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Engine Computer

Shop online for top-tier OEM PCM, ECM, PCU, and ECU replacements tailored to your car’s make and model. Our extensive selection guarantees a perfect fit, sourced directly from salvage yards, cleaned, and inspected. Experience the best quality engine computers at competitive prices. Explore our inventory by make, model, year, or part number for a direct ECM replacement. Ensure a seamless fit by matching the part numbers on your engine computer tag with those on our quality replacements. At OEM Used Auto Parts, discover the perfect used engine control modules for all popular models and drive with confidence.

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Picture of 2007-2008 Ford Expedition Engine Computer Ecu Pcm Ecm Pcu Oem 689579
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90 DAYS WARRANTY

Make :

FORD

Model :

EXPEDITION
Picture of Dodge Caravan Engine Computer Ecu Pcm Ecm Pcu Oem P05150778ab 689709
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90 DAYS WARRANTY

Make :

DODGE

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CARAVAN
Picture of 2017-2018 Mazda 3 Engine Computer Ecu Pcm Ecm Pcu Oem Psap 18 881 689815
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90 DAYS WARRANTY

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MAZDA

Model :

3
Picture of 2006-2006 Nissan Titan Engine Computer Ecu Pcm Ecm Pcu Oem 690018
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90 DAYS WARRANTY

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NISSAN

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TITAN
Picture of Dodge Charger Engine Computer Ecu Pcm Ecm Pcu Oem P08243309ab 689600
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90 DAYS WARRANTY

Make :

DODGE

Model :

CHARGER
Picture of 2019 Alfa Romeo Stelvio Engine Computer Ecu Pcm Ecm Pcu Oem 50559852 689788
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90 DAYS WARRANTY

Make :

ALFA ROMEO

Model :

STELVIO
Picture of 2021 Mitsubishi Mirage Engine Computer Ecu Pcm Ecm Pcu Oem 689462
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90 DAYS WARRANTY

Make :

MITSUBISHI

Model :

MIRAGE
Picture of 2017-2017 Toyota Tacoma Engine Computer Ecu Pcm Ecm Pcu Oem 689633
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90 DAYS WARRANTY

Make :

TOYOTA

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TACOMA

ECU Replacement FAQs

1. What is the difference between ECU, ECM, and PCM?

An ECU is the Engine Control Unit, an ECM is the Engine Control Module, and a PCM is the Powertrain Control Module. These terms are used interchangeably but can sometimes have precise applications or functions within the vehicle’s electronic control system, so checking your model specifications is essential.

2. Does a used ECM need to be reprogrammed?

Depending on your vehicle’s make and model, reprogramming may be required for optimal performance when it comes to an ECM replacement or used engine computer. Always check manufacturer guidelines or contact us to determine if reprogramming is required for a particular used ECM.

3. What should I do after replacing an ECU?

After installing your engine control computer replacement, it is advisable to perform an initialization or reprogramming procedure and check for diagnostic trouble codes specified by your vehicle’s manufacturer. This ensures proper integration with the car’s systems.