Description

Mercury MerCruiser / Quicksilver Fuel Pump Kit – 866170A01

Restore reliable fuel delivery with the genuine Mercury Marine / Quicksilver 866170A01 Fuel Pump Kit. This OEM kit includes a low-pressure electric lift fuel pump used in MerCruiser engines equipped with the Gen III Cool Fuel module, supplying fuel from the tank to the high-pressure EFI fuel system.

Manufactured to Mercury Marine’s original equipment specifications, the pump ensures proper fuel pressure and consistent engine performance for MerCruiser sterndrive and inboard gasoline engines.

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Key Features

• Genuine Mercury / Quicksilver OEM fuel pump kit

• Low-pressure electric lift pump for EFI fuel systems

• Designed for engines with Gen III Cool Fuel fuel modules

• Maintains consistent fuel supply to the high-pressure pump

• Built for durability in marine fuel system environments

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Part Details

• OEM Part Number: 866170A01

• Product Type: Low-pressure electric fuel pump assembly

• UPC: 745061659872

• Replacement / Cross Reference: Sierra 18-8865

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Compatible Mercury MerCruiser Engines

Commonly used on MerCruiser GM-based V8 engines with Gen III Cool Fuel systems, including:

• 5.0L (305 CID) V8 engines

• 5.7L (350 CID) V8 engines

• 377 CID engines

• 496 CID engines

• 502 CID engines

Exact compatibility depends on engine model and serial number range.

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Function

The lift pump draws fuel from the tank and delivers it to the Cool Fuel module, where the high-pressure pump then supplies fuel to the EFI injectors. A properly functioning lift pump ensures stable fuel pressure and smooth engine operation.

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Important Compatibility Note

Fuel pump assemblies vary by engine model, fuel module type, and serial number range. Always verify compatibility using the engine serial number before ordering to ensure the correct replacement part.

Shipping: Ships same or next day for fast Canada wide shipping.