K and P Engineering

Lifetime Oil Filter from K&P Engineering, manufacturer of the world's finest oil filter! This filter is 100% designed and manufactured in the USA to last the life of your Harley. Outperforms paper filters and billet finned design also acts as an oil cooler! Replaces Harley-Davidson P/N: 6373199, 6373199A, 6379677A, 6379899, 6379899A, 6380580A. Fitment. Also fits on early Buell M2 Cyclone, S3 Thunderbolt, and X1 Lightning. For the Blast and XB Firebolt & Lightning models see the S9 filter. The...

Lifetime Oil Filter from K&P Engineering, manufacturer of the world's finest oil filter! This filter is 100% designed and manufactured in the USA to last the life of your Buell*. Outperforms paper filters and billet finned design also acts as an oil cooler! *Replaces Buell filters on the following models: Blast, XB9R, XB9S, XB12R, XB12S, and XB12X. Not for use on the M2 Cyclone, S3 Thunderbolt, or X1 Lightning which require the larger Harley style S4 filter. The most technically advanced oil...

ifetime Oil Filter from K&P Engineering, manufacturer of the world's finest oil filter! This filter is 100% designed and manufactured in the USA to last the life of your Harley. Outperforms paper filters and billet finned design also acts as an oil cooler! Replaces Harley-Davidson P/N: 6373199, 6373199A, 6379677A, 6379899, 6379899A, 6380580A. Fitment. The most technically advanced oil filter you can buy Billet aluminum filter case doubles as an oil cooler Consistent filtering across entire...

Chrome Lifetime Oil Filter (S4C) from K&P Engineering, manufacturer of the world's finest oil filter! This filter is 100% designed and manufactured in the USA to last the life of your Harley. Outperforms paper filters and billet finned design also acts as an oil cooler! Replaces Harley-Davidson P/N: 6373199, 6373199A, 6379677A, 6379899, 6379899A, 6380580A. Fitment. Out of stock, see alternate Chrome Billet Oil Filter The most technically advanced oil filter you can buy Billet aluminum filter...

Quad-Ring seal for K&P oil filters. For use with the S1 filters used on most Harley v-twin models.