Lesjöfors 4127567 Front Coil Spring Standard is engineered to meet or exceed original equipment (OE) specifications for 1997-2002 Ford Expedition rear-wheel-drive (RWD) models equipped with air conditioning (AC). Manufactured from high-strength steel, this coil spring undergoes a comprehensive process that includes heat treatment, shot peening, zinc phosphate coating, and epoxy powder coating to enhance durability and corrosion resistance. The spring's design is optimized to restore the vehicle's original ride height and handling characteristics, addressing issues such as sagging or worn-out springs that can lead to misalignment and premature tire wear. By choosing Lesjöfors, fleet operators ensure a reliable and cost-effective solution that minimizes downtime and maintenance costs, thereby enhancing operational efficiency.