Replacement Water Separating Fuel Filter, Long

Help protect your engines 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 filters 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 incorrectlyalways match the old filters 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 engines filter style and replacement needs.