K&N Replacement Air Filter FORD F150 LIGHTNING 5.4L 99-04, F150 HARLEY DAVIDSON 5.4L 02-03

Upgrade your Ford F150 with K&N's top - notch washable and reusable high - flow air filters. These filters feature a modern layered, oiled cotton media design that boosts airflow and traps contaminants. They're engineered to increase horsepower, last the entire life of your vehicle, and come with K&N's 10 - Year/Million Mile Limited Warranty. K&N drop - in replacement filters fit easily into your factory air box. Get yours today and experience better airflow and performance from K&N's best - selling product! This part fits 2002 - 2003 Ford F - 150 Harley - Davidson Edition, 1999 - 2003 Ford F - 150 Lightning, and 2004 Ford F - 150 Heritage SVT Lightning.

Using your K&N air filter is easy. Just remove your old air filter from the factory air box and drop the K&N filter in. It's designed to fit right in without any special tools. When it comes to maintenance, the filter is washable and reusable. Check it regularly for dirt and debris. If it looks dirty, you can wash it with a mild soap and water. Make sure to let it dry completely before re - oiling it with K&N filter oil. Don't use any other type of oil as it may damage the filter. Also, avoid using harsh chemicals when cleaning. Remember, this filter is built to last the life of your vehicle, but proper care will keep it performing at its best.