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2005 Buick LaCrosse Engine Computer PCM 12591278 GM OEM

Factory OEM direct-replacement automotive electronics component.

  • Part number: 12591278
  • Compatible OEM/interchange number(s): 590-07577, 12596624
  • Programming: This unit was represented as programmed or plug-and-play for its listed application; vehicle-specific setup, relearn, coding, or calibration may still be required.

Fitment and compatibility: 2005 Buick LaCrosse Engine Computer PCM GM

Match the part number, compatible numbers, connector layout, controls, equipment package, and vehicle options to the original component before purchase. Similar-looking units may use the same plugs while requiring different equipment or programming.

Please review every product photo for connector layout, included components, and cosmetic condition.

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