This genuine Case IH 87634523 wiring harness is an essential component for maintaining the electrical system integrity of various Farmall C series tractors. Engineered to meet original equipment manufacturer (OEM) specifications, it provides precise fitment and reliable performance for models including Farmall 90C, 100C, 110C, and 120C. This harness ensures proper functionality of electrical circuits, contributing to the overall operational efficiency and safety of your agricultural machinery.