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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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2018-2020 Nissan Maxima Engine Control Computer Ecu Pcm Ecm Pcu Oem 557947 - Oemusedautoparts1.com
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90 DAYS WARRANTY

Make :

NISSAN

Model :

MAXIMA
2006-2009 Ford Focus Engine Control Computer Ecu Pcm Ecm Pcu Oem 6gmxt06 733706 - Oemusedautoparts1.com
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90 DAYS WARRANTY

Make :

FORD

Model :

FOCUS
2003-2003 Ford Escape Engine Control Computer Ecu Pcm Ecm Pcu Oem 733707 - Oemusedautoparts1.com
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90 DAYS WARRANTY

Make :

FORD

Model :

ESCAPE
2006-2008 Buick Lucerne Engine Control Computer Ecu Pcm Ecm Pcu Oem 745170 - Oemusedautoparts1.com
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90 DAYS WARRANTY

Make :

BUICK

Model :

LUCERNE
2005-2005 Chevrolet Cobalt Engine Control Computer Ecu Pcm Ecm Pcu Oem 742353 - Oemusedautoparts1.com
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90 DAYS WARRANTY

Make :

CHEVROLET

Model :

COBALT
2004-2004 Chevrolet Tahoe Engine Control Computer Ecu Pcm Ecm Pcu Oem 742358 - Oemusedautoparts1.com
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90 DAYS WARRANTY

Make :

CHEVROLET

Model :

TAHOE
2008-2010 Chevrolet Malibu Engine Control Computer Ecu Pcm Ecm Pcu Oem 742527 - Oemusedautoparts1.com
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90 DAYS WARRANTY

Make :

CHEVROLET

Model :

MALIBU

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.