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TRW PMK314 Brake Master Cylinder
Reliable Brake Master Cylinder for Audi, Porsche, and Volkswagen
The TRW PMK314 brake master cylinder is engineered to deliver consistent hydraulic pressure for your braking system. Designed specifically for select Audi, Porsche, and Volkswagen models, this component ensures precise brake control and safety.
- Constructed from durable aluminum for long-lasting performance
- Includes dust boot and gasket/seal for protection and leak prevention
- Features a straight bore type with a 23.81 mm bore diameter
- Equipped with two mounting holes and two ports for secure installation
- Compatible with Audi A4, A4 Quattro, A6, A6 Quattro, Porsche 911, Boxster, and Volkswagen Passat
Technical Details and Specifications
The TRW PMK314 brake master cylinder is built with a 23.81 mm bore diameter and a straight bore type, providing reliable hydraulic pressure for your vehicle's braking system. Made from aluminum, this master cylinder offers corrosion resistance and strength. It includes two pistons and two ports, designed to work efficiently with dual-circuit brake systems. The unit comes with a dust boot and gasket/seal to protect internal components and prevent fluid leaks. Note that the reservoir, push rod, brake booster, bleeder screw, mounting hardware, and sensors are not included with this part.
Compatible Vehicles and Applications
This brake master cylinder is compatible with a range of Audi, Porsche, and Volkswagen models, including:
- Audi A4 and A4 Quattro
- Audi A6 and A6 Quattro
- Porsche 911 and Boxster
- Volkswagen Passat
It is designed to meet the specific hydraulic requirements of these vehicles, ensuring proper brake system function and safety.
Common Issues Addressed by the PMK314 Brake Master Cylinder
- Brake pedal sinking or sponginess due to internal leaks
- Loss of hydraulic pressure affecting braking performance
- Brake fluid leaks around the master cylinder area
- Uneven brake application or reduced stopping power
- Failure of the original master cylinder due to wear or corrosion
Installation Notes and Tips
When installing the TRW PMK314 brake master cylinder, ensure the brake system is properly bled to remove air and maintain hydraulic integrity. Since mounting hardware and push rod are not included, reuse existing components or source compatible parts as needed. Verify compatibility with your vehicle’s brake booster and reservoir setup before installation. Proper torque on mounting bolts and secure sealing with the included gasket are essential for leak-free operation.
Quality Assurance and Warranty
TRW manufactures the PMK314 brake master cylinder to meet stringent quality standards, using durable aluminum construction and precision engineering. While specific warranty details are not provided here, TRW products typically come with manufacturer-backed warranties to ensure reliability and customer confidence.
| Brand | TRW |
| Part Number | PMK314 |
| Reservoir Material | None |
| Dust Boot Included | Yes |
| Mounting Hardware Included | No |
| Gasket Or Seal Included | Yes |
| Mounting Hole Quantity | 2 |
| Master Cylinder Bore Diameter | 23.81 |
| Bleeder Screw Included | No |
| Piston Quantity | 2 |
| Brake Booster Included | No |
| Master Cylinder Material | Aluminum |
| Push Rod Included | No |
| Reservoir Included | No |
| Bleeder Hoses Included | No |
| Sensor Included | No |
| Port Quantity | 2 |
| Mounting Bracket Included | No |
| Bore Type | Straight |
| Primary Outlet Thread Size | M12 - 1.0 |
| Brake Pressure Switch Required | No |
| Brake Pressure Switch(s) Included | No |
| Primary Bore Diameter | 23.81 |
This part fits 25 vehicles. Search below:
| Year | Make | Model | Submodel | Body Type | Drive Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| 2005 | Porsche | 911 | Carrera | N/A | ||||||
| 2004 | Porsche | 911 | 40th Anniversary Edition | N/A | Exc.Electronic Stability Control | |||||
| 2003 | Porsche | 911 | Carrera | N/A | Exc.Electronic Stability Control | |||||
| 2002 | Porsche | 911 | Carrera 4 | 3.6L | H6 | N/A | Exc.Electronic Stability Control | |||
| 2001 | Porsche | 911 | Carrera 4 | N/A | Exc.Electronic Stability Control | |||||
| 2000 | Porsche | 911 | Carrera 4 | N/A | Exc.Electronic Stability Control | |||||
| 2000 | Porsche | Boxster | Roadster S | N/A | ||||||
| 1999 | Audi | A4 | Base | GAS | N/A | |||||
| 1999 | Audi | A4 Quattro | Avant | 1.8L | L4 | GAS | N/A | To Chassis/VIN 3B-X-491 580 | ||
| 1999 | Audi | A6 | Base | 2.8L | V6 | GAS | N/A | |||
| 1999 | Audi | A6 Quattro | Avant | 2.8L | V6 | GAS | N/A | |||
| 1999 | Porsche | 911 | Carrera | N/A | Exc.Electronic Stability Control | |||||
| 1999 | Porsche | Boxster | Base | N/A | ||||||
| 1999 | Volkswagen | Passat | GLS | Wagon | FWD | 1.8L | L4 | N/A | ||
| 1998 | Audi | A4 | Avant | GAS | N/A | |||||
| 1998 | Audi | A4 Quattro | Base | GAS | N/A | |||||
| 1998 | Audi | A6 | Base | 2.8L | V6 | GAS | N/A | |||
| 1998 | Audi | A6 Quattro | Base | 2.8L | V6 | GAS | N/A | |||
| 1998 | Porsche | Boxster | Base | N/A | ||||||
| 1998 | Volkswagen | Passat | GLX | Sedan | 2.8L | V6 | N/A | |||
| 1997 | Audi | A4 | Base | GAS | N/A | |||||
| 1997 | Audi | A4 Quattro | Base | GAS | N/A | |||||
| 1997 | Porsche | Boxster | Base | N/A | ||||||
| 1996 | Audi | A4 | Base | 2.8L | V6 | GAS | N/A | |||
| 1996 | Audi | A4 Quattro | Base | 2.8L | V6 | GAS | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.