K&N parts matching BMC FB45420 air filter

The BMC FB45420 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
Ron Rutzinski , Sussex, Wisconsin
Great product.
Víctor Pereira, Sevilla, Spain
Perfect! Acceleration is much more constant, less lag in power and fuel consumption has improved.
Francisco Valdes, Mexico City, Texas
Feels like original.
33-2945 K&N 33-2945 Replacement Air Filter
List Price: $84.19
Your Price: $53.99