K&N parts matching Carquest BA4278 air filter

The Carquest BA4278 air filter cross references with the K&N air filter parts below. K&N offers compatible air filters for many Carquest air filters giving you an alternative.
ProductPart NumberProduct Image 
K&N Replacement Air Filter
  • Designed to Increase Power
  • Million Mile Limited Warranty
Raymond Plunkett, England
Excellent product with clear, but unnecessary installation instructions. Car seems to have slightly benefited from the easier breathing.
Daniel Sepulveda, Placerville, California
Product arrived quickly, packaged well, works great! Very pleased. THANKS K&N!
GT Gennadiy , Kyiv, Ukraine
Finally I had decided to change original filter to K&N. Overall performance of 2.0 liter boxer had truelly increased and fuel consuption became more efficient. Thank you for a great product.
33-2232 K&N 33-2232 Replacement Air Filter
List Price: $84.29
Your Price: $53.99
K&N Replacement Air Filter
  • Designed to Increase Power
  • Million Mile Limited Warranty
Fahad Dossary, Dammam, Saudi Arabia
Amazing product .
Wayneworth Morrison, Tampa, Florida
Very satisfied.
John Barlund, Corona, California
Very quick delivery. Will shop there again.
33-2374 K&N 33-2374 Replacement Air Filter
List Price: $83.69
Your Price: $53.99