2014-2015 Acura MDX 3.5L Used Engine
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6.5L Turbo Diesel GM H1 Hummer Engine 4L80 Trans ONLY 77k MILES Complete

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6.5L Turbo Diesel GM H1 Hummer Engine 4L80 Trans ONLY 77k MILES Complete For Sale

If you happen to be in the market for finding a excellent second hand Hummer engine for sale, simply visit Used Engine Finder. We let you instantly get in touch with a network of Hummer junkyards and engine importers, so you can find a very good deal on the most suitable replacement motor for your requirements.

There’s no need to waste time comparing prices when you have Used Engine Finder at your disposal. Simply let us know what you want and our merchants will respond with several estimates. You can be positive you’re receiving the best price since we deal directly with them.


So don’t throw away any more time and use Used Engine Finder to find the perfect engine for your Hummer.

  • Used Engine Finder will let you save time and cash by finding the right engine for your Hummer.
  • Obtain numerous quotes from our trusted shops.
  • By negotiating directly with engine companies, you can be certain you’re receiving the best deal achievable.
  • You may find motors for any and all vehicles here.
Best Engine Replacement Procedure
  1. Swap the engine’s oil, fuel and oil filters, and coolant.
  2. Install new engine and external coolers if existing.
  3. Cleanse the cooling system thoroughly, then replace the water pump.
  4. Renew necessary hoses and belts.
  5. Install a new timing belt, spark plugs, and wires.
  6. Replace essential gaskets and seals, focusing on the oil pan, front, and rear main seals.
  7. Clear the vehicle’s computer codes before engine installation.
  8. Ensure the replacement engine matches the original specifications.
  9. Transfer exhaust manifolds, mounts, distributor, and sensors from the old engine.
  10. Disable fuel and ignition before ignition to prime the oil.
  11. Ensure no plugs or tape remain on the engine before installation.
7 Common Mistakes to AVOID!
  1. Not resetting the vehicle’s computer codes before installation.
  2. Skipping the step of adding engine oil before the first startup.
  3. Forgetting to deactivate the fuel and ignition systems, essential for priming the oil.
  4. Ignoring the replacement of the oil cooler or the radiator’s integrated oil cooler.
  5. Overlooking the cleaning of the radiator and checking the operation of the cooling fans.
  6. Not swapping out the flywheel and its securing bolts.
  7. Trying to initiate the engine’s first run without proper priming.
Warranty Info
Review our Warranty, Return & Exchange policies before ordering. Standard Warranty: 30 days parts replacement. Extended Warranty: Optional 90 days. No labor costs covered. Defective parts may be replaced or refunded. Read more.