If built before 6/13/05:
Year Product Model Assembly
SERIES 11 PPS UTV 2X4/4X4/6X6 FRONT HOUSING - C11RD50AA/AB/C11RF50AA
2005 ATV MAGNUM 330 4X4 FRONT HOUSING - A05CD32AA/AB/AC
2005 ATV ATP 330 4X4 FRONT HOUSING - A05JD32AA
2005 ATV ATP 330 4X4 QUAD FRONT HOUSING - A05JD32EA
2005 ATV ATP 500 4X4 FRONT HOUSING - A05JD50AA/AB/AC
2005 ATV SPORTSMAN 400 FRONT HOUSING - A05MH42AB/AG/AH
2005 ATV SPORTSMAN 500 HO/INTL FRONT HOUSING - A05MH50AB/AC/AG/AH/AL/AT/FB
2005 ATV SPORTSMAN 600 FRONT HOUSING - A05MH59AK/AN
2005 ATV SPORTSMAN 700 EFI FRONT HOUSING - A05MH68AC/AS/AT/AU/AW
2005 ATV SPORTSMAN 700 FRONT HOUSING - A05MH68AK/AN/AD
2005 ATV SPORTSMAN 800 EFI FRONT HOUSING - A05MH76AC/AT/AU/AW
2005 ATV SPORTSMAN MV7 HOUSING, FRONT - A05MH68AP
2005 MIL SPORTSMAN MV 7 GEARCASE, FRONT - A05MH68MB
2005 RGR RANGER 2X4,4X4,6X6 FRONT HOUSING (4X4)(6X6) - R05RD50AA/AB/AC/AD/RF50AA/AB
2005 RGR RANGER XP HOUSING, FRONT - R05RD68AA/AB
2004 ATV MAGNUM 330 4X4 FRONT HOUSING - A04CD32AA/AB/AC
2004 ATV A04CH42AQ SPORTSMAN 400 FRONT HOUSING - A04CH42AQ/AR/AS/AT/AV
2004 ATV A04CH50AQ SPORTSMAN 500 FRONT HOUSING - A04CH50AO/AQ/AR/AS/AT/AV/AW/AX
2004 ATV A04CH59AK SPORTSMAN 600 FRONT HOUSING - A04CH59AK/AL/AN/AQ/AW
2004 ATV A04CH68AK SPORTSMAN 700 FRONT HOUSING - A04CH68AK/AL/AN/AO
2004 ATV A04CH68AU/CU SPORTSMAN 700 FRONT HOUSING - A04CH68AP/AQ/AU/CU
2004 ATV ATP 330 4X4 FRONT HOUSING - A04JD32AA
2004 ATV A04JD50AA ATP 500 4X4 FRONT HOUSING - A04JD50AA/AB/CA
2004 RGR RANGER 2X4,4X4,6X6 FRONT HOUSING (4X4) (6X6) - A04RD50AA/AB/AC/A04RF50AA
If built after 6/13/05:
Year Product Model Assembly
2008 RGR RANGER 6X6 700 EFI DRIVE TRAIN, FRONT GEARCASE (Built 8/28/07 and Before) - R08RF68AD/AF/AZ
2008 RGR RANGER 4X4 500 EFI DRIVE TRAIN, FRONT GEARCASE (Built 8/28/07 and Before) - R08RH50AF/AR/AT
2008 RGR RANGER 4X4 700 EFI/XP ALL OPTIONS DRIVE TRAIN, FRONT GEARCASE (Built 8/28/07 and Before) - R08RH68 ALL OPTIONS
2007 RGR RANGER 500 2X4/4X4 GEARCASE, FRONT - R07RB50AA/RH50AA
2007 RGR RANGER 700 EFI 6X6 GEARCASE, FRONT - R07RF68AD/AF
2007 RGR RANGER 500 EFI 4X4 GEARCASE, FRONT - R07RH50AF/AR/AT
2007 RGR RANGER 4X4 700 EFI/LE GEARCASE, FRONT - R07RH68AD/AG/AH/AK/AL/AO/AP/AW
2006 ATV MAGNUM 330 4X4 HOUSING, FRONT (DEMAND DRIVE) - A06CD32AA/AB/AC
2006 ATV SPORTSMAN 450 HOUSING, FRONT (DEMAND DRIVE) - A06MH46 ALL OPTIONS
2006 ATV SPORTSMAN 500 HO HOUSING, FRONT (DEMAND DRIVE) - A06MH50AA/AB/AD/AF
2006 ATV SPORTSMAN 500 EFI HOUSING, FRONT (DEMAND DRIVE) - A06MH50AQ/AX/AY/AZ/AL/AT
2006 ATV SPORTSMAN 500 HO INTL HOUSING, FRONT (DEMAND DRIVE) - A06MH50FB
2006 ATV SPORTSMAN 500 EFI INTL HOUSING, FRONT (DEMAND DRIVE) - A06MH50FC
2006 ATV SPORTSMAN 700 HOUSING, FRONT (DEMAND DRIVE) - A06MH68AA/AD/AF
2006 ATV SPORTSMAN 700 EFI HOUSING, FRONT (DEMAND DRIVE) - A06MH68AQ/AT/AX/AY/AZ
2006 ATV SPORTSMAN 800 EFI HOUSING, FRONT (DEMAND DRIVE) - A06MH76AL/AQ/AT/AX/AY/AZ
2006 RGR RANGER 500 2X4/4X4 HOUSING, FRONT (4X4) - R06RD50AA
2006 RGR RANGER 500 4X4 EFI HOUSING, FRONT - R06RD50AB/AC
2006 RGR RANGER XP 4x4 700 HOUSING, FRONT - R06RD68AA/AB/AC/AD/AE/AF
2006 RGR RANGER 6x6 EFI 700 HOUSING, FRONT - R06RF68AA
2005 ATV MAGNUM 330 4X4 FRONT HOUSING - A05CD32AA/AB/AC
2005 ATV ATP 330 4X4 FRONT HOUSING - A05JD32AA
2005 ATV ATP 330 4X4 QUAD FRONT HOUSING - A05JD32EA
2005 ATV ATP 500 4X4 FRONT HOUSING - A05JD50AA/AB/AC
2005 ATV SPORTSMAN 400 FRONT HOUSING - A05MH42AB/AG/AH
2005 ATV SPORTSMAN 500 HO/INTL FRONT HOUSING - A05MH50AB/AC/AG/AH/AL/AT/FB
2005 ATV SPORTSMAN 600 FRONT HOUSING - A05MH59AK/AN
2005 ATV SPORTSMAN 700 EFI FRONT HOUSING - A05MH68AC/AS/AT/AU/AW
2005 ATV SPORTSMAN 700 FRONT HOUSING - A05MH68AK/AN/AD
2005 ATV SPORTSMAN 800 EFI FRONT HOUSING - A05MH76AC/AT/AU/AW
2005 ATV SPORTSMAN MV7 HOUSING, FRONT - A05MH68AP
2005 RGR RANGER 2X4,4X4,6X6 FRONT HOUSING (4X4)(6X6) - R05RD50AA/AB/AC/AD/RF50AA/AB
2005 RGR RANGER XP HOUSING, FRONT - R05RD68AA/AB
Any of them should bolt up in your frame.