KN-303 Image

K&N KN-303 Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5 5.0 out of 5 stars 30 Customer Reviews
Oil Filters > Oil Filter

Your Price: USD $15.99

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K&N powersports oil filters contain a modern synthetic filter media, designed for ultimate flow with less pressure drop, yet engineered for outstanding filtration. K&N powersports 'spin-on' oil filters feature a heavy-duty metal can. Most of these have a 17 mm nut affixed onto the end that allows for easy installation and removal. The 17 mm nut is crossed-drilled so racers can safety wire the filter to their bike.

[More Information on Powersport Canister Oil Filters]
  • O/E replacement oil filters for most cars, trucks, SUV's, motorcycles, & ATV's
  • 17 mm exposed nut designed for easy oil filter removal
  • Heavy duty construction for extreme conditions
  • Resin-impregnated filter media traps 99% of harmful contaminants
  • Anti-drainback valve (where applicable) eliminates dry starts, prevents oil from draining back into crankcase during engine shutdown

Product Specifications

Anti Drain Back ValveYes
Bypass ValveYes
Filter MaterialHigh Flow Premium Media
Gasket MaterialNitrile Rubber
Height3.344 in (85 mm)
Outside Diameter2.688 in (68 mm)
Product Box Height3.88 in (98 mm)
Product Box Length2.81 in (71 mm)
Product Box Width2.81 in (71 mm)
Product StyleOil Filters
PSI Relief ValveYes
Removal NutYes
Removal Nut Size17 mm
Thread SpecificationM20 x 1.5
Weight0.6 lb (0.3 kg)

Product Reviews

  I use K&N oil filters on my motorcycle it's the only oil filter I trust!
Edward Harper Aroura, Colorado
  Great product
Robert Maddox Gorham, Maine
  Hi guys. I don't usually write reviews on products often, but since I got time and buying an oil filter again. So this is the best and easiest filter to install and to replace in future. I only trust this brand on all my 3 bikes. Thanks for the great products.
Jason W. Austin, Texas
  The incorporated nut on this filter makes it easy to remove and install without special tools. I've used OEM filters in the past and they are a pain in the rear to remove and install.
Ed Sheppard El Paso, Texas
  10/10 would buy again
Kyle Kentucky
  Very happy with service with k&n filter everything worked well. Easy, I will use them again on my next orders. Definitely 5 star service.
Pat Springston Gardner, Kansas
  I only use K & N OIL AND AIR FILTERS IN MY CAR & MY MOTORCYCLES because they are the best you can buy. You can wash out the air filter once a 1/4 and use the Recharger kit, I have had the same K&N Air filter since 2006 in my 2053 cc 125 ci Kawasaki high performance cruiser Motorcycle and just use the recharge kit every 90 days .The oil Filter I use for a whole year no matter how much I use the bike. I use a high quality fully synthetic max cycle purple oil. Oil looks new when drained out. I buy 5 filters at a time for my two bikes. The 2006 uses the KN-205 the other 2008 uses the KN-303. Want the best use K&N OIL, AIR, CRANK CASE VENT FILTER, IN LINE FUEL FILTERS.
Rick North Augusta, South Carolina