The Lesjofors 4237243 Rear Coil Spring is engineered to provide reliable support for the rear suspension of Kia Sportage models from 2011 to 2012. Manufactured by Lesjofors, a company with a longstanding reputation for quality automotive components, this coil spring is designed to meet or exceed original equipment (OE) standards, ensuring a precise fit and optimal performance. Constructed from high-strength steel, the spring undergoes a comprehensive manufacturing process that includes heat treatment, shot peening, and coating with zinc phosphate and epoxy powder paint. These processes enhance the spring's durability and resistance to corrosion, extending its service life and maintaining vehicle handling characteristics. The spring's dimensions are 341 mm in height, 99 mm in external diameter, and 12 mm in rod thickness, aligning with the specifications of the original part. This precise engineering ensures that the spring can effectively support the vehicle's weight, absorb road irregularities, and maintain proper ride height, contributing to improved ride comfort and handling. By choosing the Lesjofors 4237243 Rear Coil Spring, fleet operators can ensure that their vehicles maintain optimal performance and safety standards. The spring's design and material quality help prevent premature wear and potential suspension issues, reducing maintenance costs and downtime. This component is a direct replacement for the original part numbers 55350-2Y100 and 553503U100, facilitating straightforward installation without the need for modifications. In summary, the Lesjofors 4237243 Rear Coil Spring offers a high-quality, durable solution for maintaining the rear suspension system of Kia Sportage vehicles, ensuring consistent performance and reliability.