This axle works on the following 4X4 models:
2000-2002 250 Xplorer
1996-1999 300 Xplorer
2000-2002 325 Magnum
2000-2002 325 Xpedition
1999-2000 335 Sportsman
1999 335 Worker
1995-2002 400 Scrambler
1995-2003 400 Sportsman
1995-2002 400 Xplorer
1995-1997 400L Big Boss
1995-1998 425 Magnum
2000-2002 425 Xpedition
1998-2002 500 Big Boss
1999-2002 500 Magnum
2002 500 PPS
1997-2009 500 Scrambler
2001-2004 500 Sportsman HO
1999 500 Worker
1997 500 Xplorer