Not sure which 1990 Ford F-250 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:
"I'm getting 1 mpg more [15 to 16mpg]['90 F250 diesel], which translates to 1 gal a week [$4.80]. It will pay for itself quickly." —Larry R from Lufkin, TX bought a K&N Air Filters for a 1990 Ford F-250.