Description
K&N oil filter. Manufacturer part number KN-621.
WPS part number 56-0621.
K&N oil filter. Manufacturer part number KN-621.
WPS part number 56-0621.
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.
| Years | Make | Model |
|---|---|---|
| 2012–2015 | Arctic Cat | 1000 Mud Pro LTD |
| 2009–2010 | Arctic Cat | 1000 TRV Cruiser |
| 2013–2015 | Arctic Cat | 1000 TRV LTD EPS |
| 2015 | Arctic Cat | 1000 TRV XT |
| 2009 | Arctic Cat | 1000 Thundercat |
| 2010 | Arctic Cat | 1000 Thundercat LTD |
| 2013–2014 | Arctic Cat | 1000 XT EPS |
| 2008–2009 | Arctic Cat | 366 4X4 Auto |
| 2011 | Arctic Cat | 366 4X4 Auto SE |
| 2015 | Arctic Cat | 400 4X4 |
| 2009–2010 | Arctic Cat | 400 4X4 TRV |
| 2009 | Arctic Cat | 500 4X4 |
| 2009 | Arctic Cat | 500 4X4 Auto |
| 2008 | Arctic Cat | 500 4X4 Auto TRV |
| 2015 | Arctic Cat | 500 4X4 TRV |
| 2013–2014 | Arctic Cat | 550 4X4 |
| 2012–2014 | Arctic Cat | 550 4X4 LTD |
| 2009–2011 | Arctic Cat | 550 4X4 TRV |
| 2012 | Arctic Cat | 550 4X4 TRV Cruiser EPS |
| 2011 | Arctic Cat | 550 4X4 TRV GT |
| 2009 | Arctic Cat | 550 4X4 TRV LTD |
| 2013–2014 | Arctic Cat | 550 4X4 TRV XT EPS |
| 2013–2014 | Arctic Cat | 550 4X4 XT EPS |
| 2007 | Arctic Cat | 650 4X4 H1 LE |
| 2010 | Arctic Cat | 650 4X4 H1 Mud Pro |
| 2006 | Arctic Cat | 650 4X4 H1 SE |
| 2007 | Arctic Cat | 650 4X4 H1 TBX |
| 2008–2009 | Arctic Cat | 650 4X4 H1 TRV |
| 2007 | Arctic Cat | 650 4X4 H1 TRV LE |
| 2008, 2012–2013 | Arctic Cat | 700 4X4 |
| 2012 | Arctic Cat | 700 4X4 GT |
| 2012–2014 | Arctic Cat | 700 4X4 LTD |
| 2012–2013 | Arctic Cat | 700 4X4 Mud Pro |
| 2012, 2014–2015 | Arctic Cat | 700 4X4 Mud Pro LTD |
| 2015–2016 | Arctic Cat | 700 4X4 TBX |
| 2013–2014 | Arctic Cat | 700 4X4 TBX XT |
| 2010 | Arctic Cat | 700 4X4 TRV |
| 2013–2014 | Arctic Cat | 700 4X4 TRV LTD |
| 2013–2014 | Arctic Cat | 700 4X4 TRV XT EPS |
| 2013–2014 | Arctic Cat | 700 4X4 XT |
| 2016–2017 | Arctic Cat | Alterra 400 |
| 2017–2018 | Arctic Cat | Alterra 500 |
| 2016 | Arctic Cat | Alterra 550 XT EPS |
| 2019–2020 | Arctic Cat | Alterra 570 |
| 2020 | Arctic Cat | Alterra 570 EPS |
| 2016–2019 | Arctic Cat | Alterra 700 |
| 2009, 2013–2014 | Arctic Cat | Prowler 1000 XTZ |
| 2015 | Arctic Cat | Prowler 500 HDX |
| 2010–2014 | Arctic Cat | Prowler 550 XT |
| 2006–2009 | Arctic Cat | Prowler 650 XT |
| 2012–2013 | Arctic Cat | Prowler 700 HDX |
| 2014 | Arctic Cat | Prowler 700 HDX LTD |
| 2015–2016 | Arctic Cat | Prowler 700 HDX XT |
| 2009, 2015–2016 | Arctic Cat | Prowler 700 XT |
| 2009–2010, 2012–2014 | Arctic Cat | Prowler 700 XTX |
| 2009 | Arctic Cat | Prowler 700 XTX LTD |
| 2013–2014 | Arctic Cat | Wildcat 1000 EPS |
| 2013–2014 | Arctic Cat | Wildcat 1000 LTD EPS |
| 2013–2014 | Arctic Cat | Wildcat 4 1000 EPS |
| 2014 | Arctic Cat | Wildcat 4 1000 LTD EPS |
| 2014 | Arctic Cat | Wildcat 4X 1000 EPS |
| 2013–2014 | Arctic Cat | Wildcat X 1000 EPS |
Source: WPS vehicle-fitment data · WPS part 56-0621 · Checked November 11, 2026.
| Weight | 0.57 lbs |
|---|---|
| Dimensions | 2.75 × 2.75 × 4 in |
Check your owner’s manual for oil grade and capacity.



Select your motorcycle to check for matching parts.
Reviews
There are no reviews yet.