K&N parts matching AC Delco A3621C air filter

The AC Delco A3621C 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
Edgar Santiago , Jersey City, New Jersey
I've been spreading the word on your products and how productive they are. Thank you so much. It is truly a money and gas saver.
Joel Joslin, Kansas
Ordering was easy online. The filter has performed as expected.
Joel Reeves, Wisconsin
This is the 3rd one I've purchased. Love not having to replace them.
33-2443 K&N 33-2443 Replacement Air Filter
List Price: $85.89
Your Price: $55.99
K&N Replacement Air Filter
  • Designed to Increase Power
  • Million Mile Limited Warranty
Tyler, Canonsburg, Pennsylvania
It shipped quickly and I could tell the difference in my vehicle immediately.
Dave Cox, Rocky mount Verginia
Awesome service and product as always
Ron Poole, South Carolina
I have always used K&N air filters, love the product. This one is for my 2014 grand cherokee srt - improved air flow and better sound. What I really want is the cold air intake for the 6.4 jeep grand cherokee to increase hp. Thanks.
33-2457 K&N 33-2457 Replacement Air Filter
List Price: $83.29
Your Price: $53.99