Husqvarna 539131627 Lawn Tractor PTO Switch Genuine Original Equipment Manufacturer (OEM) Part This part is compatible with models including; MZ5225ZT-966690501,MZ54S-967334101-00,MZ5424S,MZ6128ZT-966613101,MZ5425S,967003901,967334101-00,917204170,MZ5425S/250212 PTO switch 539131627 engages the electric clutch to spin the blades Genuine Original Equipment Manufacturer (OEM) part. Compatible Brands: Husqvarna,Craftsman This PTO switch (part number 539131627) is for lawn tractors Disconnect the battery before installing this part