OE Quality
60-Day Returns

Raybestos MC39147 Brake Master Cylinder
Reliable Brake Master Cylinder for Volkswagen Vehicles
The Raybestos Element3; New Brake Master Cylinder MC39147 is engineered to restore precise brake hydraulics for select Volkswagen models. Designed with durable iron construction and exact fitment specifications, this master cylinder ensures consistent braking performance for your Volkswagen Jetta, Rabbit Convertible, or Rabbit Pickup.
- Constructed from robust iron material for long-lasting durability
- Features a bore size of 0.813 inches for accurate hydraulic pressure
- Includes 2 mounting holes with a diameter of 0.354 inches for secure installation
- Equipped with 4 ports, including primary and secondary port threads sized M10x1
- Compatible with Volkswagen Jetta, Rabbit Convertible, and Rabbit Pickup models
About the Raybestos Element3; New Product Line
The Element3; New line from Raybestos focuses on delivering reliable brake hydraulics components that meet or exceed OEM specifications. This brake master cylinder is part of that line, offering precise engineering and material quality tailored for Volkswagen vehicles. The Element3; New series emphasizes durability and fitment accuracy to maintain safe braking systems.
Detailed Product Description
This brake master cylinder, part number MC39147, is designed specifically for Volkswagen models including the Jetta, Rabbit Convertible, and Rabbit Pickup. Its iron construction provides strength and resistance to wear, while the 0.813-inch bore size ensures proper hydraulic pressure for effective brake operation. The unit features two mounting holes with a diameter of 0.354 inches, allowing for a secure and stable fit. Additionally, the master cylinder includes four ports with M10x1 threading on both primary and secondary ports, facilitating proper brake line connections.
Common Applications and Issues Addressed
- Restores brake hydraulic pressure in Volkswagen Jetta and Rabbit models
- Replaces worn or leaking master cylinders causing brake fluid loss
- Solves spongy or unresponsive brake pedal feel
- Addresses brake system failure due to internal seal wear
- Improves overall brake system reliability and safety
Installation Notes and Tips
Ensure the vehicle is properly supported and the brake system is depressurized before installation. Verify that the mounting hole spacing and diameter match the vehicle specifications. Use appropriate brake fluid and bleed the brake system thoroughly after installation to remove air and ensure optimal performance. Check all port connections for leaks and secure fittings according to manufacturer torque specifications.
Quality Assurance and Warranty
Raybestos Element3; New brake master cylinders are manufactured to meet strict quality standards, ensuring reliable performance and durability. This part number MC39147 undergoes rigorous testing to comply with OEM requirements. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Raybestos |
|---|---|
| Part Number | MC39147 |
| Position | Element3; New, N/A |
| Bore Size | 0.813 |
| Master Cylinder Material | Iron |
| Mounting Hole Diameter | 0.354 |
| Mounting Hole Quantity | 2 |
| Number of Ports | 4 |
| Primary Port Thread A | M10x1 |
| Secondary Port Thread A | M10x1 |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Body Type | # Doors | Position | Notes |
|---|---|---|---|---|---|---|
| 1984 | Volkswagen | Jetta | N/A | Element3; New | ||
| 1984 | Volkswagen | Rabbit Convertible | Convertible | 2 Door | N/A | To Chassis # 15E011290; Element3; New |
| 1983 | Volkswagen | Jetta | N/A | Element3; New | ||
| 1982 | Volkswagen | Jetta | N/A | Element3; New | ||
| 1981 | Volkswagen | Jetta | N/A | Element3; New | ||
| 1980 | Volkswagen | Jetta | N/A | Element3; New | ||
| 1980 | Volkswagen | Rabbit Convertible | N/A | German Built; Element3; New | ||
| 1980 | Volkswagen | Rabbit Convertible | N/A | Except FAG Master Cylinder; USA Built; Element3; New | ||
| 1980 | Volkswagen | Rabbit Pickup | N/A | Does not fit FAG Master Cylinder.; Element3; New |
* 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.