Nearly 30 years of obsessively cataloging, photographing, and taking video of each part means it will fit your 2004 Chevrolet Pick-up Truck 6.6L Diesel LLY Engine - Left Side Fuel Rail.
Period. No Hassle. GUARANTEED.
We cover round trip shipping if we make a mistake.
Check out the video below to view the Guaranteed Exact Fit process from start to finish!