Volvo Penta Seawater Filter 21457172
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Volvo Penta Seawater Filter – 21457172
Maintain proper cooling system performance with the genuine Volvo Penta 21457172 Seawater Filter. This OEM seawater strainer filters debris and contaminants from raw cooling water before it enters the engine’s cooling system, helping protect the heat exchanger and seawater pump from damage.
Built to Volvo Penta’s original equipment specifications, this filter housing and strainer assembly is designed for reliable operation in demanding marine environments and ensures consistent cooling system performance.
Key Features
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Genuine Volvo Penta OEM seawater filter / strainer
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Removes debris and contaminants from incoming seawater
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Helps protect the seawater pump, heat exchanger, and cooling system
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Durable construction for marine cooling system applications
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Designed for Volvo Penta diesel propulsion systems
Replaces / Supersedes
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3889148
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3809070
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3582986
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3809071
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3583338
Compatible Volvo Penta Engines
Commonly used on Volvo Penta diesel engines including:
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D4 Series – D4-210, D4-225, D4-260, D4-300 variants
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D6 Series – D6-280, D6-310, D6-330, D6-350, D6-370, D6-435 variants
Important Compatibility Note
Volvo Penta parts can vary by engine model and production run. Always verify compatibility using your engine serial number to ensure the correct seawater filter for your specific engine.
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.