Description

Mercury MerCruiser / Quicksilver Fuel Filter – 18458Q4

Protect your engine from fuel contamination with the genuine Mercury Marine / Quicksilver 18458Q4 Water-Separating Fuel Filter Kit. This OEM filter removes water and debris from gasoline before it reaches the fuel system, helping maintain proper engine performance and protecting injectors and fuel components from damage.

Designed to Mercury Marine’s original equipment specifications, the filter includes the canister element, O-ring, and blue screw-in water-warning sensor used on many Mercury outboard engines.

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Key Features

• Genuine Mercury / Quicksilver OEM fuel-water separating filter

• 10-micron filtration removes water and harmful contaminants

• Includes blue water-warning sensor and sealing O-ring

• Durable corrosion-resistant canister construction

• Designed for quick replacement during routine maintenance

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Compatible Mercury Engines

Commonly used on Mercury and Mariner V-6 EFI / DFI outboard engines (1996 and newer) where the filter is located under the engine cowl.

Examples include many:

• 150 HP V-6 EFI outboards

• 175 HP V-6 EFI outboards

• 200 HP V-6 EFI / DFI outboards

• 225 HP V-6 EFI / DFI outboards

• 250 HP V-6 EFI / DFI outboards

Exact compatibility depends on engine model and serial number range.

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Service Recommendation

Mercury recommends replacing the fuel filter every 100 hours of operation or at least once per boating season to maintain proper fuel system performance and prevent contamination.

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Important Compatibility Note

Fuel filters may vary by engine model, fuel system configuration, and serial number range. Always verify compatibility using the engine serial number before ordering the replacement filter.

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