Idler sprocket for 50 chain. For use on seed transmission, also drive wheels on John Deere planters 7200, 7300, 7340, 1700, 1705, 1710, 1715, 1720, 1725, 1730, 1735, 1750, 1755, 1770, 1770NT, 1775NT, 1790, 1795, DB series. Replaces JD no. AA32776. Pack of 1