Not sure which 2003 Nissan Altima Air Filters are right for you? We have over 14810 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:
"This is the first upgrade to my wife's 2011 Dodge Avenger LUX w/3.6 V6. We've used K&N filters in our other vehicles with no problems. The long period between maintenance helps because we are both on the road alot for our jobs." —Lee G from Thibodaux, LA bought a K&N Air Filters for a 2003 Nissan Altima, 3.6L V6.