MPA Electrical B3018 Power Brake Booster

Vacuum Brake Booster for Acura and Honda

The MPA Electrical B3018 remanufactured vacuum power brake booster is built for drivers who need consistent brake assist and a firm, responsive pedal. It is a standard replacement unit for select Acura CL, Acura TL, and Honda Accord applications, with a 10.02-inch diaphragm and metal housing for OE-style fitment.

MPA Electrical reman brake boosters are tested to help maintain vacuum seal integrity and steady pressure transfer. This B3018 unit is supplied without a master cylinder and is designed for direct replacement on the listed vehicles.

Key Features

• Remanufactured vacuum power brake booster
• Standard replacement brake service grade
• 10.02 in. diaphragm diameter for braking assist
• Metal housing construction
• Master cylinder not included
• Brake pedal rod extension not included
• Mounting bracket not included
• 2 mounting studs with 8 x 1.25 mm master cylinder stud thread size
• Product condition: remanufactured

Product Details

The MPA Electrical BrandLine, Reman Vac Pwr Brake Booster w/o Master Cyl, focuses on remanufactured vacuum boosters for replacement brake service. Part number B3018 is engineered for vacuum-assisted braking systems and is tested at the end of production to verify function before release. This part cross-references Acura/Honda OE numbers 46400S84A01 and 46400S84A51 for the same application.

Compatible with 2001-2003 Acura CL, 2002-2003 Acura TL, and 1998-2002 Honda Accord, this brake booster supports vehicles that rely on vacuum assist to reduce pedal effort and improve braking response.

Common Brake Issues This Part Can Address

• Hard brake pedal feel
• Reduced vacuum assist during braking
• Inconsistent pedal response
• Brake booster leakage from worn internal components
• Loss of braking assist on the listed Acura and Honda applications

Installation Notes and Tips

• Verify vehicle fitment by year, make, and model before installation.
• Transfer or inspect the master cylinder separately, since it is not included.
• Check vacuum supply lines, check valves, and pedal linkage condition during replacement.
• Confirm the mounting stud thread size and pedal rod setup match the vehicle specification.
• Bleed the brake system if the master cylinder or hydraulic lines are opened during service.

Quality Assurance

MPA Electrical remanufactured brake boosters are end-of-line tested using proprietary equipment to confirm braking assist performance and vacuum sealing before shipment.