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E-9135
$46.99 USD
MSRP $72.89 35.5% Off
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K&N E-9135 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 Amount0.8 oz (24 ml)
FlangesNone
Height2.438 in (62 mm)
Inner WireNo
Inside Diameter7.313 in (186 mm)
Outside Diameter9.188 in (233 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height10.31 in (262 mm)
Product Box Length10.19 in (259 mm)
Product Box Width3.94 in (100 mm)
Product StyleRound Air Filter
Top Material/FinishNone
Top StyleOpen
Weight1.1 lb (0.5 kg)

Customer Feedback

Be the first to review part E-9135
I have always used these filters but recently rebuilt my Ford Capri 3.0 ghia and took the oval filter off to put a paper hotrod style filter on, it looked the part but I wanted a K&N so came to this site (KNFilters.co.uk) and took just 5mins to order an insert and it got there the next day, I wish every part I've ordered online was this quick and easy.

Newt
S. Wales, United Kingdom
Easy step by step installation, amazing timing on the shipping. I have a ford 350 with a 6.0 and any one that has one knows the 7.3s are way better but after I put this on it was an amazing difference in truck all together, worth the money.

Benjamin
Texas
I was very impressed overall with ordering from K&N. My order shipped same day and arrived when it was supposed to. The cold air intake system I ordered for my 2003 Ford Crown Victoria Police Interceptor fit very good and the installation was simple. The instructions provided are excellent with step by step instructions with pictures of a Crown Vic engine bay. The increased performance can be felt along with increased throttle response. The sound of the air intake working under hard acceleration is a bonus You can really hear the air being drawn in and it sounds good

Liberty Smith
Caldwell, Idaho