Description

58320-45201 WHEEL CYLINDER Guide

Hydraulic Force | Hyundai Commercial Truck & Bus Braking

This premium hydraulic cylinder is designed to restore factory-spec stopping power to your commercial vehicle. Built to handle extreme thermal loads and high pressure, this unit ensures reliable braking performance for heavy-duty transport and passenger safety.

58320-45201 WHEEL CYLINDER Fitment

  • Hyundai Compatibility: Mighty Truck
  • Hyundai Compatibility: County Bus
  • Position: Rear Axle (Drum Brake)
  • Application: Medium-Duty Commercial
  • Part Number: 58320-45201

58320-45201 WHEEL CYLINDER Specs

  • Material: Heavy-Duty Cast Iron
  • Seals: High-Temp EPDM Rubber
  • Piston: Dual-Action Hydraulic
  • Standard: OEM Performance Grade
  • Finish: Corrosion-Resistant Bore

Brake System Maintenance Benefits

Replacing a leaking cylinder is vital for maintaining the hydraulic pressure of your entire braking circuit. A faulty **58320-45201 WHEEL CYLINDER** can lead to total brake failure under load. We strongly recommend browsing our Brake Shoes and Premium Brake Fluid for a complete system overhaul.

Verify Professional Compatibility

To ensure this wheel cylinder is the correct fit for your specific truck chassis and axle payload, please contact us for professional verification.


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Note: Original manufacturer part numbers and cross-references are for identification and compatibility reference purposes only.

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Questions and Answers

What is the primary function of this wheel cylinder?
It converts hydraulic pressure from the brake master cylinder into mechanical force, pushing the brake shoes outward against the drum to decelerate the vehicle.
Which vehicles utilize the 58320-45201 WHEEL CYLINDER?
This part is a specialized fitment for Hyundai commercial vehicles, specifically the Mighty (2.5T/3.5T) and County bus models. It is built to withstand the higher hydraulic pressures of commercial braking systems.
What are the symptoms of a failing wheel cylinder?
Common signs include visible brake fluid leaking behind the backplate, a "spongy" brake pedal, pulling to one side during braking, or rear drum brakes locking up or failing to engage.
Does this include the internal repair kit?
The 58320-45201 WHEEL CYLINDER is supplied as a complete, ready-to-install assembly including the housing, pistons, return springs, and dust boots. Replacing the entire unit is recommended over internal kits for commercial safety.
Is this for the left or right side of the axle?
Fitment can be side-specific depending on the bleeder screw orientation. It is vital to verify your vehicle's specific axle configuration (Front-Rear or Rear-Rear) before installation.

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