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Raybestos MC391252 Brake Master Cylinder
| Brand | Raybestos MC391252 |
|---|---|
| Mounting Hole Quantity | 2 |
| Master Cylinder Material | Aluminum |
| Mounting Hole Diameter | 0.421 |
| Bore Size | 1.313 |
| Number of Ports | 2 |
| Primary Port Thread A | M14x1.5 |
| Secondary Port Thread A | M14x1.5 |
| Product line | Element3; New |
| Fits | Chevrolet and GMC · 12 vehicles |
OE-style replacement. Application-specific brake master cylinder for listed hydraulic service needs.
Aluminum housing. Lightweight construction with dual M14x1.5 ports for the brake system.
Element3 line. Raybestos brake product line with coverage for select service applications.
Cross-references Cardone New 13-4144, Centric Parts 130.66072 and Dorman - First Stop M630510 for the same application. See all 7.
Brake Master Cylinder Overview
Raybestos MC391252 is a brake master cylinder for select Chevrolet Express 1500 and GMC Savana 1500 applications. It uses an aluminum body with a 1.313 bore and dual M14x1.5 ports for the specified hydraulic setup.
- Aluminum master cylinder construction for a lightweight hydraulic housing.
- 1.313 bore size for the listed brake system configuration.
- Two mounting holes and two ports for direct hydraulic connection.
- Primary and secondary ports threaded M14x1.5.
Fitment Details
Compatible with 2011-2014 Chevrolet Express 1500 and 2011-2014 GMC Savana 1500. Also fits 2009-2010 Chevrolet Express 1500 and 2009-2010 GMC Savana 1500 equipped with Active Brake Control. This fitment coverage makes MC391252 a relevant replacement for brake hydraulic service on these vans.
What It Helps Address
- Brake pedal travel caused by internal master cylinder wear.
- Hydraulic pressure loss in the brake system.
- Fluid leakage at the master cylinder body or ports.
- Inconsistent brake response from a failing hydraulic unit.
Installation Notes
Verify port thread size, bore size, and mounting hole spacing before installation. Match the application notes for Active Brake Control where listed, and confirm the brake hydraulic system is properly bled after replacement. Use the vehicle-specific service procedure for the Chevrolet Express 1500 or GMC Savana 1500.
Quality Assurance
Raybestos Element3 is a product line focused on brake system components with application-specific coverage. Cross-reference part numbers include Cardone New 13-4144 and Dorman - First Stop M630510 for the same application.
| Year | Make | Model | Notes |
|---|---|---|---|
| 2014 | Chevrolet | Express 1500 | Element3; New |
| 2014 | GMC | Savana 1500 | Element3; New |
| 2013 | Chevrolet | Express 1500 | Element3; New |
| 2013 | GMC | Savana 1500 | Element3; New |
| 2012 | Chevrolet | Express 1500 | Element3; New |
| 2012 | GMC | Savana 1500 | Element3; New |
| 2011 | Chevrolet | Express 1500 | Element3; New |
| 2011 | GMC | Savana 1500 | Element3; New |
| 2010 | Chevrolet | Express 1500 | Compatible with vehicles equipped with Active Brake Control.; Element3; New |
| 2010 | GMC | Savana 1500 | Compatible with vehicles equipped with Active Brake Control.; Element3; New |
| 2009 | Chevrolet | Express 1500 | Compatible with vehicles equipped with Active Brake Control.; Element3; New |
| 2009 | GMC | Savana 1500 | Compatible with vehicles equipped with Active Brake Control.; Element3; New |
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