Engineered Marine Products 35-37806 Fuel Water Separator Filter with Sensor, Replaces Mercury 35-18458Q4, V6 EFI 1996-Up

The Engineered Marine Products 35-37806 is a fuel water separator filter built with an integrated water-in-fuel sensor, designed to trap contaminants and separate water from fuel before it reaches the engine. The filter element uses a 10 micron rating to catch fine debris and moisture that can cause corrosion, hesitation, and injector wear over time. Its housing is finished in blue and includes the sensor port so boaters can monitor water accumulation without disassembling the filter. This filter is built to fit Mercury V6 EFI outboards from 1996 and up, making it a direct-fit replacement for boaters running EFI-equipped Mercury V6 powerheads who need to swap out a worn or contaminated separator. It functions as an equivalent to the Mercury Quicksilver 18-7968 fuel water separator, matching the same 10 micron filtration performance and sensor-equipped configuration. Installation follows the same in-line service procedure as the OEM unit it replaces, so no modification to existing fuel lines or mounting brackets is required. Engineered Marine Products manufactures this filter to OEM standards for both original equipment and marine aftermarket use, giving boat owners a reliable, competitively priced option for routine fuel system maintenance.

Specifications

• Brand: Engineered Marine Products
• Manufacturer Part Number: 35-37806
• Micron Rating: 10 micron
• Sensor: Included (water-in-fuel sensor)
• Color: Blue
• Fitment: Mercury V6 EFI, 1996-Up
• OEM Cross-Reference: 35-18458Q4, 35-184585
• Weight: 1.03 pounds
• Product Dimensions: 5.51 x 5 x 3.66 inches
• Exterior Finish: Machined
• UPC: 840080415918

Fitment

• Mercury V6 EFI, 1996-Up

Replaces (OEM)

• 35-18458Q4
• 35-184585

Frequently Asked Questions

What does the 35-37806 fuel water separator filter fit? This filter is designed to fit Mercury V6 EFI outboards from 1996 and up.

Does this filter include a water-in-fuel sensor? Yes, the 35-37806 comes with an integrated sensor so you can monitor water accumulation in the fuel without removing the filter housing.

What micron rating does this fuel filter use? It is rated at 10 microns, which filters fine particulates and separates water from fuel before it reaches the engine.

Is the 35-37806 equivalent to a Mercury Quicksilver part? It is built as an equivalent to the Mercury Quicksilver 18-7968 fuel water separator, matching its 10 micron rating and sensor-equipped design.

Which OEM part numbers does the 35-37806 cross-reference? It cross-references Mercury part numbers 35-18458Q4 and 35-184585.

How much does the fuel water separator filter weigh? The 35-37806 weighs 1.03 pounds.

What are the dimensions of this filter? The 35-37806 measures 5.51 x 5 x 3.66 inches.

What color is the filter housing? The housing is blue and includes the sensor port for water detection.

Is this a genuine Mercury part or aftermarket? The 35-37806 is manufactured by Engineered Marine Products as an aftermarket unit built to OEM standards, not a Mercury-branded part.

Can this filter be installed without modifying existing fuel lines? Yes, since the 35-37806 is designed as a direct-fit equivalent for Mercury V6 EFI outboards, it installs using the same in-line fuel system setup as the unit it replaces.

What finish does the filter housing have? The 35-37806 has a machined exterior finish.