Description

54584-2T000 BUSH-LOWER ARM Technical Guide

Suspension Dampening Precision | Optima TF & Sonata YF

Installation Note: This is the Rear Position bushing. For a complete overhaul, view the matching Front Control Arm Assembly to restore total front-end stability.

Advanced Specs of the 54584-2T000 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 “tight” feeling of your steering while preventing premature tire wear.

Vehicle Fitment

  • Brand: Kia / Hyundai
  • Model: Optima (TF) / Sonata (YF)
  • Position: Front Lower Arm (Rear)
  • Years: 2011 – 2015

Technical Specs

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

54584-2T000 BUSH-LOWER ARM FAQ

Why does this bushing fail?

It bears the brunt of longitudinal forces during braking and acceleration. Over time, heat and road contaminants degrade the rubber, leading to tears and loss of alignment.

Is an alignment necessary after replacement?

Absolutely. 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 54584-2T000 BUSH-LOWER ARM Fit

Bushing sizes can vary slightly between standard and sport suspension trims. 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 pivot and dampening point for the rear of the front lower control arm, isolating the cabin from road noise while maintaining wheel alignment.
Which vehicles utilize this specific part number?
This part is designed for the Kia Optima (TF) and Hyundai Sonata (YF), generally for model years 2011 to 2015.
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 54584-2T000 is a cost-effective way to restore suspension performance.

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