Volvo Penta Fuel Filter Water Separator 6-Micron 3847644
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
The Volvo Penta Fuel Filter 3847644 is a genuine OEM fuel filter / water separator for compatible Volvo Penta gasoline marine engines. It helps remove water, dirt, rust, and other fuel contamination before it reaches the engine, supporting cleaner fuel delivery and reliable performance.
Key Features
- Genuine Volvo Penta fuel filter / water separator
- Part number: 3847644
- High-capacity filter design
- 6-micron filtration
- Commonly used on Volvo Penta V6 and V8 gasoline inboard engines
- Commonly associated with 4.3L, 5.0L, 5.7L, and 8.1L Volvo Penta gasoline applications
- Approximate dimensions: 78 mm diameter x 86–115 mm height, depending on reference source
- Common replacement for 3851218, 3852413, and 3862228
- Suitable for routine fuel-system maintenance
Engine Compatibility
Commonly associated with Volvo Penta gasoline V6/V8 engine families including 4.3, 5.0, 5.7, 8.1, V6, and V8 applications. Fitment can vary by engine model, fuel pump module, and serial number.
Serial Number Fitment Notice
Fuel filter fitment should always be confirmed by engine model and serial number before ordering. Similar Volvo Penta gasoline engines can use different fuel filters depending on year, fuel-system layout, and filter head configuration.
When This Part Needs Replacement
Replace the fuel filter during scheduled maintenance, after fuel contamination, when water is found in the fuel system, or if the engine shows symptoms such as hard starting, hesitation, loss of power, rough running, restricted fuel flow, or poor high-rpm performance.
Installation Notes
Shut off fuel supply where applicable, remove the old filter carefully, clean the sealing surface, lightly lubricate the new gasket, and install according to Volvo Penta service procedure. Prime the fuel system as required and check carefully for leaks before operating the engine under load.
Alternate/Superseded Part Numbers
Related references include:
- 3847644
- 3862228
- 3852413
- 3851218
- Sierra 18-8149
- EMP 35-37802
- Mercury 8M0154758
Parts Desk Insight
This filter is commonly used on Volvo Penta gasoline V6/V8 applications, but the safe match is still the filter head and engine serial number. Fuel filters that look similar can differ in height, thread, seal profile, or filtration rating.
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.