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K&N 99-0621 4.9 out of 5 stars 16 Customer Reviews
Filter Cleaning Kits and Accessories > Power Kleen; Filter Cleaner - 32 oz Trigger Sprayer

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K&N part 99-0621 is a 32 ounce pump spray bottle of Power Kleen Air Filter Cleaner. K&N Power Kleen is the only cleaner recommended to clean K&N cotton air filter elements. K&N 99-0621 Air Filter Cleaner will loosen and remove built up dirt and grime from your K&N oiled cotton air filter so it can be washed clean with water. It is so good at cleaning greasy dirt and grime that it is also used as an industrial strength degreaser. After your K&N air filter dries re-oil it with K&N air filter oil (sold separately).

[More Info on Air Filter Cleaning Kits]
  • High performance cleaner and degreaser
  • The only cleaner designed specifically for K&N cotton filters
  • Pump spray bottle
  • Also removes grease from painted surfaces, chrome, plastic and more
Available Information
News Story - Air Filter Cleaner and Oil for K&N Performance Air Filters
News Story - K&N Air Filter Cleaning Provides the Biggest Returns for My Maintenance Efforts
Material Safety Data Sheet - Espanol
Material Safety Data Sheet - Francais
Material Safety Data Sheet

Part 99-0621 Product Specifications
Product Style: Accessories
Weight: 2.4 lb (1.1 kg)
Product Box Length: 3.25 in (83 mm)
Product Box Width: 3.25 in (83 mm)
Product Box Height: 11.75 in (298 mm)


Product Reviews    See all reviews!  Review part 99-0621

 I have yet to use this, but I'm sure it is the same as what I ordered before.It does what its supposed to.
Jason, Virginia
 Does a fantastic quick job cleaning my K&N lifetime air filter. Buying the filter was one of the best purchases I've made. The cleaner appears to get everything clean after one dosing.
Bruce Armbruster, Texas
 This is a great product and was shipped to me very quickly. I have two vehicles with K&N filters.
Paul Wadley, Anaheim Hills, California