SPINDLE AND PULLEY ASSEMBLY REPLACES: 532 17 43-56, 532 17 43-58, 539 10 75-15, 174356, 532 17 43-58 NHC 251-0608, 82-015, 7-03179, 22-903, 84005711 AND 11014. FITS MODELS 48" DECK, 2002 AND NEWER. GT 2248, GTH 2248, GTH 2548, YTH 1848XP AND YTH 2748; JONSERED LT19A, LT2119A, LT2122A AND LT2122A2. MOUNTING HOLES ARE TAPPED. INCLUDES BLADE BOLT 174365, PULLEY LOCK NUT 178342, AND SPACER 129963 OR 187690. HEIGHT: 5 -29/32". GREASE FITTING ON END. Warning: Lead-Nickel-Cancer and Reproductive Harm