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Engine Family

MerCruiser® 350 MPI / 5.7L Replacement Parts

The MerCruiser® 350 MPI and 5.7L MPI are among the most widely deployed gasoline marine engines in the MerCruiser lineup. Multiple injector families were used across production years — verify your engine model and serial number before ordering any replacement part.

Fitment Notice: Verify the OEM part number, engine application and relevant specifications before ordering. Contact us before purchase if you are uncertain about compatibility.

Available 350 MPI / 5.7L Replacement Parts

Products are added as they are sourced and verified. Check back as the catalog grows.

MerCruiser 350 MPI / 5.7L Fuel Injector

DMP-FI-350MPI

MerCruiser 350 MPI / 5.7L Fuel Injector

Fits: MerCruiser 350 MPI / 5.7L MPI

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Know Your OEM Part Number?

If you have an existing MerCruiser® OEM part number, search below to find available aftermarket replacement options. OEM part numbers can typically be found in your engine service manual, on the original component, or through your dealer.

Servicing Your MerCruiser® 350 MPI / 5.7L?

When servicing EFI or fuel-system components on your 350 MPI / 5.7L, it is generally good practice to inspect related sensors, seals and fuel-system components at the same time. Replacing worn seals or a failing sensor alongside a primary repair can help avoid a return visit.

Customers Replacing This Part Also Consider

Related part suggestions will appear here once products are verified and listed.

MerCruiser® 350 MPI / 5.7L Parts & Technical Resources

Reference guides and diagnostic resources for the 350 MPI / 5.7L. Content is added as it is developed and verified.

350 MPI / 5.7L Fuel Injector Identification

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OEM Part Number Cross Reference

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EFI Sensor Identification

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Common EFI / Fuel-System Symptoms

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Installation & Service Resources

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