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This VIN Programmed Engine Control Module (ECU/ECM) 12588930 is a high-quality OEM replacement unit designed for 2004 Pontiac Grand Prix 3.8L vehicles. Each module is fully tested and programmed to your vehicle’s VIN before shipping to ensure correct compatibility and reliable performance.
We will give a lifetime warranty with a core return and a $200 extra.
As a used electronic module, this unit may show normal cosmetic wear such as light scratches or marks. Any major damage is always clearly noted. Proper installation and programming (if required) must be completed by a certified mechanic or dealership. We are not responsible for programming or installation costs.
You can send this via “Note to Seller” at checkout or through message/email after purchase.
Orders are processed within 1–3 business days (Monday–Friday). Estimated delivery is 1–3 business days after dispatch. Free shipping is included, and worldwide shipping is available.
Returns are accepted within 14 days of purchase. Item must be returned in original condition with original packaging and order number included.
Please verify that part number 12588930 matches your original unit exactly before purchasing. Compatibility is strictly based on part number. We are not responsible for programming or installation costs. Customer support is available before purchase if you have any questions.