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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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2014-2015 Kia Optima Engine Control Computer Ecu Pcm Ecm Pcu Oem 3678 - Oemusedautoparts1.com
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90 DAYS WARRANTY

Make :

KIA

Model :

OPTIMA
2014-2014 Nissan Maxima Engine Computer Ecu Pcm Ecm Pcu Oem A1h-3md At 5666 - Oemusedautoparts1.com
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90 DAYS WARRANTY

Make :

NISSAN

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MAXIMA
2007-2007 Infiniti M45 Engine Computer Ecu Pcm Ecm Pcu Oem Mec85-870 C1 5680 - Oemusedautoparts1.com
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90 DAYS WARRANTY

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INFINITI

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M45
2014-2014 Pathfinder Nissan Engine Computer Ecu Pcm Oem Bem3b1-300 A1 20371 - Oemusedautoparts1.com
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90 DAYS WARRANTY

Make :

PATHFINDER

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NISSAN
Versa Nissan Engine Computer Ecu Pcm Ecm Pcu Oem Bem336-300 A1 20410 - Oemusedautoparts1.com
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90 DAYS WARRANTY

Make :

VERSA

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NISSAN
2017-2019 Verano Buick Engine Computer Ecu Pcm Oem 12667189 20421 - Oemusedautoparts1.com
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90 DAYS WARRANTY

Make :

VERANO

Model :

BUICK
2011-2011 Altima Nissan Engine Computer Ecu Pcm Oem Mec114-080 B2 20433 - Oemusedautoparts1.com
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90 DAYS WARRANTY

Make :

ALTIMA

Model :

NISSAN
Altima Nissan Engine Computer Ecu Pcm Ecm Pcu Oem Bem400-300 A1 20467 - Oemusedautoparts1.com
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90 DAYS WARRANTY

Make :

ALTIMA

Model :

NISSAN

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.