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Raybestos MC391001 Brake Master Cylinder
| Brand | Raybestos MC391001 |
|---|---|
| Mounting Hole Quantity | 2 |
| Master Cylinder Material | Aluminum |
| Mounting Hole Diameter | 0.354 |
| Bore Size | 1.060 |
| Number of Ports | 2 |
| Primary Port Thread A | M12x1 |
| Secondary Port Thread A | M12x1 |
| Product line | Element3; New |
| Fits | Jeep · 10 vehicles |
OE direct replacement. Fits like the original brake master cylinder.
Aluminum construction. Lightweight material helps resist corrosion.
Dual-port design. Supports clean hydraulic line connections.
Cross-references Cardone Reman 10-3217, Centric Parts 130.58008 and Dorman - First Stop M630029 for the same application. See all 10.
Raybestos MC391001 Master Cylinder
The Raybestos Element3 New MC391001 brake master cylinder is built for 2006-2010 Jeep Commander and 2006-2010 Jeep Grand Cherokee applications. With an aluminum body, 1.060 bore size, and dual M12x1 ports, it supports consistent hydraulic pressure for brake system service and replacement.
Key Features
- Brake master cylinder for Jeep Commander and Jeep Grand Cherokee
- Raybestos Element3 New product line
- Aluminum master cylinder construction
- 1.060 bore size for hydraulic brake operation
- 2 mounting holes with 0.354 mounting hole diameter
- 2 ports with M12x1 primary and secondary port threads
- Part number MC391001 for direct catalog lookup
Product Details
Raybestos Element3 New focuses on replacement brake components for everyday repair work, and MC391001 follows that approach with a straightforward OE-style layout for hydraulic brake service. The aluminum housing helps keep the unit lightweight while the 1.060 bore size and dual-port configuration support proper fluid movement in the brake system. This part cross-references Cardone Reman 10-3217 for the same application.
Compatible With 2006-2010 Jeep Commander and 2006-2010 Jeep Grand Cherokee, this master cylinder is a fit-focused replacement for vehicles needing a direct hydraulic brake component. Use MC391001 when servicing a Jeep Commander or Jeep Grand Cherokee brake system that calls for a 2-port master cylinder with M12x1 threaded connections.
Common Repair Uses
- Brake pedal travel that feels excessive or inconsistent
- Internal master cylinder leakage affecting hydraulic pressure
- Brake fluid loss at the master cylinder body or ports
- Soft or spongy brake pedal response after diagnosis
- Replacement of a worn hydraulic brake master cylinder on Jeep Commander or Jeep Grand Cherokee
Installation Notes
Verify bore size, port thread size, and mounting hole layout before installation. Confirm the brake lines match the M12x1 primary and secondary port threads and bleed the brake system thoroughly after replacement. Always inspect the rest of the hydraulic system, including lines and calipers, during service.
Quality Assurance
Raybestos is a recognized brake parts brand, and the Element3 New line is positioned for replacement applications that require consistent fit and function. Part number MC391001 is cataloged for 2006-2010 Jeep Commander and 2006-2010 Jeep Grand Cherokee brake service.
| Year | Make | Model | Notes |
|---|---|---|---|
| 2010 | Jeep | Commander | Element3; New |
| 2010 | Jeep | Grand Cherokee | Element3; New |
| 2009 | Jeep | Commander | Element3; New |
| 2009 | Jeep | Grand Cherokee | Element3; New |
| 2008 | Jeep | Commander | Element3; New |
| 2008 | Jeep | Grand Cherokee | Element3; New |
| 2007 | Jeep | Commander | Element3; New |
| 2007 | Jeep | Grand Cherokee | Element3; New |
| 2006 | Jeep | Commander | Element3; New |
| 2006 | Jeep | Grand Cherokee | Element3; New |
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