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Mon–Fri 8am–7pm · Ships to all 50 states

Remanufactured engine · Hummer · Nationwide freight

Premium Remanufactured Hummer Engines – Dyno Tested, Certified & Warrantied

Shop premium remanufactured Hummer engines rebuilt to OEM specs, dyno-tested, and backed by warranty. Fast nationwide shipping and perfect VIN-matched fitment.

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  • Warranty in writing

    Up to 3–5 years, written on the quote.

  • Checked before freight

    Rebuilt to the spec on the quote, then checked against the vehicle before it is crated.

  • Freight to 50 states

    Crated to the shop or the driveway. Transit is on the quote.

  • A person who answers

    Mon–Fri 8am–7pm. English and Spanish.

Remanufactured Hummer Engines You Can Rely On

When your Hummer’s powerhouse starts showing signs of wear, replacing the entire SUV isn’t your only option. A remanufactured Hummer engine gives you factory-grade performance and durability—without the cost of a brand-new motor.

Our remanufactured engines are fully rebuilt, tested to OEM standards, and backed by industry-leading warranties, ensuring your Hummer keeps its rugged reliability and off-road strength for years to come.

Whether you own a Hummer H1, H2, or H3, or a GM-based commercial variant, a remanufactured engine restores power, towing capacity, and confidence both on and off the road.


What Makes a Remanufactured Hummer Engine Different?

A remanufactured engine is far more than a repair—it’s a complete engineering rebuild designed to meet original factory specifications.

Each Hummer engine is disassembled, cleaned, precision-machined, and reassembled with new or reconditioned components that meet strict OEM tolerances.

Key components replaced or rebuilt include:

  • Pistons & Rings
  • Crankshaft
  • Camshaft
  • Cylinder Heads
  • Valvetrain Components
  • Bearings
  • Gaskets & Seals
  • Timing Components
  • Oil Pump

Every finished engine undergoes pressure, compression, and dyno testing to confirm it performs equal to—or better than—a new factory unit.


Why Choose Remanufactured Over Used or Rebuilt?

Feature

Remanufactured Engine

Used Engine

Rebuilt Engine

Testing

Dyno & Pressure Tested

Not Tested

Limited Testing

Warranty

Up to 5 Years

None

30–90 Days

New Parts

Majority Replaced

None

Only Failed Parts

Lifespan

Like-New

Unknown

Variable

Fitment

VIN-Matched

Unverified

Partial Match

A remanufactured Hummer engine provides the same power, torque, and reliability as a brand-new OEM motor at nearly half the price—ideal for both off-road enthusiasts and professional repair shops.


Warranty & Certification You Can Trust

Each remanufactured Hummer engine is backed by industry-leading warranties ranging from 12 months to 5 years, depending on model and usage.

Certifications and Quality Assurance include:

  • ISO Certified Remanufacturing Facilities
  • AERA Automotive Machining Standards
  • OEM-Grade Components and Assembly
  • Compression, Leak, and Dyno Testing Documentation

You’ll receive full documentation verifying your engine’s testing results and warranty details with every purchase.


Fitment for All Hummer Models

We supply remanufactured engines for all major Hummer vehicles from 1995 through 2010, including:

  • Hummer H1 (6.5L Diesel, 6.6L Duramax)
  • Hummer H2 (6.0L V8, 6.2L V8)
  • Hummer H3 (3.5L, 3.7L, 5.3L V8)
  • Hummer H3T
  • Military and Fleet Variants

If you’re unsure which engine fits your Hummer, just provide your VIN number—our specialists will confirm the exact match for you.


Cost Benefits

Remanufactured Hummer engines typically cost 40–60% less than new OEM units, with reliability that matches or exceeds factory performance.

Average price range by model:

  • Hummer H2 6.0L / 6.2L V8: $3,200–$4,800
  • Hummer H3 3.7L I5: $2,500–$3,600
  • Hummer H3 5.3L V8: $2,900–$4,100
  • Hummer H1 6.5L Turbo Diesel: $3,800–$6,000

Proper VIN-matched fitment reduces installation time and labor costs—saving you even more.


Shipping & Installation Support

All Hummer engines are securely crated and shipped nationwide via freight, ensuring safe and quick delivery.

  • Delivery in 3–7 business days
  • Residential or commercial options
  • Liftgate service available
  • Authorized installer recommendations provided

Each order includes installation and warranty activation instructions for your mechanic.


When Should You Replace Your Hummer Engine?

Common signs your Hummer engine may need replacement include:

  • Persistent engine knocking or tapping
  • Heavy oil consumption or smoke
  • Low compression or poor performance
  • Overheating or head gasket failure
  • Bearing or crankshaft damage
  • Rod failure or catastrophic engine seizure

Rather than investing in endless repairs, a remanufactured Hummer engine delivers a cost-effective, long-term solution that restores full performance and peace of mind.


Eco-Friendly & Sustainable

Choosing a remanufactured engine isn’t just smart—it’s sustainable.

By reusing and re-engineering existing components, we reduce waste, conserve raw materials, and lower manufacturing emissions. Your choice helps keep vehicles out of landfills and reduces your carbon footprint—without compromising performance.

From the shop

Notes that sit next to the quote

Hummer Engine Care After Replacement

After your remanufactured Hummer engine is installed, follow these steps to ensure long-term reliability:

  • Change the oil after the first 500–1000 miles
  • Always use OEM-specified oil and filters
  • Regularly monitor coolant and oil levels
  • Avoid aggressive driving during the break-in period
  • Follow warranty service intervals strictly

Proper maintenance can help your remanufactured Hummer engine outlast even the original.

Common Hummer Engine Types We Support

We remanufacture engines for all major Hummer configurations, including:

  • 3.5L & 3.7L Inline-5 (H3)
  • 5.3L & 6.0L V8 (H2, H3 Alpha)
  • 6.2L V8 (H2)
  • 6.5L Diesel V8 (H1)
  • 6.6L Duramax Turbo Diesel (H1 & Custom Builds)

If you’re unsure of your exact engine code, we’ll confirm it using your VIN before shipping.

By make

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Reviews

What shops and owners say

Mileage, warranty, and freight are on the quote. These notes are from people who ordered a remanufactured engine.

“The engine runs like brand new. Torque is back, no leaks, and installation was straightforward.”

Mark Peterson

Denver, CO

2006 Hummer H2

“Excellent rebuild quality and great communication. My mechanic said it dropped right in.”

James Caldwell

Dallas, TX

2009 Hummer H3

“Power and reliability are back. The warranty and testing certification gave me full confidence.”

Anthony Rivera

Las Vegas, NV

2003 Hummer H1

“Affordable and dependable. This engine brought my Hummer back to life!”

Steve McDonald

Tampa, FL

2008 Hummer H3 5.3L V8

“Impressed with how smooth the reman engine runs. Quick shipping and great support.”

Karen Brooks

Phoenix, AZ

2007 Hummer H2

Searches

Popular remanufactured engine searches

Each one opens this page with that vehicle ready for a quote.

Questions

Common questions

Are remanufactured Hummer engines reliable?+

Every unit is completely rebuilt and dyno-tested to ensure equal or better performance than new engines.

What warranty do you offer?+

Our Hummer engines come with 12-month to 5-year warranty options, depending on the model and application.

How do I ensure the engine fits my Hummer?+

Provide your VIN, and we’ll verify exact fitment before shipping.

What does each remanufactured engine include?+

Each engine includes a rebuilt long block—cylinder block, heads, pistons, bearings, and gaskets. Accessories may be reused.

Do you ship nationwide?+

Yes. We offer nationwide freight delivery, including liftgate and residential options.

Will mechanics install remanufactured Hummer engines?+

Absolutely. Certified mechanics install them just like new engines—fitment and compatibility are guaranteed.

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Get a Certified Remanufactured Hummer Engine with Warranty Today

Call now or request a quote for a dyno-tested, certified Hummer engine shipped fast and ready for installation.

  1. Up to 3–5 years

    Warranty term

    Coverage runs up to 3–5 years. The sheet in the crate is the coverage.

  2. Matched

    Fitment

    Year, make, model, and the engine notes that change the part. A wrong application does not ship.

  3. Mon–Fri

    Hours

    (973) 917-3042 in English,
    (973) 567-7055 in Spanish.