Cardone 53-8688 Power Brake Booster

Cardone Vacuum Power Brake Booster 53-8688

Cardone 53-8688 is a remanufactured vacuum power brake booster built to restore OE-style brake assist and pedal response. It is engineered for direct replacement use on select Hyundai Tucson and Kia Sportage applications, with fitment focused on vehicles lacking master cylinders.

Key Features

• Remanufactured to match original equipment performance
• Single-diaphragm design with an 11.04 in. (280.416 mm) diaphragm diameter
• 100% tested for fit and function before release
• O.E.-quality seals and check valves installed for reliable operation
• Rust-prohibitive finish helps extend service life
• Master cylinder output rods are pre-adjusted when included
• Steel construction with gray finish

Product Details

This Cardone Vacuum Power Brake Booster is part of the Cardone remanufactured brake booster line, which focuses on OE-matched performance with inspection and re-engineering of original designs where improvements are practical. Part number 53-8688 is built for consistent vacuum assist and direct replacement fitment on 2010-2015 Hyundai Tucson and 2011-2016 Kia Sportage models that do not use master cylinders in the listed configuration. This part cross-references Hyundai and Kia OE number 591102S000 for the same application.

What It Helps Fix

• Hard brake pedal feel caused by a weak booster
• Reduced vacuum assist during braking
• Inconsistent pedal response under normal driving
• Brake assist loss related to internal diaphragm or valve wear
• Fitment issues when replacing the original booster on listed Tucson and Sportage vehicles

Installation Notes

Verify the master cylinder stud thread size is M8 x 1.25 before installation. The package includes the booster, instruction manual, and M/C neck seal. Confirm the vehicle matches the listed fitment: Fits 2010-2015 Hyundai Tucson, N/A, and Fits 2011-2016 Kia Sportage, N/A. Always inspect vacuum lines, mounting points, and the master cylinder interface during replacement to help ensure proper brake assist after installation.

Quality Assurance

Cardone remanufactured power brake boosters are 100% tested to confirm fit and function. The unit is re-engineered to meet OE performance targets, with sealing components and check valves installed to support dependable operation.