This throttle body was used in multiple GM SUV/Trucks with the 4.2 Inline 6, the 5.3L V8 and the 6.2L V8 so this video should also apply to most GM SUV and trucks around 20072014
Chevy Silverado,Tahoe,Suburban,trailblazer, and SSR
Cadillac Escalade
GMC Yukon,Sierra, Savanna, Envoy
Hummer H1 & H2
Saab 97X
Buick Rainer

Throttle body Part # Duralast TB1011D
throttle body gasket part # Mahle G31974
AC Delco throttle body part #12679524