Volvo Penta Air Filter Insert | OEM Part 21646645
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Volvo Penta Air Filter Insert — OEM Part 21646645
Genuine Volvo Penta OEM air filter insert for compatible Volvo Penta marine diesel engines. This filter element is the correct replacement for the engine air intake system, protecting the engine from airborne contaminants and maintaining proper airflow for combustion efficiency.
Part Information
- Part Number: 21646645
- Brand: Volvo Penta
- Official Product Type: Air Filter Insert / Element
- System: Engine Air Intake
Supersession & Cross-Reference
- Current OEM Part Number: 21646645
- Confirm the current part number against your engine’s parts diagram before ordering — Volvo Penta air filter specifications vary by engine series and production range
- A related air filter insert is also available as OEM Part 21702999 (D4/D6/D9/D11 series) and OEM Part 876185 — verify which part number your engine requires
Compatible Applications
- Volvo Penta marine diesel engines where the parts diagram specifies air filter insert 21646645
- Always confirm fitment by your exact Volvo Penta engine model and serial number before ordering — air filter specifications vary by engine series and production year
Serial Number & Fitment Notice
Verify fitment using your Volvo Penta engine serial number and the corresponding parts diagram. Air filter insert specifications can vary across engine generations and production ranges within the same engine family. Do not assume fitment based on engine model alone.
Service Interval
- Replace at the interval specified in your Volvo Penta engine service manual — typically every 250–500 hours or annually, whichever comes first
- Inspect more frequently in dusty or high-particulate environments
- Replace immediately if the element is damaged, saturated, or heavily contaminated
- Never operate the engine without a properly seated air filter element
Installation Notes
- Clean the filter housing and sealing surfaces before installing the new element
- Inspect the housing for cracks or damage that could allow unfiltered air to bypass the element
- Ensure the element is fully seated and the housing is properly secured before starting the engine
- Do not attempt to clean and reuse a paper filter element — replace with a new OEM part
Technical FAQ
Can I clean and reuse this filter element?
No. This is a paper filter element and should be replaced, not cleaned. Attempting to clean a paper element can damage the filter media and allow contaminants to pass through to the engine.
How do I know when the air filter needs replacing?
Replace at the service interval in your Volvo Penta manual, or earlier if the element appears dirty, damaged, or if you notice reduced engine performance or increased smoke. On engines with an air restriction indicator, replace when the indicator signals.
Parts Desk Insights
Best Use Case: This is the correct OEM replacement for Volvo Penta diesel engine owners performing scheduled air intake service. It is particularly well-suited for annual haul-out service kits where all filters are replaced together to maintain the engine’s service record and warranty compliance.
Common Customer Issue: Customers occasionally order without confirming the part number against their engine’s parts diagram. Volvo Penta uses several different air filter inserts across the D-series engine range — always cross-reference 21646645 against your engine serial number before ordering to avoid receiving the wrong element profile.
Related Products
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
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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.
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