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This VIN Programmed Engine Control Module (ECU/ECM) 12589463 is a dependable OEM replacement unit designed for 2005-2006 Chevrolet Avalanche 6.0L vehicles. Each module is fully tested and programmed to your vehicle’s VIN before shipping to ensure proper compatibility and reliable engine performance.
As a used OEM electronic module, this unit may show normal cosmetic wear such as light scratches or marks. Any major damage is always clearly noted. Most modules may require installation and setup by a certified mechanic or dealership. We are not responsible for programming or installation costs.
Please verify that the part number matches your original unit exactly before purchasing, as compatibility is strictly based on part number.
Send via message or “Note to Seller” after purchase.
Orders are processed within 1–3 business days (Monday–Friday). Fast and secure worldwide shipping is included.
Returns accepted within 14 days. Item must be returned in original condition with packaging and order details included. Refund processed after inspection.
We will give a lifetime warranty with a core return and a $200 extra.
