The John Deere T28664 is a genuine OEM separator plate, also referred to as a disk with outer spline, engineered for critical applications within John Deere agricultural and and industrial equipment. This durable component ensures precise separation and engagement within specified systems, contributing to optimal machine performance and extended operational life. As a direct replacement part, it guarantees a perfect fit and reliable function across a wide range of compatible John Deere tractor models, maintaining the integrity of the original equipment.