2009-2012 Acura RL 3.7L Used Engine
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13B Series 5 NA Non 89-91 Mazda Rotary Engine Motor Block RX7

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13B Series 5 NA Non 89-91 Mazda Rotary Engine Motor Block RX7 For Sale

Used Engine Finder is the better location to find a high-quality 2nd hand Mazda engine for sale. We will let you quickly get in touch with a community of Mazda vehicle dismantlers and engine importers, so that you can get the best deal for the best 2nd hand engine to meet your needs.

With Used Engine Finder, you don’t need to spend time doing your research. Just let us know what you’re trying to find, and our suppliers get you various deals. You can rest assured you’re receiving the very best price since we work directly with them.


Look for your ideal Mazda engine using Used Engine Finder right now!

  • Save time and cash by using Used Engine Finder to find the best used motor.
  • Get quotes from numerous of our honest engine shops.
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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.