03-04 2500 SILVERADO SIERRA TRANS TEMP INSTRUMENT CLUSTER SPEEDOMETER 15190827 GM ABS VIDEO ECM will now need programming

ECM will now need programming or coding to your vehicle

5C3A-12A650-MMB and VK2-C3594 - You must have both of the numbers on your part number sticker

9L3A-12A650-MH & 9C2A-12B684-AB - You must have both of these numbers on your original ecu

4L7T-14A067-AF - you must match this

You may need to rig a latch tie down however we believe this unit should install without issue

03-04 2500 SILVERADO SIERRA TRANS TEMP INSTRUMENT CLUSTER SPEEDOMETER 15190827 GM ABS VIDEO ECM will now need programmingPart Number 15190827 Mileage FREE MILEAGE PROGRAMMING 119,987 ***CHOOSE YOUR MILEAGE*** At checkout simply notate the mileage you need programmed into the cluster in the "message to seller" box and our techs will take it from there. Due to Ebay's strict shipping policies if we do not hear from you your item will ship with approximately 120k on it. Fitment Will fit the following vehicles. Please use the part number provided to verify fitment with your