Brand new flat idler pulley for a John Deere riding mower deck, still sealed in its plastic, with the mounting hardware and install tool in the box. Deere part numbers it replaces: GY22172 and GY20067. Fits the 100-series tractors - D100 through D170, L100 through L130, LA100 through LA175 - with 42 or 48 inch decks. Cash only, pickup in Hampstead.