K&N KN-621 Oil Filter

K&N Wrench-Off oil filters are engineered to help ensure high flow rates and exceptional protection from contaminants. Each powersports filter comes with a 17mm hex nut welded to the top of the canister, allowing for easy removal.

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K&N premium oil filters for powersports vehicles utilize an innovative, highly efficient synthetic-blend filtration media designed to be compatible with synthetic, petroleum-based, and blended oils, including the high concentrations of synthetic racing oils. The heavy-duty canister is engineered to be exceptionally durable, and a 17mm welded hex nut can be used for quick and easy filter removal. Engineered to support exceptionally high flow rates while providing outstanding protection from harmful engine contaminants, each filter is specifically designed to withstand the service intervals recommended by vehicle manufacturers, and is protected by the K&N 1-Year Limited Warranty.

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Application Summary:

Year	Make/Model
2010-2011	Arctic Cat 1000 EFI H2 4x4 Auto TRV
2009-2011	Arctic Cat 1000 TRV Cruiser
2013-2017	Arctic Cat 1000 XT
2012	Arctic Cat 1000i GT
2011-2012	Arctic Cat 350
2008-2009	Arctic Cat 366 4x4 Auto
2010-2011	Arctic Cat 366 4x4 Auto SE
2015	Arctic Cat 400
2011	Arctic Cat 425
2012	Arctic Cat 425i
2012	Arctic Cat 425i SE
2011	Arctic Cat 450
2015	Arctic Cat 450
2013	Arctic Cat 450 Core
2010	Arctic Cat 450 EFI H1 4x4 Auto
2011	Arctic Cat 450 LTD
2011	Arctic Cat 450 TRV
2012	Arctic Cat 450i
2014-2016	Arctic Cat 500
2009	Arctic Cat 500 4x4
2008-2009	Arctic Cat 500 4x4 Auto
2008	Arctic Cat 500 4x4 Auto M4
2008	Arctic Cat 500 4x4 Auto TRV
2013	Arctic Cat 500 Core
2013	Arctic Cat 500 XT
2012	Arctic Cat 550
2014	Arctic Cat 550
2010-2011	Arctic Cat 550 4x4 Auto
2010	Arctic Cat 550 4x4 Auto LE
2009-2011	Arctic Cat 550 4x4 Auto TRV
2009	Arctic Cat 550 4x4 Auto TRV LE
2013	Arctic Cat 550 Core
2009	Arctic Cat 550 H1 EFI
2011	Arctic Cat 550 LTD
2014	Arctic Cat 550 LTD
2011	Arctic Cat 550 S
2011	Arctic Cat 550 TRV Cruiser
2011	Arctic Cat 550 TRV GT
2010	Arctic Cat 550 TRV S GT
2013-2014	Arctic Cat 550 XT
2012	Arctic Cat 550i GT
2012-2013	Arctic Cat 550i LTD
2006-2008	Arctic Cat 650 H1 4x4 Auto
2010-2011	Arctic Cat 650 H1 4x4 Auto
2007	Arctic Cat 650 H1 4x4 Auto LE
2006	Arctic Cat 650 H1 4x4 Auto SE
2007	Arctic Cat 650 H1 4x4 Auto TBX
2008-2009	Arctic Cat 650 H1 4x4 Auto TRV
2007	Arctic Cat 650 H1 4x4 Auto TRV Plus
2007	Arctic Cat 650 H1 4x4 Auto TRV Plus LE
2011	Arctic Cat 700
2014	Arctic Cat 700
2013	Arctic Cat 700 Core
2007-2008	Arctic Cat 700 EFI 4x4 Auto
2007	Arctic Cat 700 EFI 4x4 Auto LE
2008	Arctic Cat 700 EFI 4x4 Auto M4
2008-2011	Arctic Cat 700 EFI 4x4 Auto TRV Cruiser
2008	Arctic Cat 700 EFI 4x4 Auto TRV LE
2009-2010	Arctic Cat 700 EFI H1 4x4 Auto
2009-2010	Arctic Cat 700 EFI H1 4x4 Auto LE
2009-2011	Arctic Cat 700 EFI H1 4x4 Auto Mud Pro
2008-2009	Arctic Cat 700 EFI H1 4x4 Auto SE

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