The John Deere MCM021704007 is a genuine OEM O-Ring designed for sealing applications in a wide range of John Deere agricultural, utility, and construction equipment. This high-quality O-ring features an inner diameter of 17.04 mm and a cross-section of 2.00 mm, ensuring a precise fit and reliable seal to prevent leaks and maintain system integrity. It is an essential component for hydraulic systems, engine components, and other critical interfaces across numerous John Deere tractor series, including the 5E, 5M, 6M, and 6R models.