33-2478 K&N Replacement Air Filter

In stock
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 No-Hassle Lifetime 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
  • No-Hassle Lifetime 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
Height1 in (25 mm)
Package Contents1 Air Filter
Package Quantity1
Air Filter MaterialCotton Gauze
Product StyleUnique Air Filters
Outside Length11.438 in (291 mm)
Outside Width11.375 in (289 mm)
Weight1.6 lb (0.7 kg)
Filter Re-Oiling Amount1.3 oz (39 ml)
Product Box Height14 in (356 mm)
Product Box Length12.25 in (311 mm)
Product Box Width1.75 in (44 mm)
Warranty1,000,000 Miles/10 Year
Cross References
AC Delco A3675C
Autopart International 5000479176
Baldwin PA10023
Beck/Arnley 0421843
Carquest 83073
Champ Labs. AF5220
DuraMAX DA5220
Eco Gard XA10003
Fram CA11450
Hastings AF1559
Jason JA599P5
Luber-Finer AF5220
Mahle LX3498
MicroGard MGA49073
Mobil AF5220
Nissan 165463TA0A
Premium Guard PA6297
Premium Guard PA9915
Pronto PA6297
Pronto PA9915
Purepro A6297
Purolator A46297
Ryco A1877
Service Champ AF6297
Service Pro MA10003
STP SA11450
Valvoline VA312
Warner WAF5220
Wesfil WA5330
WIX 49073
DIY Level

Easy Moderate Advanced

Tools Typically Needed


Installation Time

5-10 Minutes

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