The Dimaco 049838973 is a genuine fuel cap designed for agricultural machinery. This robust fuel tank cap ensures a secure seal, preventing fuel leaks and contamination. It is an essential component for maintaining the integrity of your fuel system, compatible with numerous Case IH tractor, combine, cotton picker, forage harvester, and windrower models, including the 4200, 5100, 5200, 7100, 7200, 8900, 9100, 9200, 9300, MX, MXM, MXU series tractors, and 1600, 2100, 2300, 2500 series combines.