Engine Control Module (ECM) - GM (88999147)

# Product Description Upgrade your vehicle's engine performance with the Genuine GM OEM Engine Control Module (ECM) MPN 88999147, the critical computer component that manages fuel injection, ignition timing, and emissions control. This authentic General Motors factory part is engineered for select GM vehicles and delivers reliable engine management and optimal performance. With stamped identification #1227783, this ECM ensures your engine runs at peak efficiency with proper sensor calibration and fault diagnostics. - **Part Type:** Engine Control Module (ECM) – factory engine computer for precise fuel and ignition management - **OEM Fitment:** Genuine General Motors part designed for select GM vehicles with 3.8L engine specifications and compatible with 2.73 and 2.97 drive ratio configurations - **Key Function:** Controls fuel injection timing, ignition spark advance, and emissions systems to maximize engine performance and fuel economy - **Compatibility:** Direct replacement ECM for GM vehicles requiring stamped module #1227783 specifications - **Condition:** Genuine OEM – authentic factory part backed by GM engineering standards and quality assurance