Not sure which 2004 GMC Sierra Mass Air Flow Sensors are right for you? We have over 316 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:
"Real easy to install makes my truck run a lot better. The price is a little high for all the more it is and does but I like it so far." —Jerry B from Hazel Hurst, PA bought a Jet Power-Flow Mass Air Sensor for a 2004 GMC Sierra, 5.3L V8, 8th digit of VIN = T.