Description
55342-3K000 BUSH Technical Guide
Sedan Rear Suspension Precision | Sonata & Optima Specialist
Service Note: Upper arm wear often coincides with trailing arm issues. Inspect your Rear Trailing Arm Bushes when replacing the 55342-3K000.
Advanced Specs of the 55342-3K000 BUSH
Sedan rear suspensions are critical for passenger comfort and handling stability. This bush is engineered with a high-durability rubber compound that provides superior NVH (Noise, Vibration, and Harshness) isolation. Its inner steel sleeve is treated with an anti-corrosive coating to prevent seizing and ensure long-term structural integrity in the rear upper control arm.
Vehicle Fitment
- Brand: Hyundai / Kia
- Model: Sonata / Optima
- Position: Rear Upper Control Arm
- Years: 2005 – 2015
Technical Specs
- Material: Specialized Natural Rubber
- Sleeve: Cold-Drawn Steel (Zinc Plated)
- Standard: OE Quality Replacement
- Type: Silentblock / Press-Fit
55342-3K000 BUSH FAQ
How often should I replace these bushings?
Typically, suspension bushings should be inspected every 50,000 km. Replacement is usually required between 100,000 km and 150,000 km depending on road conditions and usage.
Is an alignment necessary after replacement?
Yes. Any service on control arms can affect the rear wheel alignment. A full 4-wheel alignment is recommended to ensure correct tire wear and handling stability.
Experiencing rear suspension noise? Learn how to diagnose worn bushings to keep your sedan riding smoothly.
Verify 55342-3K000 BUSH Fit
Always use the current settings for the WhatsApp link and its box. Please contact us with your VIN to confirm this specific part is correct for your vehicle.













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