Lifter Valley Cover Set
Includes Throttle Body Gasket
Molded Rubber; Lifter Valley Gasket
Standard Design
Molded Rubber; Contains Premium Grade Intake Manifold Gaskets
Improved Design
Molded Rubber / Steel
Browse our selection of quality engine intake manifold gasket set parts designed specifically for your Hummer H3. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Adventure · Alpha · Base · Championship Series · Luxury · X
Sport Utility
L5 3.5L · L5 3.7L · V8 5.3L
Automatic · Manual