Husqvarna 169778 Lawn Mower Ground Drive Belt Genuine Original Equipment Manufacturer (OEM) Part This part is compatible with models including; 917378480,5521CHVA,917378640,917378400,917378521,917378642,917378520,917378641,917378960,917371491,917378482,917378481,917371490,96142001102,917378934,917378933,917378930,917371500,917376510,917378932,917378931,PR65Z21MA,5521CHVB,917378491,917378490,917378530,917378531,917378493,917378492,917376690,917377240,917378494,917378922,917378402,917378501,917378644,917378941,917378401,917378500,917378643,917378940,917378404,917378921,917378403,917378920 This is a manufacturer substitution. Part may differ in appearance but is a functional equivalent to prior parts including; 532169778 Genuine Original Equipment Manufacturer (OEM) part. Compatible Brands: Craftsman,Poulan This ground drive belt (part number 169778) is for lawn mowers Wear work gloves to protect your hands when installing this part