Ford Grand Marquis For sale: Original Ford Grand Marquis computer (PCM) • Model: Specifically for Ford Grand Marquis cars. • Model Compatibility: Written on the part is model 2006, and it fits comparable models based on matching the part number. • Part Number: 5S804-AA. • Engine Capacity: 4.6L V8. • Condition: The part is very clean and in agency condition. • Technical Note: The internal pins are completely intact with no bending or corrosion. Best offer