K&N parts matching AC Delco A3231C air filter

The AC Delco A3231C 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
Kyle Minear, Smithville, Missouri
Quick and easy to order. Filter arrived quickly. Good price. Fit was perfect. I like that I won't need to purchase another filter ever. Early to tell but it feels like my 2018 2500hd is a bit more responsive.
Lee Beuershausen, Marble Falls, United States
A very good product and service.
Jason Jackson, Hyndman, Pennsylvania
I am disappointed with this filter, I haven't had any increase in fuel mileage at all. To be fair it has only been one tank full so far. Maybe it will help over time.
33-5065 K&N 33-5065 Replacement Air Filter
List Price: $171.19
Your Price: $93.99