This axle works on the following 4X4 Models
2000 Kawasaki Mule 2500
2000 - 2002 Kawasaki Mule 2510
2000 Kawasaki Mule 2520
2001 - 2008 Kawasaki Mule 3010
2001 – 2002 Kawasaki Mule 3020
2004 – 2008 Kawasaki Mule 3000
2009 – 2021 Kawasaki Mule 4000
2009 – 2021 Kawasaki Mule 4010