Keep your Massey Ferguson tractor's cooling system running reliably with this Genuine AGCO Massey Ferguson 3702478M1 Thermostat Housing O-Ring Gasket. This authentic OEM replacement seal installs at the thermostat flange and housing, creating a tight, dependable seal that helps prevent coolant leaks and keeps your engine operating at the proper temperature. Designed for use with thermostat 3702478M1, this O-ring is a direct-fit replacement for a wide range of Massey Ferguson compact and utility tractors, including the GC2400, GC2410, GC2600, GC2610, 1225, 1230, 1233, 1235, 1240, 1250, 1260, 1533, 1540, 1547, 1552, 1648, 1652, and 1655 models. Because it is a genuine OEM part, you can trust it meets the exact specifications required for a proper fit and long-lasting performance. Each listing includes one O-ring gasket. Please verify compatibility with your specific tractor model and thermostat assembly before ordering to ensure the correct fit.