MPA Electrical NM55273 Brake Master Cylinder

Brake Master Cylinder for Volkswagen and Audi

Restore consistent brake pedal response with this new brake master cylinder from MPA Electrical. Part number NM55273 is a standard replacement unit for front disc brake applications on select Volkswagen Beetle, Golf, Golf City, Jetta, and Audi A3 and TT models.

MPA Electrical’s New with front disc brakes product line focuses on direct-fit brake hydraulics for vehicles that need OE-style braking performance after master cylinder wear or internal seal failure.

Key Features

• Brake master cylinder for brake hydraulic service
• Aluminum master cylinder body with plastic reservoir
• 0.9375 in. bore diameter
• Reservoir included; master cylinder cap included
• Standard replacement grade
• Uses DOT 4 brake fluid
• Two mounting holes with 0.335 in. mounting hole diameter
• New condition

Detailed Description

MPA Electrical NM55273 is engineered to restore braking performance by replacing a worn or leaking master cylinder with a new aluminum unit built to OE specifications. It is tested against OE samples using controlled validation processes to help deliver consistent brake pedal feel and hydraulic response right out of the box. This part cross-references Volkswagen/Audi OE number 1J1614019K for the same application.

Compatible With 2011 Volkswagen Beetle, N/A; 1998-2005 Volkswagen Beetle, N/A; 1999-2007 Volkswagen Golf, N/A; 2007 Volkswagen Golf City, N/A; 1999-2005 Volkswagen Jetta, N/A; 1998-2003 Audi A3, N/A; 2000-2002 Audi TT, N/A; and 2000-2002 Audi TT Quattro, N/A, all with front disc brakes. If you are searching for a brake master cylinder for Volkswagen Beetle front disc brakes or an Audi TT master cylinder replacement, NM55273 matches those applications directly.

What It Helps Fix

• Low or inconsistent brake pedal feel
• Internal hydraulic leakage in the master cylinder
• Brake fluid loss at the master cylinder body
• Delayed brake response during pedal application
• Brake system performance loss from a worn hydraulic unit

Installation Notes and Tips

Verify vehicle brake configuration before installation; this part is listed for front disc brake applications only. Bench bleed the master cylinder before final installation, use clean DOT 4 brake fluid, and inspect the brake booster, lines, and reservoir connections for wear or contamination. Mounting hardware, push rod, dust boot, gasket or seal, and brake booster are not included.

Quality Assurance

MPA Electrical validates each unit against OE specifications using proprietary testing and strict inspection protocols to support consistent hydraulic performance. The NM55273 brake master cylinder is a new standard replacement part built for direct service on select Volkswagen and Audi models.