John Deere Original Equipment O-Ring - E65288 The part specifications for E65288: Part Number: E65288 Part Name: O-Ring Inside Diameter(MM): 82.2706 Nominal Section(MM): 1.7780 Standard Number Code(ALPHA): A Standard Number Size(ALPHA): 042 Durometer(ALPHA): 70 Material(ALPHA): H4A This E65288 O-Ring fits various models. This is an OEM John Deere part.