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K&N Air Filters for Audi A4

Audi A4 Replacement Air Filters

Buy now from the K&N's Online Store and get a 100% money back guarantee on any Audi A4 air filter!
  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • K&N Million Mile Limited Warranty®
  • Lasts up to 50,000 Miles Before Cleaning is Required (Depending on Driving Conditions)
Buy a K&N air filter. Help your Audi A4 run better.
K&N Automotive Replacement Air Filters
Vehicle DescriptionPart NumberProduct Image 
2016 Audi A4 2.0L L4 F/I - All
Automotive
2016 Audi A4 2.0L Air Filter
33-2945 33-2945 AUDI A4 Air Filter
List Price: £62.99
Your Price: £50.39
2016 Audi A4 Quattro 2.0L L4 F/I - All
Automotive
2016 Audi A4 Quattro 2.0L Air Filter
33-2945 33-2945 AUDI A4 Quattro Air Filter
List Price: £62.99
Your Price: £50.39
2015 Audi A4 1.8L L4 F/I - All
Automotive
2015 Audi A4 1.8L Air Filter
33-2945 33-2945 AUDI A4 Air Filter
List Price: £62.99
Your Price: £50.39
2015 Audi A4 2.0L L4 DSL - Exc. 190BHP
Automotive
2015 Audi A4 2.0L Air Filter
33-2945 33-2945 AUDI A4 Air Filter
List Price: £62.99
Your Price: £50.39
2015 Audi A4 2.0L L4 F/I - All
Automotive
2015 Audi A4 2.0L Air Filter
33-2945 33-2945 AUDI A4 Air Filter
List Price: £62.99
Your Price: £50.39
2015 Audi A4 3.0L V6 DSL - All
Automotive
2015 Audi A4 3.0L Air Filter
E-1987 E-1987 AUDI A4 Air Filter
List Price: £74.99
Your Price: £59.99
2015 Audi A4 3.0L V6 F/I - All
Automotive
2015 Audi A4 3.0L Air Filter
E-1987 E-1987 AUDI A4 Air Filter
List Price: £74.99
Your Price: £59.99
2015 Audi A4 Quattro 2.0L L4 F/I - All
Automotive
2015 Audi A4 Quattro 2.0L Air Filter
33-2945 33-2945 AUDI A4 Quattro Air Filter
List Price: £62.99
Your Price: £50.39
2015 Audi A4 Quattro 3.0L V6 DSL - All
Automotive
2015 Audi A4 Quattro 3.0L Air Filter
E-1987 E-1987 AUDI A4 Quattro Air Filter
List Price: £74.99
Your Price: £59.99
2015 Audi A4 Quattro 3.0L V6 F/I - All
Automotive
2015 Audi A4 Quattro 3.0L Air Filter
E-1987 E-1987 AUDI A4 Quattro Air Filter
List Price: £74.99
Your Price: £59.99
2014 Audi A4 1.8L L4 F/I - All
Automotive
2014 Audi A4 1.8L Air Filter
33-2945 33-2945 AUDI A4 Air Filter
List Price: £62.99
Your Price: £50.39
2014 Audi A4 2.0L L4 DSL - All
Automotive
2014 Audi A4 2.0L Air Filter
33-2945 33-2945 AUDI A4 Air Filter
List Price: £62.99
Your Price: £50.39
2014 Audi A4 2.0L L4 F/I - All
Automotive
2014 Audi A4 2.0L Air Filter
33-2945 33-2945 AUDI A4 Air Filter
List Price: £62.99
Your Price: £50.39
2014 Audi A4 3.0L V6 DSL - All
Automotive
2014 Audi A4 3.0L Air Filter
E-1987 E-1987 AUDI A4 Air Filter
List Price: £74.99
Your Price: £59.99
2014 Audi A4 3.0L V6 F/I - All
Automotive
2014 Audi A4 3.0L Air Filter
E-1987 E-1987 AUDI A4 Air Filter
List Price: £74.99
Your Price: £59.99
2014 Audi A4 allroad 2.0L L4 F/I - All
Automotive
2014 Audi A4 allroad 2.0L Air Filter
33-2945 33-2945 AUDI A4 allroad Air Filter
List Price: £62.99
Your Price: £50.39
2014 Audi A4 Quattro 2.0L L4 F/I - All
Automotive
2014 Audi A4 Quattro 2.0L Air Filter
33-2945 33-2945 AUDI A4 Quattro Air Filter
List Price: £62.99
Your Price: £50.39
2014 Audi A4 Quattro 3.0L V6 DSL - All
Automotive
2014 Audi A4 Quattro 3.0L Air Filter
E-1987 E-1987 AUDI A4 Quattro Air Filter
List Price: £74.99
Your Price: £59.99
2014 Audi A4 Quattro 3.0L V6 F/I - All
Automotive
2014 Audi A4 Quattro 3.0L Air Filter
E-1987 E-1987 AUDI A4 Quattro Air Filter
List Price: £74.99
Your Price: £59.99
2013 Audi A4 1.8L L4 F/I - All
Automotive
2013 Audi A4 1.8L Air Filter
33-2945 33-2945 AUDI A4 Air Filter
List Price: £62.99
Your Price: £50.39
2013 Audi A4 2.0L L4 DSL - All
Automotive
2013 Audi A4 2.0L Air Filter
33-2945 33-2945 AUDI A4 Air Filter
List Price: £62.99
Your Price: £50.39
2013 Audi A4 2.0L L4 F/I - All
Automotive
2013 Audi A4 2.0L Air Filter
33-2945 33-2945 AUDI A4 Air Filter
List Price: £62.99
Your Price: £50.39
2013 Audi A4 3.0L V6 DSL - All
Automotive
2013 Audi A4 3.0L Air Filter
E-1987 E-1987 AUDI A4 Air Filter
List Price: £74.99
Your Price: £59.99
2013 Audi A4 allroad 2.0L L4 F/I - All
Automotive
2013 Audi A4 allroad 2.0L Air Filter
33-2945 33-2945 AUDI A4 allroad Air Filter
List Price: £62.99
Your Price: £50.39
2013 Audi A4 Quattro 2.0L L4 F/I - All
Automotive
2013 Audi A4 Quattro 2.0L Air Filter
33-2945 33-2945 AUDI A4 Quattro Air Filter
List Price: £62.99
Your Price: £50.39
2013 Audi A4 Quattro 3.0L V6 DSL - All
Automotive
2013 Audi A4 Quattro 3.0L Air Filter
E-1987 E-1987 AUDI A4 Quattro Air Filter
List Price: £74.99
Your Price: £59.99
2013 Audi A4 Quattro 3.0L V6 F/I - All
Automotive
2013 Audi A4 Quattro 3.0L Air Filter
E-1987 E-1987 AUDI A4 Quattro Air Filter
List Price: £74.99
Your Price: £59.99
2012 Audi A4 1.8L L4 F/I - All
Automotive
2012 Audi A4 1.8L Air Filter
33-2945 33-2945 AUDI A4 Air Filter
List Price: £62.99
Your Price: £50.39
2012 Audi A4 2.0L L4 DSL - All
Automotive
2012 Audi A4 2.0L Air Filter
33-2945 33-2945 AUDI A4 Air Filter
List Price: £62.99
Your Price: £50.39
2012 Audi A4 2.0L L4 F/I - All
Automotive
2012 Audi A4 2.0L Air Filter
33-2945 33-2945 AUDI A4 Air Filter
List Price: £62.99
Your Price: £50.39
2012 Audi A4 3.0L V6 DSL - All
Automotive
2012 Audi A4 3.0L Air Filter
E-1987 E-1987 AUDI A4 Air Filter
List Price: £74.99
Your Price: £59.99
2012 Audi A4 3.0L V6 F/I - All
Automotive
2012 Audi A4 3.0L Air Filter
E-1987 E-1987 AUDI A4 Air Filter
List Price: £74.99
Your Price: £59.99
2012 Audi A4 Quattro 2.0L L4 F/I - All
Automotive
2012 Audi A4 Quattro 2.0L Air Filter
33-2945 33-2945 AUDI A4 Quattro Air Filter
List Price: £62.99
Your Price: £50.39
2012 Audi A4 Quattro 3.0L V6 DSL - All
Automotive
2012 Audi A4 Quattro 3.0L Air Filter
E-1987 E-1987 AUDI A4 Quattro Air Filter
List Price: £74.99
Your Price: £59.99
2012 Audi A4 Quattro 3.0L V6 F/I - All
Automotive
2012 Audi A4 Quattro 3.0L Air Filter
E-1987 E-1987 AUDI A4 Quattro Air Filter
List Price: £74.99
Your Price: £59.99
2011 Audi A4 1.8L L4 F/I - All
Automotive
2011 Audi A4 1.8L Air Filter
33-2945 33-2945 AUDI A4 Air Filter
List Price: £62.99
Your Price: £50.39
2011 Audi A4 2.0L L4 DSL - All
Automotive
2011 Audi A4 2.0L Air Filter
33-2945 33-2945 AUDI A4 Air Filter
List Price: £62.99
Your Price: £50.39
2011 Audi A4 2.0L L4 F/I - All
Automotive
2011 Audi A4 2.0L Air Filter
33-2945 33-2945 AUDI A4 Air Filter
List Price: £62.99
Your Price: £50.39
2011 Audi A4 2.7L V6 DSL - All
Automotive
2011 Audi A4 2.7L Air Filter
E-1987 E-1987 AUDI A4 Air Filter
List Price: £74.99
Your Price: £59.99
2011 Audi A4 3.0L V6 DSL - All
Automotive
2011 Audi A4 3.0L Air Filter
E-1987 E-1987 AUDI A4 Air Filter
List Price: £74.99
Your Price: £59.99
2011 Audi A4 3.0L V6 F/I - All
Automotive
2011 Audi A4 3.0L Air Filter
E-1987 E-1987 AUDI A4 Air Filter
List Price: £74.99
Your Price: £59.99
2011 Audi A4 3.2L V6 F/I - All
Automotive
2011 Audi A4 3.2L Air Filter
E-1987 E-1987 AUDI A4 Air Filter
List Price: £74.99
Your Price: £59.99
2011 Audi A4 Quattro 2.0L L4 F/I - All
Automotive
2011 Audi A4 Quattro 2.0L Air Filter
33-2945 33-2945 AUDI A4 Quattro Air Filter
List Price: £62.99
Your Price: £50.39
2010 Audi A4 1.8L L4 F/I - All
Automotive
2010 Audi A4 1.8L Air Filter
33-2945 33-2945 AUDI A4 Air Filter
List Price: £62.99
Your Price: £50.39
2010 Audi A4 2.0L L4 DSL - All
Automotive
2010 Audi A4 2.0L Air Filter
33-2945 33-2945 AUDI A4 Air Filter
List Price: £62.99
Your Price: £50.39
2010 Audi A4 2.0L L4 F/I - All
Automotive
2010 Audi A4 2.0L Air Filter
33-2945 33-2945 AUDI A4 Air Filter
List Price: £62.99
Your Price: £50.39
2010 Audi A4 2.7L V6 DSL - All
Automotive
2010 Audi A4 2.7L Air Filter
E-1987 E-1987 AUDI A4 Air Filter
List Price: £74.99
Your Price: £59.99
2010 Audi A4 3.0L V6 DSL - All
Automotive
2010 Audi A4 3.0L Air Filter
E-1987 E-1987 AUDI A4 Air Filter
List Price: £74.99
Your Price: £59.99
2010 Audi A4 3.0L V6 F/I - All
Automotive
2010 Audi A4 3.0L Air Filter
E-1987 E-1987 AUDI A4 Air Filter
List Price: £74.99
Your Price: £59.99
2010 Audi A4 3.2L V6 F/I - All
Automotive
2010 Audi A4 3.2L Air Filter
E-1987 E-1987 AUDI A4 Air Filter
List Price: £74.99
Your Price: £59.99
2010 Audi A4 Cabriolet 2.0L L4 F/I - All
Automotive
2010 Audi A4 Cabriolet 2.0L Air Filter
33-2209 33-2209 AUDI A4 Cabriolet Air Filter
List Price: £58.31
Your Price: £46.79
2010 Audi A4 Quattro 2.0L L4 F/I - All
Automotive
2010 Audi A4 Quattro 2.0L Air Filter
33-2945 33-2945 AUDI A4 Quattro Air Filter
List Price: £62.99
Your Price: £50.39
2010 Audi A4 Quattro Cabriolet 2.0L L4 F/I - All
Automotive
2010 Audi A4 Quattro Cabriolet 2.0L Air Filter
33-2945 33-2945 AUDI A4 Quattro Cabriolet Air Filter
List Price: £62.99
Your Price: £50.39
2009 Audi A4 1.8L L4 F/I - All
Automotive
2009 Audi A4 1.8L Air Filter
33-2945 33-2945 AUDI A4 Air Filter
List Price: £62.99
Your Price: £50.39
2009 Audi A4 2.0L L4 DSL - All
Automotive
2009 Audi A4 2.0L Air Filter
33-2945 33-2945 AUDI A4 Air Filter
List Price: £62.99
Your Price: £50.39
2009 Audi A4 2.0L L4 F/I - All
Automotive
2009 Audi A4 2.0L Air Filter
33-2945 33-2945 AUDI A4 Air Filter
List Price: £62.99
Your Price: £50.39
2009 Audi A4 2.7L V6 DSL - All
Automotive
2009 Audi A4 2.7L Air Filter
E-1987 E-1987 AUDI A4 Air Filter
List Price: £74.99
Your Price: £59.99
2009 Audi A4 3.0L V6 DSL - All
Automotive
2009 Audi A4 3.0L Air Filter
E-1987 E-1987 AUDI A4 Air Filter
List Price: £74.99
Your Price: £59.99
2009 Audi A4 3.0L V6 F/I - All
Automotive
2009 Audi A4 3.0L Air Filter
E-1987 E-1987 AUDI A4 Air Filter
List Price: £74.99
Your Price: £59.99
2009 Audi A4 4.2L V8 F/I - All
Automotive
2009 Audi A4 4.2L Air Filter
E-1987 E-1987 AUDI A4 Air Filter
List Price: £74.99
Your Price: £59.99
2009 Audi A4 Cabriolet 2.0L L4 F/I - All
Automotive
2009 Audi A4 Cabriolet 2.0L Air Filter
33-2209 33-2209 AUDI A4 Cabriolet Air Filter
List Price: £58.31
Your Price: £46.79
2009 Audi A4 Quattro 2.0L L4 F/I - All
Automotive
2009 Audi A4 Quattro 2.0L Air Filter
33-2945 33-2945 AUDI A4 Quattro Air Filter
List Price: £62.99
Your Price: £50.39
2009 Audi A4 Quattro 3.2L V6 F/I - All
Automotive
2009 Audi A4 Quattro 3.2L Air Filter
E-1987 E-1987 AUDI A4 Quattro Air Filter
List Price: £74.99
Your Price: £59.99
2009 Audi A4 Quattro Cabriolet 2.0L L4 F/I - All
Automotive
2009 Audi A4 Quattro Cabriolet 2.0L Air Filter
33-2209 33-2209 AUDI A4 Quattro Cabriolet Air Filter
List Price: £58.31
Your Price: £46.79
2009 Audi A4 Quattro Cabriolet 3.2L V6 F/I - All
Automotive
2009 Audi A4 Quattro Cabriolet 3.2L Air Filter
33-2209 33-2209 AUDI A4 Quattro Cabriolet Air Filter
List Price: £58.31
Your Price: £46.79
2008 Audi A4 2.0L L4 F/I - US
Automotive
2008 Audi A4 2.0L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2008 Audi A4 2.4L V6 F/I - All
Automotive
2008 Audi A4 2.4L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2008 Audi A4 3.0L V6 F/I - All
Automotive
2008 Audi A4 3.0L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2008 Audi A4 3.2L V6 F/I - All
Automotive
2008 Audi A4 3.2L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2008 Audi A4 1.8L L4 F/I - All
Automotive
2008 Audi A4 1.8L Air Filter
33-2945 33-2945 AUDI A4 Air Filter
List Price: £62.99
Your Price: £50.39
2008 Audi A4 2.0L L4 DSL - All
Automotive
2008 Audi A4 2.0L Air Filter
33-2945 33-2945 AUDI A4 Air Filter
List Price: £62.99
Your Price: £50.39
2008 Audi A4 4.2L V8 F/I - All
Automotive
2008 Audi A4 4.2L Air Filter
E-1987 E-1987 AUDI A4 Air Filter
List Price: £74.99
Your Price: £59.99
2008 Audi A4 2.7L V6 DSL - All
Automotive
2008 Audi A4 2.7L Air Filter
E-1987 E-1987 AUDI A4 Air Filter
List Price: £74.99
Your Price: £59.99
2008 Audi A4 3.0L V6 DSL - All
Automotive
2008 Audi A4 3.0L Air Filter
E-1987 E-1987 AUDI A4 Air Filter
List Price: £74.99
Your Price: £59.99
2008 Audi A4 Quattro 2.0L L4 F/I - US
Automotive
2008 Audi A4 Quattro 2.0L Air Filter
33-2209 33-2209 AUDI A4 Quattro Air Filter
List Price: £58.31
Your Price: £46.79
2008 Audi A4 Quattro 3.2L V6 F/I - US
Automotive
2008 Audi A4 Quattro 3.2L Air Filter
33-2209 33-2209 AUDI A4 Quattro Air Filter
List Price: £58.31
Your Price: £46.79
2008 Audi A4 Quattro 3.2L V6 F/I - Non-US
Automotive
2008 Audi A4 Quattro 3.2L Air Filter
E-1987 E-1987 AUDI A4 Quattro Air Filter
List Price: £74.99
Your Price: £59.99
2007 Audi A4 1.9L L4 DSL - All
Automotive
2007 Audi A4 1.9L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2007 Audi A4 2.0L L4 DSL - All
Automotive
2007 Audi A4 2.0L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2007 Audi A4 2.0L L4 F/I - All
Automotive
2007 Audi A4 2.0L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2007 Audi A4 2.4L V6 F/I - All
Automotive
2007 Audi A4 2.4L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2007 Audi A4 2.7L V6 DSL - All
Automotive
2007 Audi A4 2.7L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2007 Audi A4 3.0L V6 DSL - All
Automotive
2007 Audi A4 3.0L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2007 Audi A4 3.0L V6 F/I - All
Automotive
2007 Audi A4 3.0L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2007 Audi A4 3.2L V6 F/I - All
Automotive
2007 Audi A4 3.2L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2007 Audi A4 1.6L L4 F/I - All
Automotive
2007 Audi A4 1.6L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2007 Audi A4 1.8L L4 F/I - 163BHP
Automotive
2007 Audi A4 1.8L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2007 Audi A4 1.8L L4 F/I - Exc. 163BHP
Automotive
2007 Audi A4 1.8L Air Filter
33-2945 33-2945 AUDI A4 Air Filter
List Price: £62.99
Your Price: £50.39
2007 Audi A4 Quattro 2.0L L4 F/I - All
Automotive
2007 Audi A4 Quattro 2.0L Air Filter
33-2209 33-2209 AUDI A4 Quattro Air Filter
List Price: £58.31
Your Price: £46.79
2007 Audi A4 Quattro 3.2L V6 F/I - All
Automotive
2007 Audi A4 Quattro 3.2L Air Filter
33-2209 33-2209 AUDI A4 Quattro Air Filter
List Price: £58.31
Your Price: £46.79
2006 Audi A4 1.6L L4 F/I - All
Automotive
2006 Audi A4 1.6L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2006 Audi A4 1.8L L4 F/I - All
Automotive
2006 Audi A4 1.8L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2006 Audi A4 1.9L L4 DSL - All
Automotive
2006 Audi A4 1.9L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2006 Audi A4 2.0L L4 DSL - All
Automotive
2006 Audi A4 2.0L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2006 Audi A4 2.0L L4 F/I - All
Automotive
2006 Audi A4 2.0L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2006 Audi A4 2.4L V6 F/I - All
Automotive
2006 Audi A4 2.4L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2006 Audi A4 2.7L V6 DSL - All
Automotive
2006 Audi A4 2.7L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2006 Audi A4 3.0L V6 DSL - All
Automotive
2006 Audi A4 3.0L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2006 Audi A4 3.2L V6 F/I - All
Automotive
2006 Audi A4 3.2L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2006 Audi A4 Quattro 2.0L L4 F/I - All
Automotive
2006 Audi A4 Quattro 2.0L Air Filter
33-2209 33-2209 AUDI A4 Quattro Air Filter
List Price: £58.31
Your Price: £46.79
2006 Audi A4 Quattro 3.0L V6 F/I - All
Automotive
2006 Audi A4 Quattro 3.0L Air Filter
33-2209 33-2209 AUDI A4 Quattro Air Filter
List Price: £58.31
Your Price: £46.79
2006 Audi A4 Quattro 3.2L V6 F/I - All
Automotive
2006 Audi A4 Quattro 3.2L Air Filter
33-2209 33-2209 AUDI A4 Quattro Air Filter
List Price: £58.31
Your Price: £46.79
2005 Audi A4 1.6L L4 F/I - All
Automotive
2005 Audi A4 1.6L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2005 Audi A4 1.8L L4 F/I - All
Automotive
2005 Audi A4 1.8L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2005 Audi A4 1.9L L4 DSL - All
Automotive
2005 Audi A4 1.9L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2005 Audi A4 2.0L L4 DSL - All
Automotive
2005 Audi A4 2.0L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2005 Audi A4 2.0L L4 F/I - All
Automotive
2005 Audi A4 2.0L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2005 Audi A4 2.4L V6 F/I - All
Automotive
2005 Audi A4 2.4L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2005 Audi A4 2.5L V6 DSL - All
Automotive
2005 Audi A4 2.5L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2005 Audi A4 2.7L V6 DSL - All
Automotive
2005 Audi A4 2.7L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2005 Audi A4 3.0L V6 DSL - All
Automotive
2005 Audi A4 3.0L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2005 Audi A4 3.0L V6 F/I - All
Automotive
2005 Audi A4 3.0L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2005 Audi A4 3.2L V6 F/I - All
Automotive
2005 Audi A4 3.2L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2005 Audi A4 Quattro 1.8L L4 F/I - All
Automotive
2005 Audi A4 Quattro 1.8L Air Filter
33-2209 33-2209 AUDI A4 Quattro Air Filter
List Price: £58.31
Your Price: £46.79
2005 Audi A4 Quattro 2.0L L4 F/I - All
Automotive
2005 Audi A4 Quattro 2.0L Air Filter
33-2209 33-2209 AUDI A4 Quattro Air Filter
List Price: £58.31
Your Price: £46.79
2005 Audi A4 Quattro 3.0L V6 F/I - All
Automotive
2005 Audi A4 Quattro 3.0L Air Filter
33-2209 33-2209 AUDI A4 Quattro Air Filter
List Price: £58.31
Your Price: £46.79
2005 Audi A4 Quattro 3.2L V6 F/I - All
Automotive
2005 Audi A4 Quattro 3.2L Air Filter
33-2209 33-2209 AUDI A4 Quattro Air Filter
List Price: £58.31
Your Price: £46.79
2004 Audi A4 1.6L L4 F/I - All
Automotive
2004 Audi A4 1.6L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2004 Audi A4 1.8L L4 F/I - All
Automotive
2004 Audi A4 1.8L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2004 Audi A4 1.9L L4 DSL - All
Automotive
2004 Audi A4 1.9L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2004 Audi A4 2.0L L4 DSL - All
Automotive
2004 Audi A4 2.0L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2004 Audi A4 2.0L L4 F/I - All
Automotive
2004 Audi A4 2.0L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2004 Audi A4 2.4L V6 F/I - All
Automotive
2004 Audi A4 2.4L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2004 Audi A4 2.5L V6 DSL - All
Automotive
2004 Audi A4 2.5L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2004 Audi A4 3.0L V6 DSL - All
Automotive
2004 Audi A4 3.0L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2004 Audi A4 3.0L V6 F/I - All
Automotive
2004 Audi A4 3.0L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2004 Audi A4 Quattro 1.8L L4 F/I - All
Automotive
2004 Audi A4 Quattro 1.8L Air Filter
33-2209 33-2209 AUDI A4 Quattro Air Filter
List Price: £58.31
Your Price: £46.79
2004 Audi A4 Quattro 3.0L V6 F/I - All
Automotive
2004 Audi A4 Quattro 3.0L Air Filter
33-2209 33-2209 AUDI A4 Quattro Air Filter
List Price: £58.31
Your Price: £46.79
2003 Audi A4 2.7L V6 F/I - All
Automotive
2003 Audi A4 2.7L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
2003 Audi A4 3.0L V6 F/I - All
Automotive
2003 Audi A4 3.0L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2003 Audi A4 1.6L L4 F/I - All
Automotive
2003 Audi A4 1.6L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2003 Audi A4 1.8L L4 F/I - All
Automotive
2003 Audi A4 1.8L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2003 Audi A4 1.9L L4 DSL - All
Automotive
2003 Audi A4 1.9L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2003 Audi A4 2.0L L4 F/I - All
Automotive
2003 Audi A4 2.0L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2003 Audi A4 2.4L V6 F/I - All
Automotive
2003 Audi A4 2.4L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2003 Audi A4 2.5L V6 DSL - All
Automotive
2003 Audi A4 2.5L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2003 Audi A4 Quattro 1.8L L4 F/I - All
Automotive
2003 Audi A4 Quattro 1.8L Air Filter
33-2209 33-2209 AUDI A4 Quattro Air Filter
List Price: £58.31
Your Price: £46.79
2003 Audi A4 Quattro 3.0L V6 F/I - All
Automotive
2003 Audi A4 Quattro 3.0L Air Filter
33-2209 33-2209 AUDI A4 Quattro Air Filter
List Price: £58.31
Your Price: £46.79
2002 Audi A4 2.7L V6 F/I - All
Automotive
2002 Audi A4 2.7L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
2002 Audi A4 3.0L V6 F/I - All
Automotive
2002 Audi A4 3.0L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2002 Audi A4 1.6L L4 F/I - All
Automotive
2002 Audi A4 1.6L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2002 Audi A4 1.8L L4 F/I - All
Automotive
2002 Audi A4 1.8L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2002 Audi A4 1.9L L4 DSL - All
Automotive
2002 Audi A4 1.9L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2002 Audi A4 2.0L L4 F/I - All
Automotive
2002 Audi A4 2.0L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2002 Audi A4 2.4L V6 F/I - All
Automotive
2002 Audi A4 2.4L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2002 Audi A4 2.5L V6 DSL - All
Automotive
2002 Audi A4 2.5L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2002 Audi A4 Quattro 1.8L L4 F/I - All
Automotive
2002 Audi A4 Quattro 1.8L Air Filter
33-2209 33-2209 AUDI A4 Quattro Air Filter
List Price: £58.31
Your Price: £46.79
2002 Audi A4 Quattro 3.0L V6 F/I - All
Automotive
2002 Audi A4 Quattro 3.0L Air Filter
33-2209 33-2209 AUDI A4 Quattro Air Filter
List Price: £58.31
Your Price: £46.79
2001 Audi A4 2.6L V6 F/I - All
Automotive
2001 Audi A4 2.6L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
2001 Audi A4 2.7L V6 F/I - All
Automotive
2001 Audi A4 2.7L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
2001 Audi A4 2.8L V6 F/I - All
Automotive
2001 Audi A4 2.8L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
2001 Audi A4 1.8L L4 F/I - All
Automotive
2001 Audi A4 1.8L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
2001 Audi A4 2.4L V6 F/I - All
Automotive
2001 Audi A4 2.4L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
2001 Audi A4 2.5L V6 DSL - 150BHP
Automotive
2001 Audi A4 2.5L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
2001 Audi A4 2.5L V6 DSL - 155/163/180BHP
Automotive
2001 Audi A4 2.5L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2001 Audi A4 1.9L L4 DSL - All
Automotive
2001 Audi A4 1.9L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2001 Audi A4 2.0L L4 F/I - All
Automotive
2001 Audi A4 2.0L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2001 Audi A4 3.0L V6 F/I - All
Automotive
2001 Audi A4 3.0L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2001 Audi A4 1.6L L4 F/I - All
Automotive
2001 Audi A4 1.6L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2001 Audi A4 Quattro 1.8L L4 F/I - All
Automotive
2001 Audi A4 Quattro 1.8L Air Filter
33-2125 33-2125 AUDI A4 Quattro Air Filter
List Price: £58.55
Your Price: £47.99
2001 Audi A4 Quattro 2.8L V6 F/I - All
Automotive
2001 Audi A4 Quattro 2.8L Air Filter
33-2125 33-2125 AUDI A4 Quattro Air Filter
List Price: £58.55
Your Price: £47.99
2000 Audi A4 2.4L V6 F/I - All
Automotive
2000 Audi A4 2.4L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
2000 Audi A4 2.5L V6 DSL - 150BHP
Automotive
2000 Audi A4 2.5L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
2000 Audi A4 2.6L V6 F/I - All
Automotive
2000 Audi A4 2.6L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
2000 Audi A4 2.7L V6 F/I - All
Automotive
2000 Audi A4 2.7L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
2000 Audi A4 2.8L V6 F/I - All
Automotive
2000 Audi A4 2.8L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
2000 Audi A4 1.6L L4 F/I - All
Automotive
2000 Audi A4 1.6L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
2000 Audi A4 1.8L L4 F/I - All
Automotive
2000 Audi A4 1.8L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
2000 Audi A4 1.9L L4 DSL - All
Automotive
2000 Audi A4 1.9L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
2000 Audi A4 2.0L L4 F/I - All
Automotive
2000 Audi A4 2.0L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2000 Audi A4 3.0L V6 F/I - All
Automotive
2000 Audi A4 3.0L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2000 Audi A4 2.5L V6 DSL - 155/163/180BHP
Automotive
2000 Audi A4 2.5L Air Filter
33-2209 33-2209 AUDI A4 Air Filter
List Price: £58.31
Your Price: £46.79
2000 Audi A4 Quattro 1.8L L4 F/I - All
Automotive
2000 Audi A4 Quattro 1.8L Air Filter
33-2125 33-2125 AUDI A4 Quattro Air Filter
List Price: £58.55
Your Price: £47.99
2000 Audi A4 Quattro 2.8L V6 F/I - All
Automotive
2000 Audi A4 Quattro 2.8L Air Filter
33-2125 33-2125 AUDI A4 Quattro Air Filter
List Price: £58.55
Your Price: £47.99
1999 Audi A4 1.6L L4 F/I - All
Automotive
1999 Audi A4 1.6L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1999 Audi A4 1.8L L4 F/I - All
Automotive
1999 Audi A4 1.8L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1999 Audi A4 1.9L L4 DSL - All
Automotive
1999 Audi A4 1.9L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1999 Audi A4 2.4L V6 F/I - All
Automotive
1999 Audi A4 2.4L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1999 Audi A4 2.5L V6 DSL - All
Automotive
1999 Audi A4 2.5L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1999 Audi A4 2.6L V6 F/I - All
Automotive
1999 Audi A4 2.6L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1999 Audi A4 2.7L V6 F/I - All
Automotive
1999 Audi A4 2.7L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1999 Audi A4 2.8L V6 F/I - All
Automotive
1999 Audi A4 2.8L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1999 Audi A4 Quattro 1.8L L4 F/I - All
Automotive
1999 Audi A4 Quattro 1.8L Air Filter
33-2125 33-2125 AUDI A4 Quattro Air Filter
List Price: £58.55
Your Price: £47.99
1999 Audi A4 Quattro 2.8L V6 F/I - All
Automotive
1999 Audi A4 Quattro 2.8L Air Filter
33-2125 33-2125 AUDI A4 Quattro Air Filter
List Price: £58.55
Your Price: £47.99
1998 Audi A4 1.6L L4 F/I - All
Automotive
1998 Audi A4 1.6L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1998 Audi A4 1.8L L4 F/I - All
Automotive
1998 Audi A4 1.8L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1998 Audi A4 1.9L L4 DSL - All
Automotive
1998 Audi A4 1.9L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1998 Audi A4 2.4L V6 F/I - All
Automotive
1998 Audi A4 2.4L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1998 Audi A4 2.5L V6 DSL - All
Automotive
1998 Audi A4 2.5L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1998 Audi A4 2.6L V6 F/I - All
Automotive
1998 Audi A4 2.6L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1998 Audi A4 2.7L V6 F/I - All
Automotive
1998 Audi A4 2.7L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1998 Audi A4 2.8L V6 F/I - All
Automotive
1998 Audi A4 2.8L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1998 Audi A4 Quattro 1.8L L4 F/I - All
Automotive
1998 Audi A4 Quattro 1.8L Air Filter
33-2125 33-2125 AUDI A4 Quattro Air Filter
List Price: £58.55
Your Price: £47.99
1998 Audi A4 Quattro 2.8L V6 F/I - All
Automotive
1998 Audi A4 Quattro 2.8L Air Filter
33-2125 33-2125 AUDI A4 Quattro Air Filter
List Price: £58.55
Your Price: £47.99
1997 Audi A4 1.6L L4 F/I - All
Automotive
1997 Audi A4 1.6L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1997 Audi A4 1.8L L4 F/I - All
Automotive
1997 Audi A4 1.8L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1997 Audi A4 1.9L L4 DSL - All
Automotive
1997 Audi A4 1.9L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1997 Audi A4 2.4L V6 F/I - All
Automotive
1997 Audi A4 2.4L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1997 Audi A4 2.6L V6 F/I - All
Automotive
1997 Audi A4 2.6L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1997 Audi A4 2.8L V6 F/I - All
Automotive
1997 Audi A4 2.8L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1997 Audi A4 Quattro 1.8L L4 F/I - All
Automotive
1997 Audi A4 Quattro 1.8L Air Filter
33-2125 33-2125 AUDI A4 Quattro Air Filter
List Price: £58.55
Your Price: £47.99
1997 Audi A4 Quattro 2.8L V6 F/I - All
Automotive
1997 Audi A4 Quattro 2.8L Air Filter
33-2125 33-2125 AUDI A4 Quattro Air Filter
List Price: £58.55
Your Price: £47.99
1996 Audi A4 1.6L L4 F/I - All
Automotive
1996 Audi A4 1.6L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1996 Audi A4 1.8L L4 F/I - All
Automotive
1996 Audi A4 1.8L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1996 Audi A4 1.9L L4 DSL - All
Automotive
1996 Audi A4 1.9L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1996 Audi A4 2.6L V6 F/I - All
Automotive
1996 Audi A4 2.6L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1996 Audi A4 2.8L V6 F/I - All
Automotive
1996 Audi A4 2.8L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1996 Audi A4 Quattro 2.8L V6 F/I - All
Automotive
1996 Audi A4 Quattro 2.8L Air Filter
33-2125 33-2125 AUDI A4 Quattro Air Filter
List Price: £58.55
Your Price: £47.99
1995 Audi A4 1.6L L4 F/I - All
Automotive
1995 Audi A4 1.6L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1995 Audi A4 1.8L L4 F/I - All
Automotive
1995 Audi A4 1.8L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1995 Audi A4 1.9L L4 DSL - All
Automotive
1995 Audi A4 1.9L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1995 Audi A4 2.6L V6 F/I - All
Automotive
1995 Audi A4 2.6L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1995 Audi A4 2.8L V6 F/I - All
Automotive
1995 Audi A4 2.8L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1994 Audi A4 1.8L L4 F/I - All
Automotive
1994 Audi A4 1.8L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1994 Audi A4 1.9L L4 DSL - All
Automotive
1994 Audi A4 1.9L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1994 Audi A4 2.6L V6 F/I - All
Automotive
1994 Audi A4 2.6L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99
1994 Audi A4 2.8L V6 F/I - All
Automotive
1994 Audi A4 2.8L Air Filter
33-2125 33-2125 AUDI A4 Air Filter
List Price: £58.55
Your Price: £47.99

K&N replacement air filters are designed to increase horsepower and performance in your Audi A4.