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Raybestos MC391122 Brake Master Cylinder
| Brand | Raybestos MC391122 |
|---|---|
| Mounting Hole Quantity | 2 |
| Master Cylinder Material | Aluminum |
| Mounting Hole Diameter | 0.433 |
| Bore Size | 1.250 |
| Number of Ports | 2 |
| Primary Port Thread A | 7/16"-24 |
| Secondary Port Thread A | 1/2"-20 |
| Product line | Element3; New |
| Fits | Chrysler and Dodge · 7 vehicles |
OE direct replacement. Built for straightforward brake master cylinder replacement.
Aluminum construction. Helps keep weight down without sacrificing strength.
Element3 line. Raybestos engineering for dependable brake hydraulics.
Cross-references Cardone New 13-3336, Dorman - First Stop M630496 and Quality-Built NM4125 for the same application. See all 11.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Raybestos MC391122 Brake Master Cylinder
The Raybestos Element3 New MC391122 brake master cylinder is built for direct replacement service on select Chrysler and Dodge SUVs. It features an aluminum master cylinder body, a 1.250 bore size, and two-port hydraulic routing for applications that require precise brake pressure delivery.
Key Features
- Aluminum master cylinder construction
- 1.250 bore size for the specified brake system application
- 2 mounting holes with 0.433 mounting hole diameter
- 2 ports for hydraulic line connection
- Primary port thread: 7/16"-24
- Secondary port thread: 1/2"-20
- Raybestos Element3 New product line
Product Details
Raybestos MC391122 is a brake master cylinder for 2007-2009 Chrysler Aspen and 2007-2009 Dodge Durango, plus 2006 Dodge Durango with ESP. The aluminum housing helps keep the unit lightweight while maintaining the correct mounting and port configuration for the listed vehicles. As part of the Raybestos Element3 New line, this master cylinder is positioned for replacement service where OE-style fitment and hydraulic connection points matter.
This part cross-references Cardone New 13-3336 and Dorman - First Stop M630496 for the same application. The MC391122 part number is also useful when searching for a brake master cylinder for Chrysler Aspen or Dodge Durango replacement service.
Common Brake Issues It May Address
- Low or inconsistent brake pedal response
- Internal master cylinder seal wear
- Brake fluid leakage at the master cylinder body or ports
- Uneven hydraulic pressure delivery to the brake system
- Replacement needs after brake system diagnosis on Chrysler Aspen or Dodge Durango
Installation Notes and Tips
Verify the bore size, mounting hole spacing, and port thread sizes before installation. Confirm vehicle application by year, make, model, and ESP configuration where listed. After installation, the brake hydraulic system should be properly bled and checked for leaks at both ports and mounting points.
Quality Assurance
Raybestos Element3 New parts are built for replacement use in specified brake applications, with attention to fitment details such as bore size, port threads, and mounting configuration. For buyers searching MC391122 or a brake master cylinder for Chrysler Aspen and Dodge Durango, these specifications help confirm the correct part before service.
| Year | Make | Model | Notes |
|---|---|---|---|
| 2009 | Chrysler | Aspen | Element3; New |
| 2009 | Dodge | Durango | Element3; New |
| 2008 | Chrysler | Aspen | Element3; New |
| 2008 | Dodge | Durango | Element3; New |
| 2007 | Chrysler | Aspen | Element3; New |
| 2007 | Dodge | Durango | Element3; New |
| 2006 | Dodge | Durango | w/ ESP; Element3; New |
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