K&N parts matching Mann-Hummel WK5121 fuel filter

The Mann-Hummel WK5121 fuel filter cross references with the K&N fuel filter parts below. K&N offers compatible fuel filters for many Mann-Hummel fuel filters giving you an alternative.
ProductPart NumberProduct Image 
K&N Fuel Filter
  • Built for High Flow Rates
  • Outstanding Filtration
Andrew Wielepski, Houston, Texas
Fast free shipping!
Hagios Dewet, Princeton, Kentucky
Great filter. Definitely would buy it again. Great service and shipping.
Gary a Krakoff, Los Angeles, California
Fuel filter fit like a glove . Good price and fast shipping. Fan of K&N products.
PF-2000 K&N PF-2000 Fuel Filter
List Price: $15.59
Your Price: $12.99