Get the dependable power and rugged, off-road-ready durability your Hummer deserves with quality remanufactured powertrain components from Powertrain Company. Whether you’re restoring daily driving reliability or building a vehicle ready to tackle extreme terrain, we offer remanufactured engines, transmissions, transfer cases, and axles engineered to meet or exceed OEM standards.

Our Hummer replacement units are precision-remanufactured, SIM-tested, and thoroughly inspected to ensure unmatched performance and long-term dependability. Every component is designed for a precise fit across a wide range of Hummer models and years—including H1, H2, and H3 platforms, along with popular engine configurations.

At Powertrain Company, we deliver:

• High-quality remanufactured Hummer engines built to OEM specifications
• Durable transmissions and transfer cases ready for daily driving or demanding off-road conditions
• Transfer cases and axles built for strength, stability, and long-lasting performance
• Fast nationwide shipping to get your Hummer back on the road quickly
• Industry-leading warranty protection, giving you the confidence you need both on and off the road

Upgrade your Hummer’s reliability, restore lost power, or complete a full drivetrain rebuild with components you can trust. Shop remanufactured Hummer powertrain replacements today and experience dependable performance at a fraction of dealership pricing.