Cross Reference for K&N Air Filter E-0668

Product Information and Specifications for K&N Air Filter E-0668 Use this cross reference as a reference guide only! Use our application search to determine the K&N air filter that correctly fits your vehicle.
Part Numbers
Audi 420133843B
Autopart International 5000232996
Autopart International 5000256968
Carquest 256968
Porsche 98111013000
Premium Guard PA9957
CROSS REFERENCE WARNING - When a specific air filter is not shown in our application search results for a specific vehicle application, it should be assumed that there is not a K&N filter for that vehicle. Any use of this cross reference guide to find a replacement air filter is done at the installer's risk. Note - Heavy Duty diesel filters are typically found by cross reference since they can vary by application.