Husqvarna 539131604 Lawn Tractor Muffler Genuine Original Equipment Manufacturer (OEM) Part This part is compatible with models including; RZ4619,Z254-967324101-00,917204140,Z248F-96733670100,967271801-00,917289821,MZ6128-966502301,Z246-967271401-00,917289820,MZ5424S,RZ4219,965882301,965882101,965880401,RZ5422,MZ54S-967334101-00,917277730,966659301,967323903-00,91750662,Z242F-967271801-00,MZ5425S,28982,965881201,967334101-00,917277780,965881401,Z246I-967323901-00,Z242F/967324401-00,115148427,Z248F-96730360100,Z254-967844601-00,MZ5225ZT-966690501,967262401-00,MZ6128ZT-966613101 Muffler 539131604 quiets exhaust noise Genuine Original Equipment Manufacturer (OEM) part. Compatible Brands: Husqvarna,Craftsman,Dixon This muffler (part number 539131604) is for lawn tractors Let surfaces cool to the touch before installing this part