Description

58420-45001 WHEEL CYLINDER Guide

Commercial Fleet Safety | Hyundai Mighty & County Braking

Reliable stopping power is non-negotiable for commercial transport. This premium wheel cylinder is manufactured to exceed commercial OE standards, ensuring your Hyundai truck or bus maintains maximum hydraulic integrity and driver safety under heavy load conditions.

58420-45001 WHEEL CYLINDER Fitment

  • Brand Compatibility: Hyundai Commercial
  • Model: Mighty Truck / County Bus
  • Position: Rear Left (LHS)
  • Series: HD Series Chassis
  • Part Number: 58420-45001

58420-45001 WHEEL CYLINDER Specs

  • Material: Reinforced Cast Iron
  • Seal Type: Heavy-Duty EPDM
  • Configuration: Dual Piston Actuation
  • Finish: Anti-Corrosion Treatment
  • Quality: Commercial Grade OEM Match

Fleet Maintenance Solutions

Proper maintenance of the hydraulic system prevents costly on-road failures. For a complete rear axle service, we recommend browsing our Heavy-Duty Brake Shoes and Clutch Master Cylinders for Hyundai Mighty.

Confirm Commercial Fitment

Commercial braking specifications can vary based on the vehicle’s tonnage and model year. Please contact us with your VIN or Chassis Number to confirm this **58420-45001 WHEEL CYLINDER** is correct for your fleet.


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Note: Original manufacturer part numbers and technical specifications are provided for identification and compatibility reference purposes only.

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Questions and Answers

What is the primary role of this commercial braking component?
It converts hydraulic pressure from the master cylinder into the mechanical force needed to expand the heavy-duty brake shoes against the drum, decelerating the vehicle effectively.
Which vehicles utilize the 58420-45001 WHEEL CYLINDER?
This part is a specialized fitment for Hyundai commercial vehicles, specifically the Mighty (2.5 ton to 3.5 ton) and County bus models.
What are the signs of a worn commercial wheel cylinder?
Common indicators include visible brake fluid leaks around the rear tires, a gradual loss of brake pedal pressure, or reduced braking efficiency when the vehicle is fully loaded.
Does this assembly include all necessary seals?
Yes. This 58420-45001 WHEEL CYLINDER comes as a complete unit with factory-installed high-durability EPDM seals and external dust boots designed for high-mileage use.
Is this for the left or right side?
Part number 58420-45001 typically designates the Rear Left (LHS) position on these commercial chassis. To ensure uniform braking force, commercial operators usually replace both rear cylinders simultaneously.

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