By Vehicle
By Vin
Photo uploaded
By Dimension

33-2443 K&N Replacement Air Filter

90% of 100
In stock / Free Shipping
Locate a Dealer
Replacement Air Filter
K&N® washable, reusable High-Flow Air Filters™ feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N’s 10-Year/Million Mile Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N’s most popular product!
  • Designed to increase horsepower
  • Washable, reusable, and engineered to last for the life of your vehicle
  • Designed to provide high airflow and exceptional filtration
  • Engineered to fit easily into your factory air box
  • 10-Year/Million Mile Limited Warranty
  • Only needs cleaning every 50,000 miles under normal highway driving conditions
  • Emissions legal in all 50 States
  • Will not void vehicle warranty
Air Filter ShapePanel
Filter MaterialCotton Gauze
Height1.125 in (29 mm)
Outside Length9.625 in (244 mm)
Outside Width8.75 in (222 mm)
Package Contents1 Air Filter
Package Quantity1
Warranty1,000,000 Miles/10 Year
Product StylePanel Air Filter
Weight1.2 lb (0.6 kg)
Filter Re-Oiling Amount1.2 oz (36 ml)
Product Box Height11.56 in (294 mm)
Product Box Length10.44 in (265 mm)
Product Box Width1.75 in (44 mm)
Cross References
AC Delco A3621C
AMC TA1680
Autopart International 5000287307
Baldwin PA4449
Beck/Arnley 0421807
BMC FB86320
Carquest 83430
Carquest DW83430
Carquest R83430
Champ Labs. AF5190
Donaldson P903677
DuraMAX DA5190
Eco Gard XA6116
Fiat 6000608368
Fiat A04861756AA
Fram CA10755
Hastings AF1475
Hengst E1334L
Herth Buss J1325058
Jason JA134U5
Lexus 178010P050
Lexus 178010P051
Lexus 1780131130
Lexus 1780131131
Lexus 1780131140
Luber-Finer AF5190
Mahle LX3230
MicroGard MGA49310
MicroGard MGA49430
Mitsubishi 1500A608
Mobil MA5190
Nipparts N1325065
Premium Guard PA6116
Pronto PA6116
Purepro A6116
Purolator A36116
Ryco A1512
Ryco A1838
Ryco A1975
Service Champ AF6116
Service Pro MA6116
Simota OM010
Stellox 7101913SX
STP SA10957
Toyota 178010P051
Toyota 1780125020
Toyota 17801F0050
Valvoline VA273
Wesfil WA1181
Wesfil WA5211
Wesfil WA5218
WIX 49310
WIX 49430
DIY Level

Advanced Moderate Easy

Tools Typically Needed


Installation Time

5-10 Minutes


Installation PDF

Air Filter Test Data

We found other products you might like!

K&N Products

Unmatched Performance

50 years of improving vehicle performance.


Cold Air Intakes

Custom-engineered tubes deliver better airflow than you get with a stock intake. More air means better performance.

air filters

Air Filters

Using cotton gauze instead of typical folded paper, our filters increase airflow while providing excellent engine protection.

cabin air filter

Cabin Air Filters

Helps capture most mold, mildew, fungus, spores, bacteria, germs, pollen and allergens, and helps to rid the air of unpleasant odors.

oil filters

Oil Filters

K&N oil filters use a high flow filter media that allows for high flow rates while providing outstanding engine protection.


Speed Shop

From custom air filters to fuel pumps and carb accessories, the K&N Speed Shop has been assembled to help your vehicle run at peak performance.


Home Air Filters

New washable and reusable air conditioning and furnace filters for your home. From the industry leader in washable automotive filtration.





diesel filter






K&N is the home of the original red oiled air filter. In the early 1960s, two motorcycle racers, Ken Johnson and Norm McDonald (K&N), developed a ground-breaking new idea for an oiled air filter. Five decades later, K&N® is still innovating industry-leading filtration technology, and offers outstanding protection for everything from top-fuel dragsters to commuter vehicles across the globe. Thank you for helping us reach 50 years in business!

Write Your Own Review
Leave a review for:33-2443 K&N Replacement Air Filter
Your Rating


We have detected that you are using an outdated browser that will not allow you to access certain features of our website. We strongly recommend installing an updated browser, such as Google Chrome, for an improved browsing experience.

Chat Now Chat Now