Description

58320-45001 WHEEL CYLINDER Guide

Commercial Fleet Safety | Hyundai Mighty & County Rear Braking

Reliable stopping power is the most critical factor for heavy-duty commercial vehicles. This premium wheel cylinder is manufactured to exceed OE standards, ensuring your Hyundai fleet maintains consistent hydraulic pressure and safe deceleration under maximum load conditions.

58320-45001 WHEEL CYLINDER Fitment

  • Brand Compatibility: Hyundai Commercial
  • Model: Mighty / County
  • Position: Rear Right (RHS)
  • Series: HD65 / HD72 / HD78 Chassis
  • Part Number: 58320-45001

58320-45001 WHEEL CYLINDER Specs

  • Material: Reinforced Cast Iron
  • Seal Material: High-Temp EPDM Rubber
  • Bore Finish: Precision Honed
  • Anti-Corrosion: Industrial Coating
  • Quality: OE Performance Match

Commercial Maintenance Solutions

Proper maintenance of the hydraulic system prevents costly on-road failures. For a complete rear axle service, explore our Heavy-Duty Brake Shoes and Premium Brake Drums for Hyundai Mighty.

Confirm Commercial Fitment

Commercial braking specifications can vary based on tonnage and chassis configuration. Please contact us with your VIN or Chassis Number to confirm this **58320-45001 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 serves as the hydraulic power source for the rear-right drum brakes, converting fluid pressure into mechanical movement to expand the brake shoes against the drum.
Which vehicles utilize the 58320-45001 WHEEL CYLINDER?
This part is a specialized fitment for Hyundai commercial platforms, specifically the Mighty (HD65, HD72, HD78) and County bus models.
What are the signs of a worn commercial wheel cylinder?
Common symptoms include brake fluid leakage inside the drum, a "spongy" brake pedal, or the truck pulling to one side under heavy load braking.
Does this assembly include all necessary seals?
Yes. This 58320-45001 WHEEL CYLINDER is supplied as a complete unit featuring industrial-grade EPDM internal seals and reinforced external dust boots for high-mileage durability.
Is this for the left or right side?
  1. Part number 58320-45001 designates the Rear Right (RHS) position. For professional fleet maintenance, it is highly recommended to replace both rear cylinders at the same time to ensure equalized braking.


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