K&N parts matching AC Delco A256C air filter

The AC Delco A256C 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-Hdt
  • Washable and Reusable
  • Easy to Clean
Anthony Leyva , Denver, Colorado
Best filters ever
Armando Fuentes, Moses Lake, Washington
Instantly notice throttle response and more power. Very happy with filter. Still haven't noticed any fuel gains due to not traveling very far since install. But I'm sure I'll see a difference. All my vehicles have K&N filters and all have mpg gains and additional power.
Scott Hart, Pennsylvania
Excellent product! Finally a good air filter for big trucks! Thanks!
38-2030R K&N 38-2030R Replacement Air Filter-HDT
List Price: $321.89
Your Price: $240.99