Cardone 53-8386 Power Brake Booster

Reliable Vacuum Power Brake Booster for Audi and Volkswagen

The Cardone Vacuum Power Brake Booster 53-8386 is designed to restore proper brake assist function in select Audi and Volkswagen models. This remanufactured power brake booster ensures consistent braking performance by providing the necessary vacuum assist to reduce pedal effort.

• Remanufactured power brake booster with a single diaphragm design
• Compatible with Audi CC, Volkswagen Passat, Passat CC, Q3, Q3 Quattro, Tiguan, and Tiguan Limited
• Diaphragm diameter of 11.43 inches (290.322 mm) for optimal vacuum assist
• Constructed from durable steel with a gray finish
• Includes booster, instruction manual, and master cylinder neck seal
• Master cylinder stud thread size M8 x 1.25, master cylinder not included

About the Cardone Vacuum Power Brake Booster Line

The Cardone Vacuum Power Brake Booster product line focuses on remanufactured components engineered to meet or exceed OEM specifications. This line provides reliable vacuum-assisted braking solutions designed to restore factory brake feel and performance. The 53-8386 model is part of this line, offering a single diaphragm style booster tailored for specific Audi and Volkswagen vehicles.

Product Details and Specifications

This power brake booster features a single diaphragm style with a diameter of 11.43 inches (290.322 mm), providing effective vacuum assistance to the brake pedal. The steel construction ensures durability and long service life, while the gray color finish matches OEM appearance. The package includes the booster unit, an instruction manual for installation guidance, and a master cylinder neck seal to maintain proper sealing. Note that the master cylinder is not included, and the stud thread size for the master cylinder is M8 x 1.25.

Common Applications and Problem Resolution

• Restores brake pedal assist in Audi CC and Volkswagen Passat models
• Addresses hard brake pedal issues in Volkswagen Tiguan and Q3 vehicles
• Eliminates vacuum leaks causing reduced braking efficiency
• Replaces faulty or worn-out brake boosters to improve pedal response
• Helps resolve inconsistent brake pedal travel and feel

Installation Notes and Tips

Installation of the Cardone 53-8386 power brake booster requires basic mechanical skills and proper tools. Ensure the master cylinder is removed before installing the booster. Verify the master cylinder stud thread size (M8 x 1.25) for compatibility. Follow the included instruction manual carefully to avoid vacuum leaks and ensure proper seal installation using the provided neck seal. Bleed the brake system after installation to remove any air and restore optimal brake performance.

Quality Assurance and Warranty

This remanufactured power brake booster undergoes thorough testing to meet quality and performance standards. Cardone provides a limited warranty on this part, covering defects in materials and workmanship. The product is designed to offer reliable service life comparable to new OEM components, ensuring dependable braking performance for your Audi or Volkswagen vehicle.