Description

54500-C1000 LOWER ARM Guide

Sedan Suspension Precision | Sonata LF & Optima JF Front Alignment

Mid-size sedans require a perfect balance between steering precision and road isolation. This premium component is built to exacting OE specifications, ensuring your Sonata maintains its factory-fresh handling and quiet cabin comfort over all road conditions.

54500-C1000 LOWER ARM Fitment

  • Hyundai Compatibility: Sonata (LF Series)
  • Kia Compatibility: Optima (JF Series)
  • Position: Front Right (RHS)
  • Years: 2015 – 2019
  • Part Number: 54500-C1000

54500-C1000 LOWER ARM Specs

  • Material: Stamped High-Tensile Steel
  • Bushings: Vibration-Dampening Elastomer
  • Finish: Industrial Anti-Rust E-Coating
  • Build: OE Geometry Match
  • Quality: Professional Grade Replacement

Complete Suspension Refresh

Maximize your sedan’s stability by pairing this arm with new components. Explore our Front Strut Assemblies and Stabilizer Links for a total front-end restoration.

Confirm Suspension Fitment

Control arm designs for the Sonata LF can vary based on wheel size and suspension tune (Sport vs. Standard). Please contact us with your VIN to confirm this **54500-C1000 LOWER ARM** is correct for your vehicle.


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Note: Original manufacturer part numbers and technical specifications are provided for identification and compatibility reference purposes only.

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Questions and Answers

What is the function of the 54500-C1000 LOWER ARM?
It provides the primary pivot point for the front suspension, allowing the wheel assembly to move vertically while maintaining the precise camber and caster angles required for stable steering.
Which vehicles utilize the 54500-C1000 LOWER ARM?
This part is a specialized fitment for the seventh-generation Hyundai Sonata (LF) and the fourth-generation Kia Optima (JF), typically covering production from 2015 to 2019.
What are the symptoms of a failing Sonata LF control arm?
Common indicators include a steering wheel that vibrates at highway speeds, a "clunking" or "popping" noise when turning or braking, and noticeable inner-edge tire wear.
Does this arm include the ball joint?
This 54500-C1000 LOWER ARM comes with high-quality bushings pre-pressed into the frame. Depending on the specific engine variant (Hybrid vs. Turbo), the ball joint configuration may vary; please verify your specific chassis requirements.
Is this for the driver or passenger side?
Part number 54500-C1000 designates the Front Right (RHS) position. For maximum safety and balanced handling, it is highly recommended to replace both front control arms simultaneously on mid-size sedans.

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