K&N parts matching AC Delco A644C air filter

The AC Delco A644C 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
Luke Pezanoski, Dana Point, California
I have been using K&N filters for around fifteen years in many different vehicles. I shouldn't have been surprised to find that they did in fact have a drop-in filter for my latest project: a 1987 Suburban with a 6.2L Detroit diesel. As always, they deliver a great product, with perfect fit and flawless craftsmanship. Fast shipping too.
Carlos Nava Ablanedo, Palma de Mallorca, Spain
Chevrolet M1009 de 1984.
Mickey , Loveland, Colorado
Nothing looks sweeter than popping the hood on a 1977 GMC K15 with a 350 cu. in. motor and a K&N air filter sitting on top. No more disposable paper filters, YEA!
E-1690 K&N E-1690 Replacement Air Filter
List Price: $107.89
Your Price: $69.99