The John Deere CC40556 is an authentic OEM sleeve designed for critical applications across a wide range of John Deere agricultural equipment. This genuine component ensures precise fitment and reliable operation in planters including the 1770NT and 1790 series, drills such as the 1590 and 1890, S-series combines, and R-series sprayers. Manufactured to John Deere's rigorous standards, the CC40556 sleeve provides essential support and wear resistance, contributing to the longevity and performance of your machinery.