OEM ECU PCM Engine Control Module 12573576 12574976 Delphi2003 Chevy Trailblazer

Used OEM Delphi ECU / PCM Engine Control Module from a 2003 Chevrolet Trailblazer.

Part numbers: 12573576, 12574976, 12579256

Removed from a running vehicle — clean pins, no corrosion or physical damage.

All mounting tabs intact. Case shows normal wear (see photos).

Manufacturer: Delphi Automotive Systems

Fits: 2003 Chevy Trailblazer (may fit other GM models – verify part number)

Condition: Used, tested, solid connectors, ready for reprogramming or replacement

Part Type: ECU / PCM (Engine Control Unit)

Location: Greenville, SC

⚙️ Note:

Programming or VIN reflash may be required before installation.

📦 Shipping:

Fast USPS or UPS Ground with tracking. Local pickup also available.