The Hummer H3 was built to tackle serious terrain, but even the toughest off-road machines eventually need an engine replacement. At Moon Auto Parts, we carry a verified inventory of Used Hummer H3 Engines for Sale, sourced from low-mileage vehicles, VIN-matched, and graded Grade A so you get a reliable unit without the dealership markup.
Hummer H3 Engine Options Explained
Understanding your h3 hummer engine options is the first step to a smart replacement. The H3 was offered with three powertrain configurations across its production years:
- L52 3.5L inline-5 — standard on 2006 base models, reliable and fuel-efficient for a truck of its size
- LLR 3.7L inline-5 — introduced for 2008–2010, delivering improved torque; this is the most searched 2010 hummer h3 3.7 engine for sale option
- LH8 5.3L V8 — the performance choice, found in the H3T and late-model H3 Alpha variants
Each engine code represents a different performance profile. Our inventory is VIN-matched, so you get the exact spec your vehicle requires no guesswork.
Hummer H3 Engine Cost
The hummer h3 engine replacement cost at a dealership or independent shop can range from $4,000 to $9,000+, including labor. Sourcing a low-mileage used hummer h3 engine from Moon Auto Parts brings that number down significantly. All units are Grade A, inspected, and ready to install.
Why Shop From Moon Auto Parts?
Our Used Hummer H3 Engines for Sale come backed by a 4-year/40,000-mile warranty, free shipping to commercial addresses, and no core charge. The hummer 2006 h3 engine 5 cylinder variants both the L52 3.5L and LLR 3.7L are in stock across multiple model years from 2006 to 2010. Select your year above to find your exact match and get back on the road.