The 3686115M91 is a genuine OEM collar designed for various Massey Ferguson, Landini, and McCormick agricultural machinery. This essential component ensures proper spacing and secure fitment within critical assemblies, maintaining optimal operational integrity. With an outer diameter of 35 mm, an inner diameter of 25 mm, and a thickness of 10 mm, this robust collar is manufactured to precise specifications for durability and reliable performance across a wide range of tractor models.