⚡ Unlock your Silverado’s true potential with precision-engineered power!
This 2003 Silverado Engine Computer (ECM) 12576106 is programmed to your vehicle's VIN for perfect compatibility. Designed for 4.3L to 6.0L engines across Silverado 1500, 2500, and 3500 models, it offers plug-and-play installation with included instructions, ensuring a seamless upgrade that restores optimal engine performance.
G**
Good quality
Works great
J**D
Works great
Delivered as titled and works just like it’s supposed too. Thanks
Trustpilot
3 weeks ago
2 months ago