Husqvarna 532173434 Lawn Tractor Mandrel Pulley Genuine Original Equipment Manufacturer (OEM) Part This part is compatible with models including; 917256670,917258970,DPR22H46STA,917258971,DPR22H46STB,917258972,917258973,917277010,917277011,917250790,917251640,917251521,917251642,917251520,917251641,917251523,917251522,944609900,917258960,917258961,917273421,917258962,917278230,917256662,917273420,917256661,917256660,917277102,917277103,917277104,AYP8186A79,944609810,PPR20H46STA,917258871,917258872,917256690,917258873,917272120,917258990,917277111,917258870,917272121,756-052,RELT1236D This is a manufacturer substitution. Part may differ in appearance but is a functional equivalent to prior parts including; 5321734-34,5321535-31,5321292-07,173434,153531,129207,532129207,129207,539110315,5391103-15 Genuine Original Equipment Manufacturer (OEM) part. Compatible Brands: Husqvarna This mandrel pulley (part number 532173434) is for lawn tractors Wear work gloves to protect your hands when installing this part