MPA Electrical B3026 Power Brake Booster

Remanufactured Vacuum Brake Booster for Volkswagen and Audi

Restore firm, consistent brake assist with this remanufactured vacuum power brake booster from MPA Electrical. Built for Volkswagen Golf City, Golf, Beetle, Jetta, and Audi A3, S3, TT, and TT Quattro applications, Part Number B3026 is a direct-fit replacement for vehicles that need reliable vacuum-assisted braking with reduced pedal effort.

MPA Electrical Brake Booster Line

The MPA Electrical Reman Vac Pwr Brake Booster w/o Master Cyl line focuses on remanufactured vacuum boosters that are tested for pressure transfer, vacuum sealing, and pedal assist performance. This product line is built with replacement and specially treated components to help maintain consistent brake feel in everyday driving conditions.

Key Features

• Remanufactured vacuum power brake booster
• Standard replacement brake service grade
• Metal housing construction
• 10.91 in. diaphragm diameter
• Master cylinder stud thread size: 8 x 1.25 mm
• 2 mounting studs
• Master cylinder not included
• Brake pedal rod extension not included
• Mounting bracket not included
• Gasket or seal not included
• Front seal not included

Detailed Description

MPA Electrical B3026 is a remanufactured vacuum brake booster engineered for vehicles that rely on vacuum assist to reduce pedal effort and improve brake response. The metal housing and 10.91-inch diaphragm diameter support stable braking assist, while the 8 x 1.25 mm master cylinder stud thread size and 2-stud mounting layout match the specified applications. This part cross-references OE numbers 1J1614106D and 1J1614106E for the same application.

Fits 2007-2010 Volkswagen Golf City, N/A. Fits 1999-2006 Volkswagen Golf, N/A. Fits 1998-2005 Volkswagen Beetle, N/A. Fits 1999-2005 Volkswagen Jetta, N/A. Fits 1998-2003 Audi A3, N/A. Fits 2001-2003 Audi S3, N/A. Fits 1999-2002 Audi TT, N/A. Fits 2000-2002 Audi TT Quattro, N/A. Part Number B3026 is a direct replacement for these vacuum brake booster applications.

What This Part Helps Address

• Hard brake pedal feel from a failing vacuum booster
• Reduced brake assist during normal stopping
• Loss of vacuum seal affecting pedal response
• Inconsistent pressure transfer between pedal input and braking force
• Brake booster wear on high-mileage Volkswagen and Audi vehicles

Installation Notes and Tips

Confirm master cylinder compatibility before installation, since the master cylinder is not included. Verify the 8 x 1.25 mm stud thread size, 2-stud mounting pattern, and vehicle-specific fitment for your Golf, Jetta, Beetle, A3, S3, TT, or TT Quattro application. Inspect vacuum lines, pedal linkage, and mounting surfaces during replacement to help ensure proper brake assist after installation.

Quality Assurance

MPA Electrical remanufactures these boosters with replacement and specially treated components, then subjects every unit to 100% end-of-line testing using proprietary equipment to verify vacuum seal integrity and pressure transfer performance. Part Number B3026 is built to meet standard replacement expectations for the listed Volkswagen and Audi applications.