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 33-2337 Product Specifications
Product Style: Panel Air Filter
Height: 1 in (25 mm)
Outside Length: 11.688 in (297 mm)
Outside Width: 9.188 in (233 mm)
Filter Material: Cotton Gauze
Filter Re-Oiling Amount: 1.56 oz (46 ml)

Filter Cross Reference
Mann-Hummel C30170
Mann-Hummel C30171
Opel 835036
Renault 8200728213
Saab 12786800
Saab 12805268
Saab 93185452

2011 SAAB 9-3 2.0L L4 F/I - All
2011 SAAB 9-3 1.9L L4 DSL - All
2011 SAAB 9-3 1.8L L4 F/I - All
2010 SAAB 9-3X 2.0L L4 F/I - All
2010 SAAB 9-3 2.0L L4 F/I - All
2010 SAAB 9-3 1.9L L4 DSL - All
2010 SAAB 9-3 1.8L L4 F/I - All
2009 VAUXHALL SIGNUM 2.8L V6 F/I - All
2009 SAAB 9-3 2.8L V6 F/I - All
2009 SAAB 9-3 2.0L L4 F/I - All
2009 SAAB 9-3 1.9L L4 DSL - All
2009 SAAB 9-3 1.8L L4 F/I - All
2009 OPEL SIGNUM 2.8L V6 F/I - All
2008 VAUXHALL VECTRA MK2 2.8L V6 F/I - All
2008 VAUXHALL SIGNUM 2.8L V6 F/I - All
2008 SAAB 9-3 2.8L V6 F/I - All
2008 SAAB 9-3 2.0L L4 F/I - All
2008 SAAB 9-3 1.9L L4 DSL - All
2008 SAAB 9-3 1.8L L4 F/I - All
2008 RENAULT ESPACE IV 2.0L L4 DSL - All
2008 OPEL VECTRA C 2.8L V6 F/I - All
2008 OPEL SIGNUM 2.8L V6 F/I - All
2007 VAUXHALL VECTRA MK2 2.8L V6 F/I - All
2007 VAUXHALL SIGNUM 2.8L V6 F/I - All
2007 SAAB 9-3 2.8L V6 F/I - All
2007 SAAB 9-3 2.0L L4 F/I - All
2007 SAAB 9-3 1.9L L4 DSL - All
2007 SAAB 9-3 1.8L L4 F/I - All
2007 OPEL VECTRA C 2.8L V6 F/I - All
2007 OPEL SIGNUM 2.8L V6 F/I - All
2006 VAUXHALL VECTRA MK2 2.8L V6 F/I - All
2006 VAUXHALL SIGNUM 2.8L V6 F/I - All
2006 SAAB 9-3 2.8L V6 F/I - All
2006 SAAB 9-3 2.0L L4 F/I - All
2006 SAAB 9-3 1.9L L4 DSL - All
2006 SAAB 9-3 1.8L L4 F/I - All
2006 OPEL VECTRA C 2.8L V6 F/I - All
2006 OPEL SIGNUM 2.8L V6 F/I - All
2005 VAUXHALL VECTRA MK2 2.8L V6 F/I - All
2005 VAUXHALL SIGNUM 2.8L V6 F/I - All
2005 SAAB 9-3 2.8L V6 F/I - All
2005 SAAB 9-3 2.0L L4 F/I - All
2005 SAAB 9-3 1.9L L4 DSL - All
2005 SAAB 9-3 1.8L L4 F/I - All
2005 OPEL VECTRA C 2.8L V6 F/I - All
2005 OPEL SIGNUM 2.8L V6 F/I - All
2004 SAAB 9-32.2L L4 DSL - All
2004 SAAB 9-3 2.0L L4 F/I - All
2004 SAAB 9-3 1.9L L4 DSL - All
2004 SAAB 9-3 1.8L L4 F/I - All
2003 SAAB 9-3 2.2L L4 DSL - All
2003 SAAB 9-3 2.0L L4 F/I - US, Sedan
2003 SAAB 9-3 2.0L L4 F/I - Non-US
2003 SAAB 9-3 1.8L L4 F/I - All
2002 SAAB 9-3 2.2L L4 DSL - YS3F
2002 SAAB 9-3 2.0L L4 F/I - Non-US, from 8/02
2002 SAAB 9-3 1.8L L4 F/I - All