K&N parts matching Denso 1780187401 air filter

The Denso 1780187401 air filter cross references with the K&N air filter parts below. K&N offers compatible air filters for many Denso air filters giving you an alternative.
ProductPart NumberProduct Image 
K&N Replacement Air Filter
  • Designed to Increase Power
  • Million Mile Limited Warranty
Amy Ward, Ringgold, Georgia
K&N is a great company to deal with. The best filters and best customer service, I will always buy my filters from them.
Cale, Wisconsin
Good everyday filter for my car.
Chris Pryer, Heathfeild, Florida
I decided to do a service on a Toyota MR2 Spyder Roadster. Spark plugs were in need of replacing and replaced air filter as well. There was a definite increase of power with the K&N filter and was easy to fit. No need to modify anything, it goes straight in to air filter box. Delivery was next day.
33-2041-1 K&N 33-2041-1 Replacement Air Filter
List Price: $79.99
Your Price: $50.99