John Deere Original Equipment Plug, Dust - R80324 Outside Diameter - Large: 23.876 MM Length: 95.250 MM Hole Size: 6.350 MM Material: RUBBER Fits the following John Deere Models: 1030, 1130, 1630, [1640, 2040, 2040S with S.N. 460,000-], 1830, 2030, 2130, 2140 (S.N. 430,000-), 2440( S.N. -340,999), 2640, 3030, 3130, 3040(S.N. 430,000-), 3140(S.N. 430,000-), 3800, 4030, 4040, 4240, 4440, 4040S, 4240S, 4430, 450, 455, 4520, 4640, 4840, 950. This is a OEM John Deere Part. Thanks for looking!