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Ensuring your vehicle's fuel system is free from water contamination is crucial for optimal performance and longevity. A quality fuel and water separator acts as a critical barrier, protecting your engine from potential damage and costly repairs. Selecting the right separator involves understanding key features and your specific needs.
【Marine Diesel & Water separator】: Perfect for a variety of universal fuel applications, replacement for Marine Outboard Motor Mercury.
【Part number】: replacement for Mercury 35-60494-1,S3213, B32013,18-7932-1, 18-7932, 18-7928-1, 18-7928 ; Filter Replaces for Mercury Marine 35-809097 ; replacement for Yamaha MAR-24563-03-00, 18-7919, 18-7919-1;Bowl Replaces...
【3/8 NPT ports】: Fuel Water Separator 3/8 NPT ports offer lower pressure drop rates.10 micron filters are over 92% efficient at removing particles as small as 10 microns, Trap The Smallest particles and emulsified water from gasoline. So a clean fuel...
【HIGH QUALITY】: The filter is constructed of premium aluminum material for long lasting durability and reliability.multi-layer filter and superior sealing components to ensure leakage resistance and extreme durability under various operating...
【Package included】: As pictures show,It comes 1 x Fuel Water Separator Marine with 3/8-Inch Barb x 1/4-Inch NPT brass fittings.
【ABOUT SERVICE】：Durable and Long Lasting Diesel & Water separator，the customer service period is 1 year.Note: Please check the display pictures and OEM to see before purchase.
【APPLICATIONS & REPLACE PART NUMBER】- For R12T marine water fuel separator kit: NPT,ZG1/4-19 ( Port / Connecting Size M18 X 1.5 Center Thread ) REPLACES PART# Replace R12T, S3240, 18-7947, 187947, 17670-ZW1-030GH, 99105-20006, 9-37812, 17670ZW1030GH...
【WIDE ADAPTABILITY】- Designed for 1/4-inch NPT interface, it is suitable for all kinds of marine gasoline and diesel engines, and also suitable for tractors, skid steers and other compact off-road diesel equipment, with great versatility.
【HIGH-EFFICIENCY FILTRATION】- Adopting advanced filtration technology, it can effectively separate water and impurities in the fuel, with a filtration efficiency of up to 99%, filtering pollutants of 4 microns and above, providing clean fuel for the...
【HIGH-FLOW DESIGN】- Maximum flow rate of 15 gallons per hour (57 liters per hour) under diesel fuel conditions ensures that the engine will continue to receive a sufficient and stable supply of fuel during operation, resulting in strong power and...
【RELIABLE AND USER-FRIENDLY DESIGN】- Featuring a highly transparent filter cup for easy monitoring of fuel quality and water accumulation, this product enables timely drainage and is designed for straightforward disassembly and...
[Vehicle Fitment]: Compatible with R12T marine fuel water separator kits. Includes fittings for 3/8" ID fuel hose; the 1/4" size refers to the threaded fitting connection, not the fuel line size. Center thread: M18 × 1.5; port thread: NPT/ZG...
[Structure]: Spin-on filter design allows easy replacement. The reusable clear nylon bowl includes a self-draining valve—tighten to stop water discharge, loosen to drain freely
[Direct Fit]: Bottom outlet allows easy draining of water without removing the assembly. The reusable clear nylon bowl lets you check fuel condition at a glance.Thread tape is recommended on fittings to prevent leakage
[Features]: The R12T separator offers up to 30 GPH flow and 10-micron filtration, removing water and fine particles to keep fuel clean and the engine running smoothly
[Applications]: Suitable for agricultural machinery, generator sets, outboard engines, boats, trucks, construction equipment, ship engines, and other diesel-powered machinery
[Notice]: Regular maintenance helps extend the service life of your R12T filter. Keep the bowl and filter element clean, inspect often, and replace when needed
[Vehicle Fitment]: Fuel Water Separator Marine Kit Compatible with Yamaha, Compatible with Mercury, Compatible with Racor, Compatible with Sierra, and Compatible with Suzuki outboard engines. Fits a variety of universal marine applications, commonly used...
[Replace Part Number]: Replacement for Mercury 35-60494-1,S3213, B32013,18-7932-1, 18-7932, 18-7928-1, 18-7928 ; Filter Replaces for Mercury Marine 35-809097 ; Replacement for Yamaha MAR-24563-03-00, 18-7919, 18-7919-1;Bowl Replaces...
[Efficient Filtration]: The 3/8" NPT ports allow smooth fuel flow with reduced pressure drop. The 10-micron filter effectively captures fine particles and water, helping protect the engine and fuel system components
[Durable Construction]: Constructed with high-grade aluminum housing and reinforced with multi-layer filter media, ensuring dependable sealing, leak resistance, and long-lasting durability
[Easy Installation]: Comes with 3/8" NPT ports for lower pressure drop rates and includes 3/8" barb × 1/4" NPT brass fittings. Thread tape is recommended on fittings to prevent leakage
[Notice]: Suitable for compatible marine applications. Please verify the filter model and system requirements before purchase. Check the collection bowl regularly and replace the filter annually or as needed
Fit for:R12T Marine Fuel Filter/Water Separator complete assembly. NPT,ZG1/4-19.
Desgin:This spin-on filter design is simple to replace and the reusable clear nylon collection bowl and features a self-venting drain for removing unwanted muck and water. Tighten the valve, the water will not discharge. Release the valve, the water can...
Features:Filters are designed for high performance applications, and with flow rate of 15 GPH on the R12T model, your engine will perform better than ever with clean, water-free fuel.
Direct fit：An outlet at the bottom allows you to drain unwanted muck and water without dismantling the assembly and the reusable clear nylon collection bowl make it clear for you to see the quality of fuel being used.
About service:Durable and Long Lasting ,the customer service period is 1 year. Note: Please check the display pictures and OEM to see before purchase.
Efficient Multi-layer Filtration: Features a high-performance 3-layer filter element, can remove up to 99% of water and harmful debris from gasoline/diesel. Helps prevent damage to fuel injectors and other sensitive engine components
Specifications: Suitable for gasoline and diesel outboard engines. Maximum flow rate: 15GPH, Micron rating: 10 microns. Please check your engine’s flow rate and filtration requirements before purchasing
Durable Construction: The filter body is coated with a rust-resistant layer to prevent corrosion from water. The element has deeper and denser pleats than others, allowing it to capture more debris and extend the lifespan of the separator
What's in the Package: Includes everything you need for installation: 1 x R12T assembly, 1 x Sealant Tape, 2 x Plugs, 2 x 3/8" Barb × 1/4" NPT Male Fittings. Ready for easy installation right out of the box
Maintenance & Support: We recommend replacing the filter every 500 hours or 10,000 miles to maintain optimal performance. For any questions or concerns, please feel free to contact us, we’re always here to help
[Compatibility]Perfect for a variety of universal fuel applications, mostly used on outboard marine engines. Compatible with Yamaha Mercury Racor Sierra Suzuki outboard engines.REPLACE OE#: : S3227, 320R, 490R-RAC-01, 18-7948, 9-37882, 18-7922, 18-7922-1.
[PERFORMANCE]Engineered for marine engines, this 10-micron high-efficiency filter (≥98% filtration rate) traps rust, sediment, and water contaminants in fuel systems. Prevents injector clogging, reduces engine wear, and ensures stable power output in...
[Quality]Features multi-layer glass fiber media + stainless steel core with salt-spray resistant housing. pressure certified to maintain ultra-low flow restriction (<3.5 psi pressure drop) – delivering 40% higher flow efficiency than standard filters in...
[Protection]Equipped with Fluorocarbon O-rings (130°C oil resistance) + Spin-Lock Assembly + Vibration-resistant threaded ports. Validated through 2,000-hour pulse fatigue testing to eliminate leaks in turbulent marine applications.
[PACKAGE]: This is the most complete fuel filter kit available. Includes 1x Filter Assembly, PLUS the full installation accessory set (screws, fittings, clamps)—everything you need in one box. Backed by our 12-hour responsive support. If you’re not...
Last update on 2026-08-26 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Automotive Replacement Fuel & Water Separators
Understanding Fuel & Water Separators
A fuel and water separator is designed to remove water and particulate contaminants from the fuel before it reaches your engine. Water in fuel can lead to corrosion, injector damage, and reduced engine efficiency. These devices are essential for diesel engines, which are particularly susceptible to water contamination, but can also benefit gasoline engines.
Key Features to Consider
Filtration Micron Rating: This indicates the size of particles the filter can trap. A lower micron rating means finer filtration.
Flow Rate: Ensure the separator's flow rate meets or exceeds your engine's requirements to avoid fuel starvation.
Water Sensor/Drain: Some models include a sensor that alerts you when water needs to be drained, while others have a manual drain valve.
Construction Material: Look for durable materials like metal or high-quality plastic that can withstand engine bay temperatures and fuel exposure.
Ease of Installation and Maintenance: Consider how easy it will be to install and replace the filter element or drain the accumulated water.
Types of Separators
The most common type is an inline filter that installs between the fuel tank and the engine. Some larger vehicles or fleets may utilize more robust, spin-on canister types that offer higher capacity and easier servicing. Ensure the chosen model is compatible with your vehicle's fuel system type (e.g., diesel, gasoline).
Frequently Asked Questions
How often should a fuel and water separator be replaced?
Replacement frequency depends on usage and fuel quality, but a general guideline is every 15,000-30,000 miles or annually. Check the manufacturer's recommendations and inspect the filter regularly for signs of clogging or water accumulation.
Can a clogged fuel and water separator damage my engine?
Yes, a severely clogged separator can restrict fuel flow, leading to engine performance issues like sputtering or stalling. It can also put extra strain on the fuel pump.
What's the difference between a fuel filter and a fuel/water separator?
A fuel filter primarily removes solid particles from the fuel. A fuel and water separator performs this function and additionally removes free water, which can cause significant engine damage.
Do gasoline engines need a water separator?
While diesel engines are more prone to issues from water contamination, gasoline engines can also be affected. Water in gasoline can lead to corrosion and performance problems, so a separator can offer added protection.
How do I know if my fuel and water separator needs draining?
Many separators have a visual indicator or an electronic sensor that alerts you when a significant amount of water has been collected. You may also notice engine performance issues if the water level gets too high.
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