HomeCardone 53-6840 Power Brake Booster
Part #: 53-6840

Cardone 53-6840 Power Brake Booster

Vacuum Power Brake Booster
6 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Vacuum Power Brake Booster
Fitment: Kia, Rio
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Vacuum Power Brake Booster for Kia Rio

The Cardone Vacuum Power Brake Booster 53-6840 is designed to restore proper brake function in Kia Rio vehicles. This remanufactured power brake booster offers a durable steel construction and a single diaphragm design to ensure consistent braking performance.

  • Compatible with Kia Rio models
  • Remanufactured for quality and reliability
  • Single diaphragm style with 10.53-inch (267.462 mm) diameter
  • Constructed from durable steel material
  • Includes booster, instruction manual, and master cylinder neck seal
  • Master cylinder stud thread size: M8 x 1.25
  • Gray color finish

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. The 53-6840 model is part of this line, providing a reliable vacuum-assisted braking solution specifically designed for Kia Rio vehicles. This line emphasizes durability and precise fitment to maintain factory brake feel and performance.

Product Details and Specifications

This power brake booster features a single diaphragm style with a diameter of 10.53 inches (267.462 mm), which is critical for providing the necessary vacuum assist to the braking system. The steel construction ensures strength and longevity under normal operating conditions. The booster is finished in gray and includes essential installation components such as the master cylinder neck seal and a detailed instruction manual. Note that the master cylinder is not included with this part.

Common Issues Addressed by This Brake Booster

  • Reduced brake pedal responsiveness or increased pedal effort
  • Hissing sounds indicating vacuum leaks in the brake booster
  • Brake pedal sinking or inconsistent brake pressure
  • Loss of power assist causing harder braking
  • Brake system warning lights related to booster failure

Installation Notes and Tips

  • Ensure compatibility with your Kia Rio model before installation
  • Follow the included instruction manual carefully for proper mounting and connection
  • Check the master cylinder stud thread size (M8 x 1.25) for correct fitment
  • Inspect vacuum lines and connections for leaks during installation
  • Bleed the brake system after installation to remove air and ensure proper function

Quality Assurance and Warranty

This Cardone Vacuum Power Brake Booster 53-6840 is remanufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details are not provided here, Cardone products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product documentation or Cardone for exact warranty terms.

BrandCardone
Part Number53-6840
PositionVacuum Power Brake Booster
Brake Booster Diaphragm StyleSingle
ColorGray
Diaphragm Diameter (in)10.53
Diaphragm Diameter (mm)267.462
E-WasteNo
Master Cylinder IncludedNo
Master Cylinder Stud Thread SizeM8 x 1.25
MaterialSteel
Package ContentsBooster; Instruction Manual; M/C Neck Seal
Product ConditionRemanufactured

This part fits 6 vehicles. Search below:

YearMakeModelPositionNotes
2017KiaRioN/AStart Stop Technology Package; without Master Cylinder; Vacuum Power Brake Booster
2016KiaRioN/AStart Stop Technology Package; without Master Cylinder; Vacuum Power Brake Booster
2015KiaRioN/AStart Stop Technology Package; without Master Cylinder; Vacuum Power Brake Booster
2014KiaRioN/AStart Stop Technology Package; without Master Cylinder; Vacuum Power Brake Booster
2013KiaRioN/AStart Stop Technology Package; without Master Cylinder; Vacuum Power Brake Booster
2012KiaRioN/AStart Stop Technology Package; without Master Cylinder; Vacuum Power Brake Booster

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

591101W350

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.