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Replacement Filters > Replacement Air Filter

 List Price: $67.13
Your Price: $52.99

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YA-4085
 
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K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K&N. See applicable instruction sheet for details. Our stock replacement air filters for street vehicles are covered by our famous K&N Million-Mile Limited Warranty™ and will be THE LAST AIR FILTER YOUR VEHICLE WILL EVER NEED. [More Information on Replacement Air Filters]
  • Designed to boost horsepower and rate of acceleration
  • Can be cleaned and used again
  • High air flow with exceptional filtration
  • Lasts up to 50,000 miles before cleaning is required depending on driving conditions
  • Works with original equipment manufacturer vehicle electronics
  • Emissions legal in all 50 US states
  • Will NOT void vehicle warranty
  • Million Mile Limited Warranty®
Available Information
YA-4085 Cross Reference
YA-4085 Vehicle Applications


Part YA-4085 Product Specifications
Product Style: Round Air Filter
Height: 4.125 in (105 mm)
Inner Wire: No
Inside Diameter: 2.063 in (52 mm)
Outside Diameter: 4 in (102 mm)
Top Style: Open
Top Material/Finish: None
Air Filter Shape: Round
Filter Material: Cotton Gauze
Flanges: None
Package Contents: 1 Air Filter
Package Quantity: 1
Filter Re-Oiling Amount: 0.78 oz (23 ml)
Weight: 0.85 lb (0.39 kg)
Product Box Length: 5.56 in (141 mm)
Product Box Width: 4.56 in (116 mm)
Product Box Height: 9.06 in (230 mm)



Customer Feedback      Be the first to review part YA-4085

I put K&N air filters on everything, a 2007 Hummer, 1999 Chevy P/U, a 1977 Yamaha and a 2004 Polaris ATV and I have used them exclusively since racing motorcycles in the 1970's. They are simply the best that there is. I have started many others on K&N including my oldest grandson. Great product.
Larry Koehn, Georgia
I installed my first K&N filter in 1975 while I was the manager at Small Car Accessories, a high performance VW shop in Sunnyvale CA. At the time I ran these filters on both of my Corvair powered VW's, a '58 Single Cab pickup, which I still drive, and a '71 bug. They worked really well on the street, giving me an extra mile or two per gallon with pretty much 'filter-less' performance, and worked especially well in the shop's sand rail. Other filters would pack it in when running the dunes at Pismo and until the K&N's came along, you carried a couple of extra filters. The K&N's not only kept the sand out, but did well when packed with sand. A quick stop and a quick tap or two and they were ready to go again. Because they flowed air so well and were so easy to clean. We sold a lot of them to our off-roading customers, and they loved them. At the time, RURA racers ran their buggies and Bajas at a track near the old Fremont Drag Strip where they used them for their performance value and reusability. These days I run a K&N filter in my '99 Ranger, where I picked up just over 1 mpg with just the filter change. I still use a K&N in my old Single Cab, which since 1981 has sported a 351 Ford Windsor engine and Ford drive train (over 60,000 miles). My '82 Yamaha 650 Seca still has the K&N air filter I installed at the first filter change over 52,000 miles back. There is also a K&N on my Café style Iron Head Sporty (48,000 miles), my wife's modified 750 Virago (two pod style filters), my '05 Triumph Tiger (added three HP on the dyno) and the '97 GS500 Suzuki I recently saved from the back of a neighbor's yard. I'm taking the time to write this because the K&N filter is a product which is truly as excellent as the manufacture claims. Besides the maximum star rating I also give K&N filter a 'two thumbs up.'
Kim Crumb, Forestville, California
Great product as are most of K&N products. It made my bike run and sound better. The air intake is much more effective now. My '09 Yamaha FZ6 is a missile! Couldn´t be happier with such a great quality product! Thanks for taking such good care of your customers K&N!
Vinicius Segantini, Natal, Brazil