K&N parts matching BMC 21901 air filter

The BMC 21901 air filter cross references with the K&N air filter parts below. K&N offers compatible air filters for many BMC air filters giving you an alternative.
ProductPart NumberProduct Image 
K&N Replacement Air Filter
  • Designed to Increase Power
  • Million Mile Limited Warranty
Justin Lee, Berkeley, California
Throttle seems to be more responsive and the install is like an OEM paper filter. Just keep your re-oiling to a light spray and I don't foresee any issues with the MAF sensors. This is just one part of a revival of my 97 4runner. Engine clean, new sparks and cables plus fuel filter cleaning.
Marlyn Gray, Los Angeles, California
Thank you very much for the customer service and the fast and efficient way my order was processed and delivered. I am a very satisfied customer.
Wayne Williams , New Bern, North Carolina
Absolutely performs better and a few extra miles per fill up. Thanks K&N
33-2054 K&N 33-2054 Replacement Air Filter
List Price: $112.79
Your Price: $72.99