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MerCruiser® MAP & MAPT Sensors
Manifold Absolute Pressure (MAP) and combined Manifold Absolute Pressure and Temperature (MAPT) sensor replacements for MerCruiser® EFI and MPI engines.
MAP and MAPT are not interchangeable. MAP sensors measure manifold pressure only. MAPT sensors combine pressure and temperature sensing. The ECM-555 generation uses a MAPT sensor (885165 / 8M0087834) — do not substitute a MAP-only sensor.
Have Your OEM Part Number?
Enter your existing MerCruiser® MAP or MAPT OEM number to find the current replacement family.