Buy Now - Pay Later with Affirm
Learn More
\
  See more parts for your Arctic Cat 350

K&N Oil Filter Arctic Cat -L --Cyl

$15.29

K&N

Model #KN-621

In Stock

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.

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.

Features

  • Anti Drain Back Valve: Yes
  • Bypass Valve: Yes
  • Filter Material: High Flow Premium Media
  • Gasket Material: Nitrile Rubber
  • Height: 3.781 in (96 mm)
  • Outside Diameter: 2.594 in (66 mm)
  • Package Material: Paperboard
  • Package Type: Box
  • Product Style: Oil Filters
  • Prop 65 Yes/No: No
  • PSI Relief Valve: Yes
  • Removal Nut: Yes
  • Removal Nut Size: 17 mm
  • Style: Canister
  • Thread Specification: M20 X 1
  • Title: K&N KN-621 Oil Filter
  • Warranty: 1 Year Limited
  • Weight: 0.6 lb (0.3 kg)

Notes:

Canister

Proposition 65

/!\ warningWARNING: Cancer and Reproductive Harm

https://www.P65Warnings.ca.gov

Vehicle Engine Notes
2010-2011
Arctic Cat 1000 EFI H2 4x4 Auto TRV

- Cylinder - Liter
  • Canister
2009-2011
Arctic Cat 1000 TRV Cruiser

- Cylinder - Liter
  • Canister
2013-2017
Arctic Cat 1000 XT

- Cylinder - Liter
  • Canister
2012
Arctic Cat 1000i GT

- Cylinder - Liter
  • Canister
2011-2012
Arctic Cat 350

- Cylinder - Liter
  • Canister
2008-2009
Arctic Cat 366 4x4 Auto

- Cylinder - Liter
  • Canister
2010-2011
Arctic Cat 366 4x4 Auto SE

- Cylinder - Liter
  • Canister
2015
Arctic Cat 400

- Cylinder - Liter
  • Canister
2011
Arctic Cat 425

- Cylinder - Liter
  • Canister
2012
Arctic Cat 425i

- Cylinder - Liter
  • Canister
2012
Arctic Cat 425i SE

- Cylinder - Liter
  • Canister
2011, 2015
Arctic Cat 450

- Cylinder - Liter
  • Canister
2013
Arctic Cat 450 Core

- Cylinder - Liter
  • Canister
2010
Arctic Cat 450 EFI H1 4x4 Auto

- Cylinder - Liter
  • Canister
2011
Arctic Cat 450 LTD

- Cylinder - Liter
  • Canister
2011
Arctic Cat 450 TRV

- Cylinder - Liter
  • Canister
2012
Arctic Cat 450i

- Cylinder - Liter
  • Canister
2014-2016
Arctic Cat 500

- Cylinder - Liter
  • Canister
2009
Arctic Cat 500 4x4

- Cylinder - Liter
  • Canister
2008-2009
Arctic Cat 500 4x4 Auto

- Cylinder - Liter
  • Canister
2008
Arctic Cat 500 4x4 Auto M4

- Cylinder - Liter
  • Canister
2008
Arctic Cat 500 4x4 Auto TRV

- Cylinder - Liter
  • Canister
2013
Arctic Cat 500 Core

- Cylinder - Liter
  • Canister
2013
Arctic Cat 500 XT

- Cylinder - Liter
  • Canister
2012, 2014
Arctic Cat 550

- Cylinder - Liter
  • Canister
2010-2011
Arctic Cat 550 4x4 Auto

- Cylinder - Liter
  • Canister
2010
Arctic Cat 550 4x4 Auto LE

- Cylinder - Liter
  • Canister
2009-2011
Arctic Cat 550 4x4 Auto TRV

- Cylinder - Liter
  • Canister
2009
Arctic Cat 550 4x4 Auto TRV LE

- Cylinder - Liter
  • Canister
2013
Arctic Cat 550 Core

- Cylinder - Liter
  • Canister
2009
Arctic Cat 550 H1 EFI

- Cylinder - Liter
  • Canister
2011, 2014
Arctic Cat 550 LTD

- Cylinder - Liter
  • Canister
2011
Arctic Cat 550 S

- Cylinder - Liter
  • Canister
2011
Arctic Cat 550 TRV Cruiser

- Cylinder - Liter
  • Canister
2011
Arctic Cat 550 TRV GT

- Cylinder - Liter
  • Canister
2010
Arctic Cat 550 TRV S GT

- Cylinder - Liter
  • Canister
2013-2014
Arctic Cat 550 XT

- Cylinder - Liter
  • Canister
2012
Arctic Cat 550i GT

- Cylinder - Liter
  • Canister
2012-2013
Arctic Cat 550i LTD

- Cylinder - Liter
  • Canister
2006-2008, 2010-2011
Arctic Cat 650 H1 4x4 Auto

- Cylinder - Liter
  • Canister
2007
Arctic Cat 650 H1 4x4 Auto LE

- Cylinder - Liter
  • Canister
2006
Arctic Cat 650 H1 4x4 Auto SE

- Cylinder - Liter
  • Canister
2007
Arctic Cat 650 H1 4x4 Auto TBX

- Cylinder - Liter
  • Canister
2008-2009
Arctic Cat 650 H1 4x4 Auto TRV

- Cylinder - Liter
  • Canister
2007
Arctic Cat 650 H1 4x4 Auto TRV Plus

- Cylinder - Liter
  • Canister
2007
Arctic Cat 650 H1 4x4 Auto TRV Plus LE

- Cylinder - Liter
  • Canister
2011, 2014
Arctic Cat 700

- Cylinder - Liter
  • Canister
2013
Arctic Cat 700 Core

- Cylinder - Liter
  • Canister
2007-2008
Arctic Cat 700 EFI 4x4 Auto

- Cylinder - Liter
  • Canister
2007
Arctic Cat 700 EFI 4x4 Auto LE

- Cylinder - Liter
  • Canister
2008
Arctic Cat 700 EFI 4x4 Auto M4

- Cylinder - Liter
  • Canister
2008-2011
Arctic Cat 700 EFI 4x4 Auto TRV Cruiser

- Cylinder - Liter
  • Canister
2008
Arctic Cat 700 EFI 4x4 Auto TRV LE

- Cylinder - Liter
  • Canister
2009-2010
Arctic Cat 700 EFI H1 4x4 Auto

- Cylinder - Liter
  • Canister
2009-2010
Arctic Cat 700 EFI H1 4x4 Auto LE

- Cylinder - Liter
  • Canister
2009-2011
Arctic Cat 700 EFI H1 4x4 Auto Mud Pro

- Cylinder - Liter
  • Canister
2008-2009
Arctic Cat 700 EFI H1 4x4 Auto SE

- Cylinder - Liter
  • Canister
2010
Arctic Cat 700 EFI H1 4x4 Auto TBX

- Cylinder - Liter
  • Canister
2009-2011
Arctic Cat 700 EFI H1 4x4 Auto TRV

- Cylinder - Liter
  • Canister
2011, 2014
Arctic Cat 700 LTD

- Cylinder - Liter
  • Canister
2010-2011
Arctic Cat 700 S

- Cylinder - Liter
  • Canister
2010-2011
Arctic Cat 700 TRV GT

- Cylinder - Liter
  • Canister
2013-2014
Arctic Cat 700 XT

- Cylinder - Liter
  • Canister
2012
Arctic Cat 700i

- Cylinder - Liter
  • Canister
2012
Arctic Cat 700i GT

- Cylinder - Liter
  • Canister
2012-2013
Arctic Cat 700i LTD

- Cylinder - Liter
  • Canister
2016-2017
Arctic Cat Alterra 400

- Cylinder - Liter
  • Canister
2016
Arctic Cat Alterra 450

- Cylinder - Liter
  • Canister
2017
Arctic Cat Alterra 500

- Cylinder - Liter
  • Canister
2016
Arctic Cat Alterra 500 XT

- Cylinder - Liter
  • Canister
2017
Arctic Cat Alterra 700

- Cylinder - Liter
  • Canister
2017
Arctic Cat Alterra 700 XT

- Cylinder - Liter
  • Canister
2017
Arctic Cat Alterra TRV 1000 XT

- Cylinder - Liter
  • Canister
2017
Arctic Cat Alterra TRV 550 XT

- Cylinder - Liter
  • Canister
2017
Arctic Cat Alterra TRV 700 XT

- Cylinder - Liter
  • Canister
2017
Arctic Cat Bearcat 2000 LT ES

- Cylinder - Liter
  • Canister
2017
Arctic Cat Bearcat 2000 XT ES

- Cylinder - Liter
  • Canister
2016-2017
Arctic Cat Bearcat 3000 LT

- Cylinder - Liter
  • Canister
2017
Arctic Cat HDX 500 XT

- Cylinder - Liter
  • Canister
2017
Arctic Cat HDX 700 CREW XT

- Cylinder - Liter
  • Canister
2017
Arctic Cat HDX 700 XT

- Cylinder - Liter
  • Canister
2017
Arctic Cat Lynx 2000 ES

- Cylinder - Liter
  • Canister
2017
Arctic Cat Lynx 2000 LT ES

- Cylinder - Liter
  • Canister
2017
Arctic Cat M 6000 SE ES 141

- Cylinder - Liter
  • Canister
2017
Arctic Cat M 6000 SE ES 153

- Cylinder - Liter
  • Canister
2017
Arctic Cat M 6000 Sno Pro 153

- Cylinder - Liter
  • Canister
2017
Arctic Cat M 6000 Sno Pro ES 153

- Cylinder - Liter
  • Canister
2017
Arctic Cat M 8000 HCR 153

- Cylinder - Liter
  • Canister
2017
Arctic Cat M 8000 Limited 153

- Cylinder - Liter
  • Canister
2017
Arctic Cat M 8000 Limited 162

- Cylinder - Liter
  • Canister
2017
Arctic Cat M 8000 Limited ES 153

- Cylinder - Liter
  • Canister
2017
Arctic Cat M 8000 Limited ES 162

- Cylinder - Liter
  • Canister
2017
Arctic Cat M 8000 Mountain Cat 153

- Cylinder - Liter
  • Canister
2017
Arctic Cat M 8000 Mountain Cat 162

- Cylinder - Liter
  • Canister
2017
Arctic Cat M 8000 Mountain Cat ES 153

- Cylinder - Liter
  • Canister
2017
Arctic Cat M 8000 Mountain Cat ES 162

- Cylinder - Liter
  • Canister
2017
Arctic Cat M 8000 SE ES 153

- Cylinder - Liter
  • Canister
2017
Arctic Cat M 8000 SE ES 162

- Cylinder - Liter
  • Canister
2017
Arctic Cat M 8000 Sno Pro 153

- Cylinder - Liter
  • Canister
2017
Arctic Cat M 8000 Sno Pro 162

- Cylinder - Liter
  • Canister
2017
Arctic Cat M 8000 Sno Pro ES 141

- Cylinder - Liter
  • Canister
2017
Arctic Cat M 8000 Sno Pro ES 153

- Cylinder - Liter
  • Canister
2017
Arctic Cat M 8000 Sno Pro ES 162

- Cylinder - Liter
  • Canister
2012-2015, 2017
Arctic Cat MudPro 1000 LTD

- Cylinder - Liter
  • Canister
2016
Arctic Cat MudPro 1000 SE

- Cylinder - Liter
  • Canister
2011
Arctic Cat MudPro 700

- Cylinder - Liter
  • Canister
2012-2017
Arctic Cat MudPro 700 LTD

- Cylinder - Liter
  • Canister
2012
Arctic Cat MudPro 700i

- Cylinder - Liter
  • Canister
2016-2017
Arctic Cat Pantera 3000

- Cylinder - Liter
  • Canister
2017
Arctic Cat Prowler 500

- Cylinder - Liter
  • Canister
2009
Arctic Cat Prowler 550

- Cylinder - Liter
  • Canister
2008
Arctic Cat Prowler 650 4x4 Auto

- Cylinder - Liter
  • Canister
2007
Arctic Cat Prowler 650 H1

- Cylinder - Liter
  • Canister
2015
Arctic Cat Prowler HDX 500

- Cylinder - Liter
  • Canister
2011
Arctic Cat Prowler HDX 700

- Cylinder - Liter
  • Canister
2014
Arctic Cat Prowler HDX 700 Limited

- Cylinder - Liter
  • Canister
2015
Arctic Cat Prowler HDX 700 XT

- Cylinder - Liter
  • Canister
2012-2013
Arctic Cat Prowler HDX 700i

- Cylinder - Liter
  • Canister
2017
Arctic Cat Prowler XT 1000

- Cylinder - Liter
  • Canister
2010-2011
Arctic Cat Prowler XT 550

- Cylinder - Liter
  • Canister
2012-2013
Arctic Cat Prowler XT 550i

- Cylinder - Liter
  • Canister
2008
Arctic Cat Prowler XT 650 4x4 Auto

- Cylinder - Liter
  • Canister
2008
Arctic Cat Prowler XT 650 4x4 Auto M4

- Cylinder - Liter
  • Canister
2006-2007, 2009
Arctic Cat Prowler XT 650 H1

- Cylinder - Liter
  • Canister
2009, 2015-2017
Arctic Cat Prowler XT 700

- Cylinder - Liter
  • Canister
2010-2011, 2014
Arctic Cat Prowler XTX 700

- Cylinder - Liter
  • Canister
2009-2011
Arctic Cat Prowler XTX 700 H1 EFI

- Cylinder - Liter
  • Canister
2009
Arctic Cat Prowler XTX 700 LE

- Cylinder - Liter
  • Canister
2012-2013
Arctic Cat Prowler XTX 700i

- Cylinder - Liter
  • Canister
2010-2011
Arctic Cat Prowler XTZ 1000

- Cylinder - Liter
  • Canister
2009
Arctic Cat Prowler XTZ 1000 Baja

- Cylinder - Liter
  • Canister
2009-2011
Arctic Cat Prowler XTZ 1000 H2 EFI

- Cylinder - Liter
  • Canister
2012-2013
Arctic Cat Prowler XTZ 1000i

- Cylinder - Liter
  • Canister
2015, 2017
Arctic Cat TBX 700

- Cylinder - Liter
  • Canister
2008-2010
Arctic Cat Thundercat 1000 4x4 Auto

- Cylinder - Liter
  • Canister
2010
Arctic Cat Thundercat 1000 4x4 Auto LE

- Cylinder - Liter
  • Canister
2013-2015
Arctic Cat TRV 1000 LTD

- Cylinder - Liter
  • Canister
2015
Arctic Cat TRV 1000 XT

- Cylinder - Liter
  • Canister
2012
Arctic Cat TRV 1000i Cruiser

- Cylinder - Liter
  • Canister
2012
Arctic Cat TRV 1000i GT

- Cylinder - Liter
  • Canister
2013
Arctic Cat TRV 400 Core

- Cylinder - Liter
  • Canister
2012
Arctic Cat TRV 450i

- Cylinder - Liter
  • Canister
2014-2015
Arctic Cat TRV 500

- Cylinder - Liter
  • Canister
2013
Arctic Cat TRV 500 Core

- Cylinder - Liter
  • Canister
2013-2015
Arctic Cat TRV 550 LTD

- Cylinder - Liter
  • Canister
2013-2015
Arctic Cat TRV 550 XT

- Cylinder - Liter
  • Canister
2012
Arctic Cat TRV 550i Crusier

- Cylinder - Liter
  • Canister
2012
Arctic Cat TRV 550i GT

- Cylinder - Liter
  • Canister
2013-2015
Arctic Cat TRV 700 LTD

- Cylinder - Liter
  • Canister
2012
Arctic Cat TRV 700i Cruiser

- Cylinder - Liter
  • Canister
2012
Arctic Cat TRV 700i GT

- Cylinder - Liter
  • Canister
2013-2015
Arctic Cat Wildcat 1000

- Cylinder - Liter
  • Canister
2013-2014
Arctic Cat Wildcat 1000 LTD

- Cylinder - Liter
  • Canister
2013-2014
Arctic Cat Wildcat 4 1000

- Cylinder - Liter
  • Canister
2014
Arctic Cat Wildcat 4 Limited

- Cylinder - Liter
  • Canister
2014-2017
Arctic Cat Wildcat 4X

- Cylinder - Liter
  • Canister
2014-2015
Arctic Cat Wildcat 4X Limited

- Cylinder - Liter
  • Canister
2015-2016
Arctic Cat Wildcat Sport

- Cylinder - Liter
  • Canister
2015-2017
Arctic Cat Wildcat Sport Limited

- Cylinder - Liter
  • Canister
2015-2017
Arctic Cat Wildcat Sport XT

- Cylinder - Liter
  • Canister
2015-2017
Arctic Cat Wildcat Trail

- Cylinder - Liter
  • Canister
2015-2017
Arctic Cat Wildcat Trail Limited

- Cylinder - Liter
  • Canister
2016-2017
Arctic Cat Wildcat Trail SE

- Cylinder - Liter
  • Canister
2015-2017
Arctic Cat Wildcat Trail XT

- Cylinder - Liter
  • Canister
2016-2017
Arctic Cat Wildcat X

- Cylinder - Liter
  • Canister
2013-2015
Arctic Cat Wildcat X 1000

- Cylinder - Liter
  • Canister
2014-2017
Arctic Cat Wildcat X Limited

- Cylinder - Liter
  • Canister
2016
Arctic Cat Wildcat X SE

- Cylinder - Liter
  • Canister
2015-2016
Arctic Cat XC 450

- Cylinder - Liter
  • Canister
2011-2014
Arctic Cat XC 450i

- Cylinder - Liter
  • Canister
2015
Arctic Cat XR 500

- Cylinder - Liter
  • Canister
2015
Arctic Cat XR 550

- Cylinder - Liter
  • Canister
2015
Arctic Cat XR 550 LTD

- Cylinder - Liter
  • Canister
2015
Arctic Cat XR 550 XT

- Cylinder - Liter
  • Canister
2015
Arctic Cat XR 700

- Cylinder - Liter
  • Canister
2015
Arctic Cat XR 700 LTD

- Cylinder - Liter
  • Canister
2015
Arctic Cat XR 700 XT

- Cylinder - Liter
  • Canister
2017
Arctic Cat ZR 3000 LXR

- Cylinder - Liter
  • Canister
K&N 10-YEAR/ MILLION MILE LIMITED WARRANTY
This warranty covers defects in materials and workmanship of your K&N OE Replacement Air Filter and Intake System (the "Product"), with the exceptions stated below.
This warranty does not cover damage due to (a) transportation, (b) storage, (c) improper use, (d) failure to follow the Product instructions or to perform any preventive maintenance, (e) modifications, (f) unauthorized repair, (g) normal wear and tear, (h) any type of racing or competition, (i) any off-road use, or (j) external causes such as accidents, abuse, or other actions or events beyond our reasonable control (e.g., acts of God and natural disasters).
This warranty lasts for 10-Years or a Million Miles, whichever comes first, from the date the product was purchased. The warranty period will not be extended if we repair or replace the Product.
We will repair any Product that proves to be defective in materials or workmanship. If repair is not possible, we will either replace your Product with a new Product of similar composition and price, or refund the full purchase price of your Product, at our sole discretion. There is no charge for inspection.

K&N 3-YEAR/ 300,000 MILE LIMITED WARRANTY
This warranty covers defects in materials and workmanship of your K&N Commercial Grade Diesel Air Filter (the "Product"), with the exceptions stated below.
This warranty does not cover damage due to (a) transportation, (b) storage, (c) improper use, (d) failure to follow the Product instructions or to perform any preventive maintenance, (e) modifications, (f) unauthorized repair, (g) normal wear and tear, (h) any type of racing or competition, (i) any off-road use, or (j) external causes such as accidents, abuse, or other actions or events beyond our reasonable control (e.g., acts of God and natural disasters).
This warranty lasts for 3-Year or 300,000 miles, whichever comes first, from the date the product was purchased. Coverage applies only to the original purchaser of the Product and is non-transferable. The warranty period will not be extended if we repair or replace the Product.
We will repair any Product that proves to be defective in materials or workmanship. If repair is not possible, we will either replace your Product with a new Product of similar composition and price, or refund the full purchase price of your Product, at our sole discretion. There is no charge for inspection.

K&N ONE YEAR LIMITED WARRANTY
This warranty covers defects in materials and workmanship of your K&N Oil Filter, Automotive Accessory, Universal, Special or Disposable Filter, Exhaust Systems (the "Product"), with the exceptions stated below.
This warranty does not cover damage due to (a) transportation, (b) storage, (c) improper use, (d) failure to follow the Product instructions or to perform any preventive maintenance, (e) modifications, (f) unauthorized repair, (g) normal wear and tear, (h) any type of racing or competition, (i) any off-road use or (j) external causes such as accidents, abuse, or other actions or events beyond our reasonable control (e.g., acts of God and natural disasters).
This warranty lasts for One Year from the date of purchase. Coverage applies only to the original purchaser of the Product and is non-transferable. The warranty period will not be extended if we repair or replace the Product.
We will repair any Product that proves to be defective in materials or workmanship. If repair is not possible, we will either replace your Product with a new Product of similar composition and price, or refund the full purchase price of your Product, at our sole discretion. There is no charge for inspection.

Check out these other great products