The AGCO Fella FEL141344 is a genuine OEM back-up ring designed for use in various Fella agricultural machinery, including specific models of mowers, tedders, and rakes. This essential component provides critical support to O-rings and seals, preventing extrusion under high pressure and extending the lifespan of hydraulic systems. With an outer diameter of 40mm, an inner diameter of 32mm, and a thickness of 4mm, this back-up ring ensures precise fitment and optimal performance in demanding agricultural applications.