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K&N 85-2445 5.0 out of 5 stars 5 Customer Reviews
Performance Products > Filter Minder, Push in

List Price: $49.32
Your Price: $33.99 USD

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The Filter Minder® is an air filter service indicator that monitors air filter restriction and indicates when the air filter should be serviced. As the air filter gets dirty, the yellow position indicator moves in the clear window of the service indicator and locks at the highest point. It can be read even after the engine is turned off. The air filter should not be cleaned until the yellow position indicator reaches the red zone.

  • Monitors your K&N filter for air flow
  • Indicates when the filter should be cleaned
  • Easy to read, even after engine is off
  • Available with 1/8 In. thread or grommet mount

Product Specifications

Length3.344 in (85 mm)
Material UsedPolycarbonate
Product Box Height1.5 in (38 mm)
Product Box Length12 in (305 mm)
Product Box Width9.06 in (230 mm)
Product StyleAccessories
Weight0.2 lb (0.1 kg)
Width1.969 in (50 mm)

Product Reviews

  Better than guessing if your filter needs cleaning or replacing.
Jason Hawaii
  Added one of these to my factory air box on my 2014 Mazda 3. No guessing on when to replace or clean my air filter. I like that K&N's version of the filter minder shows red at 10 h2O vs 15 or, 25. I did find it hard to find a 11/16 dril bit though. Lukly I remembered I had a Uni-Bit in my tool box.
Jason Hawaii
  Easy to install and read the indicator.
Victor Bakersfield, California
  I put this on my stock OEM housing with my K&N Air flter replacement for OEM Filter. Works great!!!I Improvised and just drilled a hole on my Stock OEM Filter Housing and adapted this. Used a similar set up years ago in trash trucks in Dad's Trash Buisness on Mack,Diamond Reo,GMC Generals,and Autocar Heavy Duty trucks!!!
Robert Goudin Eustis , Florida
  Works as designed, fell off filter for unknown reason, just needed a replacement.
Grant Gossett Michigan