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    K&N Oil Filter — KN-621

    $17.99

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    Oil Filter.

    In stock

    SKU: WP56-0621
    Category:
    Brands:

    Description

    K&N oil filter. Manufacturer part number KN-621.

    WPS part number 56-0621.

    Vehicle fitment

    WPS lists this part for the following vehicles. Match your exact model and year.

    Follow the position, mounting and installation notes in the product description. Modified vehicles may require different parts.

    Compatible vehicle years, makes and models
    YearsMakeModel
    2012–2015Arctic Cat1000 Mud Pro LTD
    2009–2010Arctic Cat1000 TRV Cruiser
    2013–2015Arctic Cat1000 TRV LTD EPS
    2015Arctic Cat1000 TRV XT
    2009Arctic Cat1000 Thundercat
    2010Arctic Cat1000 Thundercat LTD
    2013–2014Arctic Cat1000 XT EPS
    2008–2009Arctic Cat366 4X4 Auto
    2011Arctic Cat366 4X4 Auto SE
    2015Arctic Cat400 4X4
    2009–2010Arctic Cat400 4X4 TRV
    2009Arctic Cat500 4X4
    2009Arctic Cat500 4X4 Auto
    2008Arctic Cat500 4X4 Auto TRV
    2015Arctic Cat500 4X4 TRV
    2013–2014Arctic Cat550 4X4
    2012–2014Arctic Cat550 4X4 LTD
    2009–2011Arctic Cat550 4X4 TRV
    2012Arctic Cat550 4X4 TRV Cruiser EPS
    2011Arctic Cat550 4X4 TRV GT
    2009Arctic Cat550 4X4 TRV LTD
    2013–2014Arctic Cat550 4X4 TRV XT EPS
    2013–2014Arctic Cat550 4X4 XT EPS
    2007Arctic Cat650 4X4 H1 LE
    2010Arctic Cat650 4X4 H1 Mud Pro
    2006Arctic Cat650 4X4 H1 SE
    2007Arctic Cat650 4X4 H1 TBX
    2008–2009Arctic Cat650 4X4 H1 TRV
    2007Arctic Cat650 4X4 H1 TRV LE
    2008, 2012–2013Arctic Cat700 4X4
    2012Arctic Cat700 4X4 GT
    2012–2014Arctic Cat700 4X4 LTD
    2012–2013Arctic Cat700 4X4 Mud Pro
    2012, 2014–2015Arctic Cat700 4X4 Mud Pro LTD
    2015–2016Arctic Cat700 4X4 TBX
    2013–2014Arctic Cat700 4X4 TBX XT
    2010Arctic Cat700 4X4 TRV
    2013–2014Arctic Cat700 4X4 TRV LTD
    2013–2014Arctic Cat700 4X4 TRV XT EPS
    2013–2014Arctic Cat700 4X4 XT
    2016–2017Arctic CatAlterra 400
    2017–2018Arctic CatAlterra 500
    2016Arctic CatAlterra 550 XT EPS
    2019–2020Arctic CatAlterra 570
    2020Arctic CatAlterra 570 EPS
    2016–2019Arctic CatAlterra 700
    2009, 2013–2014Arctic CatProwler 1000 XTZ
    2015Arctic CatProwler 500 HDX
    2010–2014Arctic CatProwler 550 XT
    2006–2009Arctic CatProwler 650 XT
    2012–2013Arctic CatProwler 700 HDX
    2014Arctic CatProwler 700 HDX LTD
    2015–2016Arctic CatProwler 700 HDX XT
    2009, 2015–2016Arctic CatProwler 700 XT
    2009–2010, 2012–2014Arctic CatProwler 700 XTX
    2009Arctic CatProwler 700 XTX LTD
    2013–2014Arctic CatWildcat 1000 EPS
    2013–2014Arctic CatWildcat 1000 LTD EPS
    2013–2014Arctic CatWildcat 4 1000 EPS
    2014Arctic CatWildcat 4 1000 LTD EPS
    2014Arctic CatWildcat 4X 1000 EPS
    2013–2014Arctic CatWildcat X 1000 EPS

    Source: WPS vehicle-fitment data · WPS part 56-0621 · Checked November 11, 2026.

    Additional information

    Weight 0.57 lbs
    Dimensions 2.75 × 2.75 × 4 in

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    Parts & supplies

    • Engine oil

      Check your owner’s manual for oil grade and capacity.