Cardone 53-2769 Power Brake Booster

Vacuum Power Brake Booster for Lexus LS400

Restore brake assist performance with this Cardone remanufactured vacuum power brake booster, part number 53-2769. Built for 1998-2000 Lexus LS400 applications, it is re-engineered and tested to match original equipment fit and function.

The Cardone Vacuum Power Brake Booster line focuses on remanufactured brake boosters that are inspected, upgraded where needed, and verified for dependable operation. This unit is a direct replacement for the Lexus LS400 brake booster application listed below.

Key Features

• Remanufactured to match O.E. performance
• 100% tested for reliable fit and function
• Dual diaphragm design for vacuum-assisted braking
• Steel construction with gray finish
• 100% O.E.-quality seals and check valves installed
• Rust-prohibitive finishing process helps extend service life
• Master cylinder output rods are pre-adjusted when included
• Master cylinder stud thread size: M8 x 1.25

Detailed Description

Cardone 53-2769 is a remanufactured vacuum power brake booster engineered for 1998-2000 Lexus LS400 models that lack master cylinders. It uses a dual diaphragm layout with a 9.45-inch diaphragm diameter and is built from steel for a factory-style replacement. Each unit is tested before release to help ensure proper brake assist, consistent pedal response, and correct installation fit.

This part cross-references Lexus 4461050240 for the same application. If you are replacing a worn or leaking brake booster on a Lexus LS400, this remanufactured unit provides a direct-fit solution backed by Cardone’s re-engineering process.

What It Helps Fix

• Hard brake pedal feel caused by weak vacuum assist
• Reduced braking assist from a leaking booster diaphragm
• Brake pedal effort that increases over time
• Vacuum loss related to booster wear or seal failure
• Fitment issues when replacing the original Lexus LS400 booster

Installation Notes and Tips

Compatible With 1998-2000 Lexus LS400, N/A. Verify the vehicle does not use a master cylinder before ordering, since this application is listed for vehicles lacking master cylinders. Confirm the master cylinder stud thread size is M8 x 1.25 and compare the original booster dimensions and mounting points before installation.

Quality Assurance

Cardone remanufactured power brake boosters are re-engineered and tested to meet original equipment performance targets. The unit is inspected for fit and function, and the finishing process is intended to improve corrosion resistance for longer service life.