K&N parts matching AC Delco A3686C air filter

The AC Delco A3686C air filter cross references with the K&N air filter parts below. K&N offers compatible air filters for many AC Delco air filters giving you an alternative.
ProductPart NumberProduct Image 
K&N Replacement Air Filter
  • Designed to Increase Power
  • Million Mile Limited Warranty
Gary Evers, Belvidere, Illinois
Installed a K&N filter on the 2nd day I bought my new 2012 Prius. I always get about 60MPG on the highway. Even city MPG is in the high 50MPG. I don't know what the original paper filter would have given me and don't really care. K&N air filters rule the road!
Ahlvin Gochingco, California
Easy to install. Fast shipment.
Fred Allen, Lomita, California
Great drop in filter. Run them in all my vehicles.
33-2435 K&N 33-2435 Replacement Air Filter
List Price: $77.99
Your Price: $49.99