In-Line Fuel Filter
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Sierra in-line fuel filter (SKU 47-7831) for use on marine fuel systems with a 3/8" fuel line.
Key Features
- In-line fuel filter design for simple placement in the fuel line
- Helps protect fuel system components by filtering contaminants before they reach the engine
- UPC: 030999237439
Product Compatibility
- Marine gasoline outboard/inboard fuel systems that use an in-line filter setup (universal fitment to the specified fuel line size)
Product Details
- Product: In-Line Fuel Filter
- Brand/Line: Sierra
- SKU: 47-7831
- UPC: 030999237439
- Type: In-Line Fuel Filter
- Application noted for 47-7831: 3/8" fuel line
- Micron rating: 10
- Fuel line connection size (barb): 3/8" (noted as 3/8" / 9.5 mm)
- Replaces: Johnson/Evinrude 398319 and Mercury 802128A1 (as listed for this filter cross-reference)
Parts Desk Insights
Best Use Case: A practical choice for routine fuel system maintenance when you’re replacing an in-line filter on a 3/8" fuel line setup.
Common Issues: Most common service hiccups are mis-sizing the fuel line/barb connection and neglecting to inspect/replace related fuel line hardware (e.g., clamps) after installation. Verify the line size at the mating points before installing.
Related Products & Accessories
- Fuel Filters - Browse additional marine fuel filtration options.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 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.