The Case IH E135917 is a genuine OEM diaphragm designed for use in various Case IH backhoe loaders, including models such as the 580K, 580L, 580M, 580N, 580SN, 590SL, 590SM, 590N, and 590SN. This critical component ensures reliable operation within the specified system, maintaining optimal performance and preventing leaks. Manufactured to Case IH's stringent quality standards, it provides a precise fit and long-lasting durability for demanding agricultural and construction applications.