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E-0850
$39.99 USD
MSRP $62.99 36.5% Off
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K&N E-0850 Air Filter

Replacement Filters > Replacement Air Filter
  • 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®
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 the majority of vehicles 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 K&N Replacement Air Filters]

Product Specifications

Air Filter ShapeRound
Filter MaterialCotton Gauze
Filter Re-Oiling Amount0.86 oz (25 ml)
FlangesNone
Height4.938 in (125 mm)
Inner WireNo
Inside Diameter3.75 in (95 mm)
Outside Diameter5 in (127 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height7.25 in (184 mm)
Product Box Length6.5 in (165 mm)
Product Box Width6.5 in (165 mm)
Product StyleRound Air Filter
Top Material/FinishNone
Top StyleOpen
Weight0.9 lb (0.4 kg)

Customer Feedback

Be the first to review part E-0850
Sorry for the question mark. I believe that's the part number for the oil filter I recently purchased for my motorcycle. I also run a K&N air filter in my 05 Pontiac Grand Am GT with the 3.4 liter V6. I could immediately tell in an approximate 15 hp gain and much better fuel mileage. That's per reading reviews about the filter. I do know for a fact it accelerates much quicker. No doubt. Love your product line and the first rate shipping. I'm a life long customer. Would love to see you folks create your own brand of synthetic motor oil. Hint Hint Sincerely Steve Jump

Steve Jump
Macon, Georgia
Great products folks. The best. My Kawi Vulcan 750 breathes a whole lot better and I can tell a big difference in horsepower and fuel mileage. I put one of your filters in my '05 Pontiac Grand Am Gt and fuel mileage is better and it turned that Ram Air V-6 into a 3.4 liter fire breather. God I love your products. I also purchased the recharger kit. Trust me, you've got a life time customer in me. As far as I'm concerned other filters just DO NOT EXIST. Thanks again to all of you at K&N. God bless you all.

Steve Jump
Macon, Georgia
Quality product, easy to install but... didn't do anything to change the performance or economy of my 2011 Ford Escape.  The vehicle always ran well and gets great gas mileage but I thought that since your filter worked so well in my Triumph America and '98 Buick Regal GS, I'd give it a try in the Ford.  No change, but at least now it's set for 50K miles.

Robert Matetich
Federal Way, Washington