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33-2037
$40.99 USD
MSRP $64.49 36.4% Off
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K&N 33-2037 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 ShapePanel
Filter MaterialCotton Gauze
Filter Re-Oiling Amount0.79 oz (23 ml)
Height0.875 in (22 mm)
Inner WireNo
Outside Length8.5 in (216 mm)
Outside Width5.875 in (149 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height9.69 in (246 mm)
Product Box Length7.72 in (196 mm)
Product Box Width1.75 in (44 mm)
Product StylePanel Air Filter
Top StyleOpen
Weight0.9 lb (0.4 kg)

Customer Feedback

I am averaging more then 5 miles per gallon more on my 2014 chevrolet silverado 5.3 liter. My wife thought I was crazy, until she drove it and saw the savings herself. I will never use another filter again. K & N air filter is the best.

Richard Bowling
Florida
Works great for our 2000 Chevrolet Z-71 4×4 and is easy to change out when it's time to do another oil change because of the nut on the bottom. Can't get an oil filter wrench or pliers on your oil filter? Then get this K&N Filter to make oil changes a breeze and with the trusted name of K&N, you really can't go wrong.

Donald Booth
Nevada
I've used this part on five(5) street rod engines. 1st one installed around 1995 ,and is still in use (after many cleanings)). The engines in question, mildly modified 283 Chevrolet with Q jet carburetors. Definitely a superior product.

Mark Norman
Lakeland, Florida