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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