Mercury MerCruiser Fuel Filter - 8M0204703
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Mercury MerCruiser Fuel Filter – 8M0204703
Maintain clean fuel delivery and protect your engine with the genuine Mercury MerCruiser 8M0204703 Fuel Filter. This OEM water-separating fuel filter disc removes water and contaminants from gasoline before it reaches the fuel injection system, helping ensure reliable engine performance and protecting sensitive fuel system components.
Designed to Mercury Marine’s original equipment specifications, this filter installs inside the Gen III fuel cooler assembly used on many MerCruiser sterndrive and inboard engines.
Key Features
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Genuine Mercury / Quicksilver OEM fuel filter
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Water-separating filter element removes moisture and contaminants
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Protects fuel injectors, pumps, and fuel system components
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Designed for Gen III Cool Fuel / fuel cooler systems
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Durable filtration media for marine gasoline engines
Replaces / Cross Reference
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35-892665 (previous OEM part number)
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Sierra 18-7715 aftermarket equivalent
Compatible MerCruiser Engines
Commonly used on 2004 and newer Mercury MerCruiser sterndrive and inboard engines equipped with Gen III fuel cooler systems, including engines such as:
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5.0L MPI
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5.7L MPI / 350 MAG
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6.2L MPI
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496 MAG
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8.1L inboard and tow-sport engines
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Scorpion 350 / 377 HO
Compatibility depends on the engine being equipped with the Gen III Cool Fuel module.
Important Compatibility Note
This filter is designed specifically for engines with the Gen III fuel cooler system (2004 and newer). Always verify compatibility using the engine serial number or existing filter part number before ordering.
OEM parts ship same or next day for fast Canada wide shipping.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.