**Verify part fits before purchasing** Specs: Unit Type: DRIVE ASSY. Rotation: CCW Teeth: 17 Replaces OEM Numbers: ARROWHEAD: SMU5003, 220-54005, ZN0751 J&N Electrical Products: 220-54002, 220-54005 MITSUBA: SM1329850 POLARIS: 3083647, 3085394, 3087030, 3089255, 3090034 TUCKER ROCKY: 495717, 49-5717 WAI: 54-8505 ZEN: 0751, 1.01.0751.0 Compatible with/Replacement for: Polaris models Big Boss 250 4x6 1989-1993, Big Boss 300 6X6 1994, Big Boss 350 6X6 1993, Big Boss 400L 6X6 1994-1997, Big Boss 500 6X6 1997-1998, Big Boss 500 6X6 Int'l 1999-2002, Big Boss 500 6X6 Norwegian, Big Boss 500 6X6 Swedish 1998, Magnum 425 6X6, Magnum 425 6X6 Swedish 1996-1997, Ranger 2X4 2001-2004, Ranger 400 4x4 2010