Nearly 30 years of obsessively cataloging, photographing, and taking video of each part means it will fit your 2009 Hummer H2 409S Block-Hugger Header - Base - 6.2L - FLEX - L9H - VIN Code 2 Exhaust Header.
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!