The Case-IH 1997129C1 is a genuine OEM serrated washer designed to provide secure fastening and prevent loosening due to vibration in various Case-IH agricultural and construction equipment. This essential component is manufactured to original specifications, ensuring optimal performance and durability. Weighing approximately 0.005 kg, it is a critical part for maintaining the integrity of bolted connections across a wide range of Case-IH models, including Axial-Flow combines, JX series tractors, MX series tractors, Puma series tractors, and STX series tractors.