Technical Reference
Tech Info
Technical reference for MerCruiser EFI component identification, serial number decoding, and OEM cross-reference guidance.
EFI Component Identification
How to identify IAC valves, TPS sensors, MAP/MAPT sensors, and fuel injectors by OEM number and physical characteristics.
Coming SoonSerial Number Decoding
Understanding MerCruiser engine serial number formats and what they tell you about your engine application.
Coming SoonOEM vs. Aftermarket Cross-Reference
How current OEM numbers, historical OEM numbers, and aftermarket cross-references relate to each other.
Coming SoonFuel Pressure Regulator Identification
Identifying the correct rail-mounted and cooler-mounted fuel pressure regulators for MerCruiser MPI applications.
Coming SoonOEM Cross Reference — available now
Look up current and historical Mercury/MerCruiser OEM part numbers to find the correct replacement for your application.