinder
- Brake pedal sinking or sponginess due to internal leaks
- Brake fluid leaks from a worn or damaged master cylinder
- Reduced braking efficiency caused by improper hydraulic pressure
- Brake warning light activation related to master cylinder failure
- Brake fluid reservoir damage or contamination
Installation Notes and Tips
Installation of the Dorman M32900 master cylinder requires careful attention to brake system bleeding procedures to remove air and ensure proper hydraulic function. Note that mounting hardware is not included, so existing hardware should be inspected and replaced if necessary. Verify compatibility with your vehicle’s brake line fittings, especially the 1/8-27 NPT rearward outlet size. Professional installation is recommended for safety and optimal performance.
Quality Assurance and Warranty
Dorman manufactures this brake master cylinder to meet or exceed OEM specifications for fit and function. The cast iron construction and integrated reservoir are designed for durability and reliable operation. While specific warranty details are not provided here, Dorman typically offers limited warranties on their brake hydraulic components. Consult product documentation or the manufacturer for exact warranty terms.
| Brand | Dorman |
|---|---|
| Part Number | M32900 |
| Master Cylinder Bore Diameter | 1 |
| Master Cylinder Material | Cast Iron |
| Mounting Hardware Included | No |
| Number of Outlets | 1 |
| Package Contents | Master Cylinder |
| Rearward Outlet Size | 1/8-27 Npt |
| Reservoir Included | Yes |
| Sensor Included | No |
This part fits 17 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1965 | Ford | LTD | N/A | Fits manual brake systems with a bore size of 1 inch. |
| 1965 | Ford | Mustang | N/A | Compatible with manual brake systems featuring a 1" bore. |
| 1965 | Mercury | Colony Park | N/A | Compatible with manual brake systems featuring a 1" bore. |
| 1965 | Mercury | Marauder | N/A | Compatible with manual brake systems featuring a 1" bore. |
| 1965 | Mercury | Villager | N/A | Compatible with manual brake systems featuring a 1" bore. |
| 1964 | Ford | Mustang | N/A | Compatible with manual brake systems featuring a 1" bore. |
| 1964 | Mercury | Colony Park | N/A | Compatible with manual brake systems featuring a 1" bore. |
| 1964 | Mercury | Marauder | N/A | Compatible with manual brake systems featuring a 1" bore. |
| 1964 | Mercury | Villager | N/A | Compatible with manual brake systems featuring a 1" bore. |
| 1963 | Mercury | Colony Park | N/A | Compatible with 1-inch bore drum brake wheel cylinders. |
| 1963 | Mercury | Marauder | N/A | Compatible with 1-inch bore drum brake wheel cylinders. |
| 1963 | Mercury | Villager | N/A | Compatible with 1-inch bore drum brake wheel cylinders. |
| 1962 | Mercury | Colony Park | N/A | Compatible with manual brake systems featuring a 1" bore. |
| 1962 | Mercury | Villager | N/A | Compatible with manual brake systems featuring a 1" bore. |
| 1961 | Ford | Thunderbird | N/A | Bore: 1 In.; To 6/09/61; w/Power Brakes |
| 1961 | Mercury | Colony Park | N/A | w/Drum Brakes; Bore: 1 In. |
| 1960 | Mercury | Colony Park | N/A | w/Drum Brakes; Bore: 1 In. |
* 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.