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Dorman M39327 Brake Master Cylinder
Reliable Brake Master Cylinder for Chrysler, Dodge, and Plymouth
The Dorman M39327 brake master cylinder is engineered to restore proper brake hydraulics in select Chrysler, Dodge, and Plymouth vehicles. Designed with an aluminum body and a built-in reservoir, this master cylinder ensures consistent brake fluid delivery for safe and effective braking performance.
- Master cylinder bore diameter: 0.875 inches for precise hydraulic pressure
- Constructed from durable aluminum material for corrosion resistance
- Includes reservoir for brake fluid storage
- Two outlet ports with 3/8-24 inch thread size for rearward and secondary outlets
- Compatible with Chrysler Aries, Dodge LeBaron, Rampage, Plymouth Reliant, and Town & Country models
Product Details and Specifications
The Dorman M39327 brake master cylinder features a 0.875-inch bore diameter, which is critical for maintaining the correct hydraulic pressure within the brake system. Its aluminum construction offers durability and resistance to corrosion, extending the service life of the component. The integrated reservoir simplifies brake fluid management, while the two outlets with 3/8-24 inch thread diameters accommodate standard brake line fittings. This master cylinder is designed specifically for use in Chrysler Aries, Dodge LeBaron, Rampage, Plymouth Reliant, and Town & Country vehicles, ensuring proper fit and function.
Common Applications and Problem Resolution
- Restores brake pressure in vehicles experiencing soft or spongy brake pedal feel
- Replaces leaking or damaged master cylinders causing brake fluid loss
- Addresses brake system failure due to worn internal seals or corrosion
- Improves brake response in Chrysler Aries, Dodge LeBaron, Rampage, Plymouth Reliant, and Town & Country models
- Ensures proper brake fluid distribution for safe stopping performance
Installation Notes and Tips
When installing the Dorman M39327 brake master cylinder, ensure the brake system is properly bled to remove air and maintain hydraulic integrity. Verify compatibility with your specific vehicle model and year before installation. Since mounting hardware is not included, retain original hardware or source appropriate fasteners. Handle the aluminum body carefully to avoid damage during installation.
Quality Assurance and Warranty Information
Dorman manufactures the M39327 brake master cylinder to meet or exceed OEM specifications for fit, form, and function. The aluminum construction and integrated reservoir contribute to long-term reliability. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship to provide confidence in product quality.
| Brand | Dorman |
|---|---|
| Part Number | M39327 |
| Mounting Hardware Included | No |
| Master Cylinder Bore Diameter | 0.875 |
| Master Cylinder Material | Aluminum |
| Reservoir Included | Yes |
| Sensor Included | No |
| Number of Outlets | 2 |
| Package Contents | Master cylinder |
| Rearward Outlet Size | 3/8-24 in |
| Secondary Outlet Thread Diameter | 3/8-24 in |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1982 | Chrysler | LeBaron | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1982 | Chrysler | Town & Country | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1982 | Dodge | Aries | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1982 | Dodge | Rampage | N/A | Brake master cylinder for power brakes with a 7/8 In. bore. |
| 1982 | Plymouth | Reliant | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1981 | Dodge | Aries | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1981 | Plymouth | Reliant | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
* 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.