M163990: HBB Section Mower Deck Drive V-Belt, Effective Length 3033.7 mm (119.4 inch)

Secondary Deck Drive Belt for X400, X500 and X700 Series. John Deere Belts are designed to fit providing for the longer belt and machine life. Since they are built from quality material, they withstand the toughest conditions. Their flexible cores allow for proper routing so they stay in the pulley groove. The belt cover material ensures smooth engagement for reduced stress on belt and equipment. Use John Deere belts for the best life and performance. M163990 replaces M141627