Keep your motor’s lungs fed with clean, energy-rich oxygen from the “the world’s best air filter”—K&N Air Filters. Constructed from pleated sheets of oiled cotton gauze, these air filters strip away grime without blocking airflow. Fully reusable. Million Mile Limited Warranty.
Say goodbye to the days of re-oiling your reusable performance filter—innovative aFe Pro-Dry S Air Filters boast a 100% oil-free cotton gauze construction for wicked airflow. Easy to clean and reuse. The Pro-Dry S Air Filter is backed by a Lifetime Warranty.
Get maximum filtration with the Airaid SynthaMax Air Filter. Featuring 5 layers of non-oiled, 100% synthetic fiber, this reusable air filter directly replaces your factory paper filter with no modifications. Washable in household detergent and reusable for life. Lifetime Warranty.
Drop in optimal engine filtration and performance with the Airaid SynthaFlow Air Filter. Replacing flimsy factory paper filters, this high-performance filter combines multiple oiled cotton gauze and synthetic fiber layers to deliver ultimate airflow and protection. Lifetime Warranty.
When you equip your engine bay with an aFe Air Filter, you’ll never need another performance air filter in your ride’s life. aFe expertly crafts your automotive air filter from high-quality cotton gauze to trap grime without blocking airflow. Cleanable and reusable. Lifetime Warranty.
Not sure which 2003 Ford F-150 Air Filters - Custom Fit is right for you? We have over 14143 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"2004 honda accord v-6
I noticed a gain in fuel economy. 1-2 m.p.g.
it adds up!!" —Luigi C from Johnston, RI bought a K&N Air Filters for a 2003 Ford F-150.
"Purchased this over a K&N because there was no need to oil. I have had issues with oiling and MAF equiped cars in the past and decided to go with the synthetic this time. So far so good, It was a drop in so really no noticable gain but good sound and I did pick up 2 mpg and my 03 F 150 5.4. I will be replacing my wifes K&N in her Pathfinder as soon as it needs to be cleaned\oiled." —Daniel H from Opp, AL bought an aFe Pro-Dry S Air Filters for a 2003 Ford F-150, Standard, 5.4L V8.
"I have been a big promoter of K&N products. They have very high quality and ease of use. I love that they are durable and long lasting. I will always use K&N air filters in my vehicles, won't trust any other brand in my wehicles." —Bryan H from Imperial, MO bought a K&N Air Filters for a 2003 Ford F-150.
"I have used K & N products before and this one does not disappoint! Noticed slight improvements in power and gas mileage, awesome product!
Also better for the environment and landfills, no paper ones to throw away!" —David A from Rockport, TX bought a K&N Air Filters for a 2003 Ford F-150.
"Needed more power to pull camper, Started with premium gas and a K&N air filter, the combination of the two i am happy with my decision to start there. Not needing a chip right now." —Jared W from Ainsworth, IA bought a K&N Air Filters for a 2003 Ford F-150, 5.4L V8.