For GM 8.5"/8.625" (10 Bolt)
For GM 7.5"/7.625" (10 Bolt)
Browse our selection of quality differential cover gasket parts designed specifically for your Hummer H3T. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Adventure · Alpha · Base
Crew Cab Pickup
L5 3.7L · V8 5.3L
Automatic · Manual
