These rear shocks work on the following models
1999 – 2001 Polaris DIESEL 455
2001 – 2004 Polaris SPORTSMAN 400
2005 Polaris SPORTSMAN 400 Must be built after 9/06/04
2006 Polaris SPORTSMAN 450 Must be built before 7/29/05
1996 – 2000 & 2004 Polaris SPORTSMAN 500
2001 Polaris SPORTSMAN 500 DUSE
2005 Polaris SPORTSMAN 500 HO Must be built after 9/06/04
2006 Polaris SPORTSMAN 500 HO Must be built before 7/29/05
2001 – 2003 Polaris SPORTSMAN 500 HO Must be built before 7/29/05
1999 – 2001 SPORTSMAN 500 RSE
2003 – 2004 Polaris SPORTSMAN 600
2005 Polaris SPORTSMAN 600 Must be built after 9/06/04
2005 Polaris SPORTSMAN 700 Must be built after 9/06/04
2006 Polaris SPORTSMAN 700 Must be built before 7/29/05
2002 – 2005 Polaris SPORTSMAN 700 EFI Must be built before 7/29/05
2005 Polaris SPORTSMAN 800 EFI
2006 Polaris SPORTSMAN 800 EFI Must be built before 7/29/05
1999 Polaris SPORTSMAN WORKER 335
1999 – 2001 Polaris SPORTSMAN WORKER 500
1999 Polaris WORKER 335
1999 Polaris WORKER 500
1997 Polaris XPLORER 500