Description

54540-4F000 LOWER ARM Guide

Commercial Truck Stability | Hyundai Porter & H100 Precision

Commercial vehicle uptime depends on a robust and reliable suspension. This premium control arm is manufactured to exceed OE commercial standards, ensuring your Hyundai truck maintains its steering precision and load stability under the toughest working conditions.

54540-4F000 LOWER ARM Fitment

  • Brand Compatibility: Hyundai
  • Model: Porter II / H100
  • Position: Front Right (RHS)
  • Series: Commercial Grade
  • Part Number: 54540-4F000

54540-4F000 LOWER ARM Specs

  • Material: Reinforced Forged Steel
  • Coating: Heavy-Duty Anti-Corrosion
  • Bushings: High-Load Commercial Rubber
  • Ball Joint: Precision Forged & Sealed
  • Quality: OEM Performance Standard

Drivetrain & Fleet Safety

Maintaining a heavy-duty suspension is critical for preventing costly tire wear and downtime. For a complete fleet refresh, we recommend browsing our Heavy-Duty Shocks and Premium Wheel Hubs for Hyundai commercial vehicles.

Confirm Fleet Compatibility

Commercial parts can vary by payload capacity and chassis length. Please contact us with your VIN or Chassis Number to confirm this control arm is correct for your truck.


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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 control arm?
It serves as the heavy-duty pivot point for the front-right suspension, managing the extreme weight of the vehicle and its cargo while allowing for controlled vertical movement.
Which vehicles utilize the 54540-4F000 LOWER ARM?

This part is a specialized fitment for the Hyundai Porter II and Hyundai H100 series (typically 2004–present). It is built to meet the specific torque and load ratings of these trucks.

What are the signs of a failing control arm on a commercial truck?
Common symptoms include "wandering" steering, excessive vibration through the chassis, or a loud metal-on-metal "clunk" when navigating uneven work sites.
Does this part include the bushings and ball joint?
Yes. This 54540-4F000 LOWER ARM is supplied as a complete, pre-assembled unit. It features high-durability, heavy-duty rubber bushings and a reinforced ball joint designed for high-mileage commercial use.
Is this for the left or right side?
Part number 54540-4F000 designates the Front Right (Passenger Side) position. For commercial vehicles, we strongly recommend inspecting the front-left arm during the same service interval to ensure balanced handling.

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