1-1/2 INCH DUST CAP FOR JOHN DEERE AND KINZE DISC OPENERSDust Cap for JD and Kinze Disc Openers. 1. 5" diameter. Will replace JD A52024. Interchange 488 123845,488SMA52024, Net Weight (lbs) 0. 01 Length 1. 88 Width 1. 88 Height 0. 88 Make Type Model John Deere Planter 1725NT John Deere Planter 1750 John Deere Planter 1755 John Deere Planter 1760 John Deere Planter 1760NT John Deere Planter 1765NT John Deere Planter 1770 John Deere Planter 1770NT John Deere Planter 1775 John Deere Planter 1775NT John Deere