Description

Mercury MerCruiser / Quicksilver Fuel Filter – 879885K

Maintain clean fuel delivery and protect your engine with the genuine Mercury Marine / Quicksilver 879885K Inline Fuel Filter. This OEM under-cowl inline filter removes debris, moisture, and contaminants from gasoline before the fuel reaches the engine’s EFI system, helping maintain smooth performance and preventing injector or fuel-pump damage.

Designed specifically for modern Mercury FourStroke fuel systems, this filter is easy to access for routine maintenance and replacement.

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Key Features

• Genuine Mercury / Quicksilver OEM inline fuel filter

• Removes fuel contaminants and moisture before reaching the engine

• Protects fuel injectors, pumps, and EFI components

• Under-cowl inline design for quick service and replacement

• Built to Mercury Marine OEM filtration and flow specifications

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Part Details

• OEM Part Number: 879885K

• Also referenced as 35-879885K in Mercury parts catalogs

• Fuel Line Size: approx. 8 mm / 5⁄16-inch inline connection

• Product Type: Inline gasoline fuel filter

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Compatible Mercury Engines

Commonly used on Mercury FourStroke outboard engines, including:

• 30–40 HP EFI FourStroke (3-cylinder)

• 40–60 HP EFI FourStroke (996 cc)

• 75–115 HP EFI FourStroke (1.7L and 2.1L)

• 150 HP EFI FourStroke

• 135–300 HP Verado outboards (L4 and L6)

Exact fitment depends on engine model and serial number range.

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Function

The filter is installed in the fuel line under the engine cowl, capturing particles and water before the fuel reaches the high-pressure EFI system. Clean fuel improves engine reliability, prevents injector clogging, and helps maintain optimal engine performance.

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Important Compatibility Note

Fuel filters vary depending on engine model, fuel system configuration, and serial number range. Always verify compatibility using the engine serial number or existing filter part number before ordering.

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