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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