The John Deere AH228817 High-Wear Tristream Rotor-Separator Tine Kit is an original equipment manufacturer (OEM) part designed for John Deere S-Series combines. This kit is engineered to enhance threshing and separation efficiency, particularly in abrasive conditions, due to its high-wear design. It includes 18 tines, 18 bolts, and 18 nuts, providing a complete solution for maintenance or replacement. The tines are crucial for effective crop handling within the rotor, contributing to consistent grain quality and reduced field losses. This genuine John Deere part ensures compatibility and reliable performance with specified combine models.