K&N parts matching Wesfil WA1091 air filter

The Wesfil WA1091 air filter cross references with the K&N air filter parts below. K&N offers compatible air filters for many Wesfil air filters giving you an alternative.
ProductPart NumberProduct Image 
K&N Replacement Air Filter
  • Designed to Increase Power
  • Million Mile Limited Warranty
Ron Helvey, Ypsilanti, Michigan
Actually seems to add a little power : )
33-2115-1 K&N 33-2115-1 Replacement Air Filter
List Price: $98.99
Your Price: $63.99
K&N Replacement Air Filter
  • Designed to Increase Power
  • Million Mile Limited Warranty
Alex Sully, Taunton, United Kingdom
Straight replacement for old filter on Morgan Roadster (3.0 litre V6) - seems to have made the engine more crisp and appears to help it rev more freely. Would have appreciated confirmation that on first fitment it doesn't need spraying with filter oil.
Phil Gough, Beaminster Somerset, United Kingdom
Excellent service and goods
Peter Fields, Ellesmere Port, United Kingdom
Great service for a great product.
33-2210 K&N 33-2210 Replacement Air Filter
List Price: $88.99
Your Price: $56.99