Yanmar Filter 4412-012
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Yanmar Primary Fuel Filter / Water Separator – 4412-012
Protect your marine diesel engine with the genuine Yanmar 4412-012 Primary Fuel Filter / Water Separator. This OEM filtration element removes water, dirt, and other contaminants from diesel fuel before it reaches the engine’s fuel system, helping maintain proper fuel flow and protecting sensitive injection components.
Designed specifically for Yanmar marine engines, this filter provides reliable filtration and helps prevent fuel-system damage caused by water contamination or debris.
Key Features
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Genuine Yanmar OEM fuel filter / water separator element
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30-micron filtration removes water and contaminants from diesel fuel
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Helps protect fuel injectors and high-pressure fuel pumps
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Maintains consistent fuel flow and engine efficiency
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Designed for marine diesel engine applications
Part Details
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OEM Part Number: 4412-012 (also referenced as 4412012)
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Product Type: Primary fuel filter / water separator element
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Filtration Rating: 30 micron
Compatible Yanmar Engines
Commonly used with Yanmar marine diesel fuel filtration systems, including engines such as:
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4LHA series marine diesel engines
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6LPA series marine diesel engines
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Other Yanmar marine engines using the 4412 fuel filter assembly
Exact compatibility may vary depending on engine model and fuel system configuration.
Function
The filter separates water and microscopic particles from diesel fuel before it enters the engine’s fuel injection system. Clean fuel improves engine reliability, prevents injector damage, and helps maintain optimal engine performance.
Important Compatibility Note
Fuel filters vary depending on engine model, fuel system configuration, and installation setup. Always verify compatibility using the engine model and serial number before ordering to ensure the correct replacement part.
Shipping: Ships 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.