The Case IH K85359 is a genuine OEM locknut featuring an M16x1.5 thread, designed for critical fastening applications across a wide range of Case IH agricultural and construction equipment. This essential component ensures reliable assembly by preventing loosening due to vibration, which is crucial for maintaining machine integrity and operational safety. Manufactured to Case IH's stringent quality standards, the K85359 locknut provides a precise fit and durable performance, contributing to the longevity and efficiency of your machinery.