Hummer engines are engineered for extreme torque and indestructible durability. Built on proven General Motors architectures, from the massive 6.2L V8s in the H2 to the versatile VorTec engines in the H3, these powerplants are designed to conquer the most demanding terrains while providing the heavy-duty cooling necessary for off-road survival.
By choosing a thoroughly inspected, OEM used Hummer engine from our inventory, you are guaranteeing that your vehicle maintains its factory-rated towing capacity and 4WD synchronization—all while saving thousands compared to dealership replacement costs or custom heavy-duty rebuilds.
We stock the heavy-duty powerplants required for the Hummer lineup.
We stock reliable 6.0L and 6.2L V8 engines, tested to ensure they meet Hummer's high-torque adventure specs.
Restore your mid-size crawler with tested 3.5L/3.7L Inline-5 or high-output 5.3L V8 Alpha replacement engines.
Find the specialized 6.5L Turbo Diesel hearts needed to keep the original off-road legend in peak operational form.
High-performance V8 units verified for compression and oil pressure, ready for immediate heavy-duty installation.
"Don't let a mechanical failure end your expedition. Our Hummer engines represent the perfect intersection of American heavy-duty engineering and proven trail reliability, ready to deliver that signature power for another 100,000 miles."
Internal components tested for maximum low-end crawl power.
100% genuine Hummer/GM components with no aftermarket cores.
"The 6.2L V8 found in the Hummer H2 is a member of the legendary GM Small-Block family, renowned for its 'bulletproof' nature and its ability to provide 415 lb-ft of torque, essential for heavy-duty 4WD maneuvers."
Our expert team is standing by to verify compatibility and secure a tested Hummer engine for you today.