Description

54584-38000 BUSH-LOWER ARM Technical Guide

Suspension Dampening Precision | Sonata EF & Optima Front End

Installation Note: This is the Rear Position bushing. For a complete overhaul, view the matching Lower Ball Joint to restore total front-end stability.

Advanced Specs of the 54584-38000 BUSH-LOWER ARM

The lower control arm bushings are essential for maintaining the vehicle’s “tracking” position. This premium component uses industrial-grade rubber to restore the original “planted” feeling of your sedan’s suspension.

Vehicle Fitment

  • Brand: Hyundai / Kia
  • Model: Sonata (EF) / Optima
  • Position: Front Lower Arm (Rear)
  • Years: 1998 – 2005

Technical Specs

  • Type: Press-Fit Bushing
  • Material: Vulcanized NR Rubber
  • Sleeve: High-Strength Steel
  • Standard: OE Geometry Match

54584-38000 BUSH-LOWER ARM FAQ

Why does this bushing fail?

Over time, heat and road contaminants degrade the rubber, leading to tears. This causes the lower arm to shift during braking, resulting in erratic handling.

Is an alignment necessary after replacement?

Yes. Professional installation followed by a four-wheel alignment is required to verify the chassis settings and protect your tire investment.

Concerned about front-end noise? Learn how to diagnose suspension bushing wear to keep your vehicle handling safely.

Verify 54584-38000 BUSH-LOWER ARM Fit

Suspension components can vary based on regional production years. 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 acts as the primary dampening point for the rear of the front lower control arm, isolating the cabin from road noise while maintaining wheel alignment during cornering.
Which vehicles utilize this specific part number?
This part is designed for the Hyundai Sonata (EF) and Kia Optima, generally for model years 1998 to 2005.
Is this a press-fit component?
Yes, this is a heavy-duty press-fit bushing. Installation requires a hydraulic press to ensure the bushing is seated correctly within the control arm housing.
Can I replace just the bushing instead of the whole arm?
Yes. If the metal control arm is not bent or damaged, replacing only the 54584-38000 is a cost-effective way to restore suspension performance.

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