Sierra 18-7660 Marine MAP Sensor for MPI Engines with ECM 555

The Sierra 18-7660 is a replacement Manifold Absolute Pressure (MAP) Sensor engineered for marine MPI (Multi-Point Injection) engines equipped with the ECM 555 engine control module. This sensor plays a critical role in engine management by monitoring intake manifold pressure, allowing the ECM to calculate the correct air/fuel mixture for optimal performance and efficiency.

Key Features:

• Direct replacement MAP sensor for marine MPI applications
• Compatible with V-6 and V-8 MPI engines using ECM 555
• Meets or exceeds original equipment specifications
• Sold as one (1) MAP sensor per package

Replaces OEM & Cross-Reference Part Numbers:

• Mercruiser: 881731, 861249, 861249A1, 8M0054726
• Volvo Penta: 3861321
• Indmar: S556102
• Mallory: 9-33604
• CDI Electronics: E13-0001

Sierra International is a leading manufacturer of aftermarket marine engine parts, offering comprehensive coverage across all major engine brands. Each Sierra component is built to meet or exceed the performance of the original equipment part it replaces, ensuring reliable operation in demanding marine environments.