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KN-303
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K&N KN-303 Oil Filter

Oil Filters > Oil Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   5.0 out of 5 stars   61 Customer Reviews
  • 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-drain back valve (where applicable) eliminates dry starts, prevents oil from draining back into crankcase during engine shutdown
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 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]

Product Specifications

Anti Drain Back ValveYes
Bypass ValveYes
Filter MaterialHigh Flow Premium Media
Gasket MaterialNitrile Rubber
Height3.25 in (83 mm)
Outside Diameter2.594 in (66 mm)
Product Box Height3.38 in (86 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
StyleCanister
Thread SpecificationM20 x 1.5
Weight0.6 lb (0.3 kg)

K&N KN-303 Oil Filter Product Reviews

Monday, March 20, 2017 - Part KN-303
Have used for several years. Great product.

John Sensor
Hendersonville, North Carolina
Monday, March 13, 2017 - Part KN-303
Great experience.

Levent Camlibel
Charlotte, North Carolina
Monday, February 6, 2017 - Part KN-303
Great fitment on my 1991 Honda Nighthawk 750. Came fast too.

Max Crowe
Johnsonburg, Pennsylvania
Thursday, February 2, 2017 - Part KN-303
Good service - Thanks.

Mike Barnard
Southam, United Kingdom
Tuesday, January 3, 2017 - Part KN-303
Great product. Thanks

Noraini Binti Sadri
Petaling Jaya, Malaysia
Monday, January 2, 2017 - Part KN-303
Excellent filter. Hex head on filter face for easy removal, therefore filter grips not required. Well constructed and light, unlike other filters on the market. Also fitted K&N race air filter, fantastic piece. Many thanks.

Dean McClatchey
North Ireland
Wednesday, December 7, 2016 - Part KN-303
Great product. Delivered on time. Easy to install. Highly recommend.

Robert Owen
Lafayette, Colorado