Description

54420-3F100 BUSH Technical Guide

Luxury Sedan Comfort Pivot | Kia Opirus & Hyundai Equus

Service Note: Upper arm bushings often fail alongside ball joints. Inspect your Upper Ball Joints during the 54420-3F100 installation.

Advanced Specs of the 54420-3F100 BUSH

Executive sedans require a specific durometer of rubber to balance road feedback with cabin isolation. This bushing utilizes a high-tensile steel outer shell and a proprietary elastomer compound designed to resist the heat and friction of high-speed highway cruising.

Vehicle Fitment

  • Brand: Kia / Hyundai
  • Model: Opirus (Amanti) / Equus
  • Position: Front Upper Control Arm
  • Type: Luxury/Flagship Sedan

Technical Specs

  • Material: Reinforced NR Elastomer
  • Casing: Cold-Rolled Steel
  • Fitment: OE Direct Replacement
  • Design: High-Isolating Core

54420-3F100 BUSH FAQ

Can I replace just the rubber without the steel shell?

No. The 54420-3F100 is a complete bonded unit. Attempting to separate the rubber will destroy the part and compromise safety.

How many are required for a full front service?

Most configurations require 4 bushings in total (2 for the left upper arm and 2 for the right upper arm).

Experiencing steering vibrations? Read more about identifying bad control arm bushings to keep your luxury ride smooth.

Verify 54420-3F100 BUSH Fit

Luxury sedan chassis can have variations based on suspension packages (Air vs. Coil). Please contact us with your VIN to confirm this specific part is correct for your vehicle.


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Questions and Answers

What is the role of this component?
It serves as the pivot point for the upper control arm, allowing the suspension to travel vertically while dampening road noise and vibrations.
Which vehicles utilize this specific part number?
This part is primarily designed for the Kia Opirus (Amanti) and the Hyundai Equus, generally for models produced between 2003 and 2011.
Is this a press-fit component?
Yes, the 54420-3F100 must be professionally pressed into the upper control arm housing. DIY installation without a hydraulic press is not recommended as it can damage the arm.
Does a failing bush affect tire wear?

Yes. A worn upper bushing allows the wheel to "lean," causing improper camber alignment which leads to rapid wear on the inside edge of the front tires.


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