Features

• This part is compatible with models including; Z4219BF-968999763,968999656,917277820,968999512,968999655,917277800,968999517,968999511,Z4218-968999281,Z4619-968999656,Z4824BF-968999517,CZ3815,968999765,968999508,Z5426BF-968999765,Z4619BF-968999764,968999764,968999763,968999246,968999301,968999685,968999245,Z4824-968999512,Z5426-968999508,Z4219-968999511,Z4220BF-968999685,968999281,CZ4217,Z4822-968999301,Z4220-968999655
• This is a manufacturer substitution. Part may differ in appearance but is a functional equivalent to prior parts including; 5399901-55,5400002-24
• Genuine Original Equipment Manufacturer (OEM) part. Compatible Brands: Husqvarna
• This nut (part number 539990155) is for lawn tractors