MPA Electrical B1289 Power Brake Booster

Remanufactured Vacuum Brake Booster for Corvette

Restore consistent brake assist with this remanufactured vacuum power brake booster from MPA Electrical. Built for 1997-2008 Chevrolet Corvette applications, Part Number B1289 is a standard replacement booster designed to reduce pedal effort and support reliable vacuum-assisted braking.

MPA Electrical’s Reman Vac Pwr Brake Booster w/o Master Cyl line focuses on replacement boosters with renewed components and end-of-line testing for dependable pressure transfer and vacuum sealing. This B1289 unit is supplied without the master cylinder, making it a direct service part for Corvette brake system repair.

• Remanufactured vacuum power brake booster
• Standard replacement brake service grade
• Metal housing construction
• 227.58 mm / 8.96 in diaphragm diameter
• 10 x 1.5 mm master cylinder stud thread size
• 2 mounting studs
• Master cylinder not included
• Brake pedal rod extension not included
• Mounting bracket not included
• Front seal not included
• Gasket or seal not included

Detailed Product Overview

MPA Electrical B1289 is a remanufactured vacuum brake booster engineered for Chevrolet Corvette brake systems that require vacuum assist without replacing the master cylinder. The metal housing and standard replacement design support stable pedal assist, while the 227.58 mm diaphragm size and 10 x 1.5 mm stud thread specification help match the original brake booster interface on 1997-2008 Chevrolet Corvette models. This part number, B1289, is a practical choice for Corvette brake service when the booster is the failed component.

This part cross-references OE numbers 15237761 and 18026035 for the same application.

Common Problems This Part Can Address

• Hard brake pedal feel from a failing vacuum booster
• Reduced brake assist during normal driving and stop-and-go traffic
• Vacuum seal loss that affects pedal response
• Brake booster noise or inconsistent assist performance
• Brake system service on 1997-2008 Chevrolet Corvette models

Installation Notes and Fitment

Fits 1997-2008 Chevrolet Corvette, N/A. Verify master cylinder condition, pushrod setup, and mounting dimensions before installation. Because the master cylinder is not included, reuse or replace that component separately as needed. Confirm the 10 x 1.5 mm stud thread size and booster-to-firewall alignment during service. Part Number B1289 is listed for Corvette brake booster replacement applications only.

Quality Assurance

MPA Electrical subjects each unit to 100% end-of-line testing using proprietary test equipment to confirm brake booster performance before release. The remanufactured construction includes specially treated replacement components to help maintain vacuum sealing and pressure transfer for consistent braking assist.