Cardone 53-4943 Power Brake Booster

Vacuum Power Brake Booster for Lexus and Toyota

The Cardone 53-4943 remanufactured vacuum power brake booster is built for drivers who need restored brake assist and consistent pedal response. It is remanufactured to match O.E. performance and tested for fit and function before release.

Compatible with select Lexus GS F, Lexus RC F, Lexus ES350, and Toyota Venza applications, this Cardone Vacuum Power Brake Booster is a direct-fit replacement for vehicles lacking master cylinders. The gray steel housing, single-diaphragm design, and 10.3-inch diaphragm diameter support OE-style brake assist performance.

Key Features

• Remanufactured to match original equipment performance
• Single-diaphragm vacuum brake booster design
• 10.3 in. diaphragm diameter for OE-style fitment
• Steel construction with gray finish
• 100% tested for reliable performance and function
• O.E. quality seals and check valves installed on every unit
• Rust-prohibitive finishing process helps extend service life
• Master cylinder output rods are pre-adjusted when included
• Guaranteed fit and function

Product Details

Cardone Vacuum Power Brake Booster 53-4943 is part of the Cardone remanufactured brake booster line, which focuses on restoring original braking performance through re-engineering, inspection, and testing. This unit uses a single diaphragm, steel construction, and an M8 x 1.25 master cylinder stud thread size. Package contents include the booster, instruction manual, and M/C neck seal.

This part cross-references Toyota and Lexus OE numbers for the same application, including 4461033A10 and 446100T010. It is a practical replacement for a failing brake booster on Lexus ES350 and Toyota Venza models, as well as Lexus GS F and RC F applications listed below.

Common Problems This Part May Solve

• Hard brake pedal feel from loss of vacuum assist
• Reduced braking response during normal driving
• Brake booster leakage or internal diaphragm wear
• Brake assist inconsistency after booster failure
• Fitment issues when replacing an OE-style vacuum booster

Installation Notes

• Verify vehicle fitment by year, make, and model before installation.
• Fits 2016-2020 Lexus GS F, N/A.
• Fits 2015-2019 Lexus RC F, N/A.
• Fits 2013-2018 Lexus ES350, N/A; vehicles lacking master cylinders.
• Fits 2009-2016 Toyota Venza, N/A; vehicles lacking master cylinders.
• Inspect the master cylinder neck seal and related brake components during replacement.
• Confirm master cylinder stud thread size and booster alignment before final assembly.

Quality Assurance

Cardone remanufactured power brake boosters are re-engineered and tested to meet O.E. performance expectations. Each unit is 100% tested for fit and function, with O.E. quality seals and check valves installed to support dependable operation.