856496 12 ECU, Engine Control Unit Mercury 1200473UD ECU Price: query Add to cart Go to cart Rating: 38 Buy ECU, Engine Control Unit 856496 12 Mercury genuine, new aftermarket parts with delivery Number on catalog scheme: 34 Compatible models: 1200473UD Mercury Mercury entire parts catalog list: 1200473UD 1998 ELECTRICAL COMPONENTS » 856496 12 Parts ecu Mercury: 856496 13 856496 13 ECU, Engine Control Unit 1200473UD