Husqvarna 532183499 Lawn Mower Transmission Helical Gear Genuine Original Equipment Manufacturer (OEM) Part This part is compatible with models including; 917375350,917376560,917376681,917375351,917376561,917376682,917378980,917376562,917376680,96142001102,917371660,917376678,96144000201,917376674,917376675,917376676,SO5722SHP,961470004,961470003,917389880,96122000700,96122000701,917376670,917376791,917376550,917376671,917376792,917376551,917376672,917376793,917376552,917376673,187211,187212,917376790,917371650,917389892,917389890,917379371,5521CHVA,917379370,917376660,917376661,96122001000,917376662 This is a manufacturer substitution. Part may differ in appearance but is a functional equivalent to prior parts including; 183499 Genuine Original Equipment Manufacturer (OEM) part. Compatible Brands: Husqvarna This transmission helical gear (part number 532183499) is for lawn mowers The worm shaft drives the helical gear, which in turn drives the wheels