Cardone 54-71907 Power Brake Booster

Vacuum Power Brake Booster for Chrysler Pacifica

Restore brake assist with this Cardone remanufactured vacuum power brake booster, part number 54-71907. Built for 2004-2006 Chrysler Pacifica models that lack master cylinders, it is re-engineered and tested to match original equipment performance.

The Cardone Vacuum Power Brake Booster line focuses on remanufactured brake boosters that are inspected for design improvements where applicable, then tested for fit and function. This 54-71907 unit uses a dual diaphragm design and a rust-prohibitive finish to support long-term service in daily driving conditions.

• Remanufactured to match O.E. performance
• Dual diaphragm style with 9.655 in. diaphragm diameter
• 100% tested for reliable performance and proper function
• 100% O.E.-quality seals and check valves installed
• Rust-prohibitive finishing process helps extend unit life
• Master cylinder output rods are pre-adjusted when included
• Steel construction with gray finish
• Package includes booster, instruction manual, and M/C neck seal

Detailed Product Overview

Cardone 54-71907 is a remanufactured power brake booster engineered for direct replacement in 2004, 2005, and 2006 Chrysler Pacifica applications. It is built with a dual diaphragm layout and an M8 x 1.25 master cylinder stud thread size, helping maintain the correct brake pedal assist characteristics for the vehicle. If you are replacing a worn vacuum power brake booster on a Chrysler Pacifica, this part number 54-71907 provides an OE-style service solution.

This part cross-references Chrysler 4683844AB for the same application.

What It Helps Address

• Hard brake pedal feel from a weak or failing booster
• Reduced brake assist during normal stopping
• Vacuum-related brake booster performance loss
• Fitment issues caused by a worn original booster
• Corrosion on the booster housing affecting service life

Installation Notes and Tips

Verify the vehicle is a 2004-2006 Chrysler Pacifica before ordering. This booster is listed for vehicles lacking master cylinders, so confirm your brake system configuration and compare the master cylinder stud thread size, diaphragm style, and mounting points before installation. Transfer and inspect related brake components as needed, and follow the included instruction manual during replacement.

Quality Assurance

Each Cardone remanufactured power brake booster is 100% tested to help ensure proper fit and function. The unit is re-engineered to match original equipment performance, with design updates applied where applicable to improve durability over the original part.