Replacement Water Separating Fuel Filter, Long
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You have 30 days to request a return. All sale items are final sale.
Help protect your engine’s fuel system with a Replacement Water Separating Fuel Filter (Long). Designed as a fuel/water separator filter for marine applications, it replaces contaminated or worn elements to support cleaner fuel delivery.
Key Features
- Fuel water separator filter replacement (Long)
- Helps separate emulsified water and reduce contaminants before fuel reaches the engine (depending on system design)
- Built for marine fuel filtration and maintenance intervals
Product Compatibility
- Marine engines and fuel systems that use a long fuel/water separating filter element in the corresponding position (consult your existing filter/part number and service diagram).
- Common marine gasoline outboard and sterndrive/engine fuel systems that require a water separating filter cartridge/canister style replacement matching the specified part number.
Product Details
- Product name: Replacement Water Separating Fuel Filter, Long
- Brand tags: Sierra
- Fuel filter type: Water separating fuel filter
- Catalog/SKU: 47-7945 (variant SKU)
- Package/weight (from variant data): 481 grams
- Note: This listing includes the filter identified in the product title and variant SKU; verify your application using your current filter’s part number and the fuel system service diagram.
Parts Desk Insights
Best Use Case: Best used as a maintenance replacement when your current water-separating fuel filter has reached its service life or when troubleshooting fuel/water contamination symptoms (e.g., poor running, suspected water in the fuel).
Common Issues: Common issues around fuel/water separators are incorrect filter orientation, not priming/bleeding after replacement, and reusing related hardware/gaskets incorrectly—always match the old filter’s sealing surfaces and follow the fuel system service procedure for your engine.
Related Products & Accessories
- Fuel Filters - Browse the fuel filters collection to match your engine’s filter style and replacement needs.
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.