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This VIN Programmed Engine Control Module (ECU/ECM) 12583826 is designed for the 2003 Buick Regal. It is a tested OEM replacement unit built to restore proper engine performance, fuel management, and overall drivability.
Each unit is programmed to your vehicle’s VIN for easy installation. Please verify that the part number matches your original module before purchase to ensure proper compatibility.
We Ship Worldwide. VIN Programmed. Please remove the one year and two year warranty from the product page. We will give a lifetime warranty with a core return and a $200 extra.
We offer fast worldwide shipping. Orders are processed within 1–3 business days and carefully packaged for safe delivery.
A refundable core charge applies to your order. Once the original core is returned in rebuildable condition, the refund will be issued to your original payment method. A prepaid return label is included, and the core must be returned within 14 days.
This unit includes a Lifetime Warranty with core return. An additional $200 applies for warranty upgrade where applicable.