KN33-2278 33-2278 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 virtually every vehicle 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.

Part KN33-2278 Product Specifications

Product Style: Panel Air Filter

Height: 1 in (25 mm)

Outside Length: 12.625 in (321 mm)

Outside Width: 6.875 in (175 mm)

Filter Material: Cotton Gauze

Filter Re-Oiling Amount: 1.17 oz (34 ml)

Filter Cross Reference

Ryco A1429

Mann-Hummel C3233

Mazda RF4F13Z40

Mazda RF4F13Z409A

Mazda RF4R13Z40

Mazda RF4RF13Z40

Mazda RF7F13Z40

Mazda RFZA13Z40A9U

Purolator A35370

WIX 42825

2012 MAZDA 6 2.0L L4 F/I - All

2012 MAZDA 6 1.8L L4 F/I - All

2011 MAZDA 6 2.0L L4 F/I - All

2011 MAZDA 6 1.8L L4 F/I - All

2010 MAZDA 6 2.5L L4 F/I - Non-US

2010 MAZDA 6 2.2L L4 DSL - All

2010 MAZDA 6 2.0L L4 F/I - All

2010 MAZDA 6 2.0L L4 DSL - All

2010 MAZDA 6 1.8L L4 F/I - All

2009 MAZDA 6 2.5L L4 F/I - Non-US

2009 MAZDA 6 2.2L L4 DSL - All

2009 MAZDA 6 2.0L L4 F/I - All

2009 MAZDA 6 2.0L L4 DSL - All

2009 MAZDA 6 1.8L L4 F/I - All

2008 MAZDA 6 2.5L L4 F/I - All

2008 MAZDA 6 2.3L L4 F/I - US

2008 MAZDA 6 2.0L L4 F/I - All

2008 MAZDA 6 2.0L L4 DSL - All

2008 MAZDA 6 1.8L L4 F/I - All

2007 MAZDA 6 2.5L L4F/I - All

2007 MAZDA 6 2.3L L4 F/I - US

2007 MAZDA 6 2.0L L4 F/I - All

2007 MAZDA 6 2.0L L4 DSL - All

2007 MAZDA 6 1.8L L4 F/I - All

2006 MAZDA MPV 3.0L V6 F/I - All

2006 MAZDA 6 2.3L L4 F/I - All

2006 MAZDA 6 2.0L L4 F/I - All

2006 MAZDA 6 2.0L L4 DSL - All

2006 MAZDA 6 1.8L L4 F/I - All

2005 MAZDA MPV 3.0L V6 F/I - All

2005 MAZDA 6 2.3L L4 F/I - All

2005 MAZDA 6 2.0L L4 F/I - All

2005 MAZDA 6 2.0L L4 DSL - All

2005 MAZDA 6 1.8L L4 F/I - All

2004 MAZDA MPV 3.0L V6 F/I - All

2004 MAZDA 6 2.3L L4 F/I - All

2004 MAZDA 6 2.0L L4 F/I - All

2004 MAZDA 6 2.0L L4 DSL - All

2004 MAZDA 6 1.8L L4 F/I - All

2003 MAZDA 6 2.3L L4 F/I - All

2003 MAZDA 6 2.0L L4 F/I - All

2003 MAZDA 6 2.0L L4 DSL - All

2003 MAZDA 6 1.8L L4 F/I - All

2002 MAZDA 6 2.3L L4 F/I - All

2002 MAZDA 6 2.0L L4 F/I - All

2002 MAZDA 6 2.0L L4 DSL - All

2002 MAZDA 6 1.8L L4 F/I - All