Not sure which 2004 GMC Sonoma 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:
"Mileage increase of 15% (20 up to 23 mpg) after first tank of fuel. Performance way up too. Love it." —Kurt L from Espanola, NM bought a K&N Air Filters for a 2004 GMC Sonoma, 4.3L V6.