The Case IH 87840170 is an authentic OEM lock ring designed for critical fastening applications in a wide range of Case IH and New Holland agricultural equipment. This essential component ensures the secure retention of parts within various systems, maintaining operational integrity and preventing unintended dislodgement. Manufactured to precise specifications, it guarantees a reliable fit and long-lasting performance across numerous tractor models, including Farmall, Maxxum, Puma, Vestrum, T5, T6, T7, T8, T9, and TS6 series.