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Raybestos MC391567 Brake Master Cylinder
| Brand | Raybestos MC391567 |
|---|---|
| Dust Boot Included | No |
| Mounting Hole Quantity | 2 |
| Master Cylinder Bore Diameter | 20.640 |
| Brake Booster Included | No |
| Master Cylinder Cap Included | No |
| Master Cylinder Material | Aluminum |
| Push Rod Included | No |
| Reservoir Included | No |
| Bleeder Hoses Included | No |
| Sensor Included | No |
| Mounting Hole Diameter | 8.800 |
| Mounting Bracket Included | No |
| Secondary Outlet Thread Size | M12 x 1.0 |
| Primary Outlet Thread Size | M12 x 1.0 |
| Product line | Raybestos Element 3 |
| Fits | Mazda · 5 vehicles |
Aluminum construction. Lightweight material helps resist corrosion in brake hydraulics.
Brake master cylinder. Converts pedal force into hydraulic pressure for dependable braking.
Raybestos Element 3. Part of a trusted brake line focused on consistent performance.
Cross-references Quality-Built NM55656 and BJZ94340ZA for the same application. See all 2.
Raybestos MC391567 Brake Master Cylinder
The Raybestos Element 3 MC391567 is a brake master cylinder for select 2014-2018 Mazda 3 models built in Mexico. It features an aluminum body with a 20.640 mm bore and M12 x 1.0 primary and secondary outlet threads for a direct hydraulic replacement in the brake system.
Key Features
- Raybestos Element 3 brake master cylinder for brake hydraulics service
- Aluminum master cylinder construction
- 20.640 mm bore diameter
- Two mounting holes with 8.800 mm mounting hole diameter
- Primary outlet thread size: M12 x 1.0
- Secondary outlet thread size: M12 x 1.0
- No reservoir, cap, booster, push rod, sensor, bleeder hoses, or dust boot included
Product Details
Built for hydraulic brake system replacement, the MC391567 is specified for 2014-2018 Mazda 3 applications with Mexico-built fitment. The Raybestos Element 3 line focuses on brake components engineered around OE-style fit and function, and this master cylinder follows that approach with the correct bore size, outlet thread sizing, and mounting-hole layout for the listed vehicle application. This part cross-references Monroe Shocks & Struts (e.g., BJZ94340ZA) and Quality-Built (e.g., NM55656) for the same application.
What It Helps Fix
- Low or inconsistent brake pedal response
- Internal hydraulic leakage in the master cylinder
- Brake fluid pressure loss in the system
- Pedal travel that feels excessive or soft
- Brake warning symptoms tied to master cylinder wear
Installation Notes
Verify the vehicle is a 2014-2018 Mazda 3, Mexico-built application before ordering. Confirm the bore diameter, outlet thread sizes, and mounting-hole spacing against the original unit before installation. Transfer or source any required external components separately, since the reservoir, cap, booster, push rod, sensor, bleeder hoses, dust boot, and mounting bracket are not included.
Quality Assurance
Raybestos Element 3 brake parts are built for brake service applications where accurate hydraulic dimensions and vehicle-specific fitment matter. Use this MC391567 master cylinder for the listed Mazda 3 coverage to maintain proper brake system operation.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2018 | Mazda | 3 | — | — | Mexico Built; Raybestos Element 3 |
| 2017 | Mazda | 3 | — | — | Mexico Built; Raybestos Element 3 |
| 2016 | Mazda | 3 | 2.0L | L4 | Mexico Built; Raybestos Element 3 |
| 2015 | Mazda | 3 | 2.0L | L4 | Mexico Built; Raybestos Element 3 |
| 2014 | Mazda | 3 | 2.0L | L4 | Mexico Built; Raybestos Element 3 |
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