The John Deere R86455 is a genuine OEM exhaust manifold gasket designed to provide a reliable seal for the exhaust system on a wide range of John Deere agricultural and industrial equipment. This critical component ensures proper exhaust gas containment, preventing leaks and maintaining engine efficiency. It is compatible with numerous John Deere tractor models including the 4030, 4230, 4430, 4630, 4040, 4240, 4440, 4640, 4840, 4050, 4250, 4450, 4650, 4850, 4055, 4255, 4455, 4555, 4560, 4755, 4760, 4955, 4960, 6100, 6200, 6300, 6400, 6500, 6600, 6800, 6900, 7200, 7400, 7600, 7700, 7800, 8100, 8200, 8300, 8400, 2955, 3055, 3155, 3255, as well as combines, cotton pickers, forage harvesters, graders, log skidders, power units, sprayers, and windrowers.