Fuel Filter Water Separator

  • CONFIGURABLE: We’re the only manufacturer to offer a fully configurable Fuel Filter Water Separator for your unique applications
  • SPIN-ON FUEL WATER SEPARATORS: Ideal for primary or secondary filtration and water separation systems
  • MULTI-PURPOSE: Our filters are designed for marine fuel water separation applications, pressure washing systems, and light industrial installations
  • GREAT REPLACEMENT OPTION: Our fuel water separators replace many other brands and are compact, versatile, and fully configurable
  • ONLINE GUIDE AVAILABLE: Need a guide to select the correct product?
Online Product Guide
CFS1015 2 Port Center Drain
Shop Diesel Filters
4 Port Off-Center Drain
SHOP GAS FILTERS
  • The CFS 1015 Diesel Series Spin-on Fuel Filter Water Separator (FFWS) offers ultimate protection for your marine and light industrial diesel engines. This FFWS utilizes an H&V Coalescer filter media, which removes 99% of contaminants (e.g., silica, sand, rust, varnishes, and water) from the fuel before these materials reach the critical internal components of your engine. Given the sensitivity and complexity of modern diesel engines, even a micron-sized piece of silica, rust, or varnish could cause damage to the critical components of your engine’s injection system and reduce engine efficiency. We offer mounting brackets for this series of filters.
  • The CFS1020 Diesel Series Spin-on Fuel Filter Water Separator (FFWS) offers ultimate protection for your marine and light industrial diesel engines. This FFWS utilizes an H&V Coalescer filter media, which removes 99% of contaminants (e.g., silica, sand, rust, varnishes, and water) from the fuel before these materials reach the critical internal components of your engine. Modern diesel engines are highly pressurized and push the limits of critical components. Even a micron-sized piece of silica, rust, or varnish could cause damage to these critical components and reduce engine efficiency and increase downtime. We offer mounting brackets for this series of filters.
  • Outboard Fuel Water Separator

    The CFS 1030 Marine Series Spin-on Fuel Filter Water Separator (FFWS) offers ultimate protection for your marine and light industrial gasoline engines. This FFWS utilizes an H&V Coalescer filter media, which removes 99% of contaminants (e.g., silica, sand, rust, varnishes, and water) from the fuel before these materials reach the critical internal components of your engine. This fuel water separator was designed for easy installation and field service. The clear polycarbonate collection bowl and durable die-cast mounting cap are easy to clean, and reusable for multiple services. Additionally, the mounting cap and drain bowl can be configured based upon your installation requirements. We offer mounting brackets for this series of filters.
  • The CFS 1040 Gas Series Spin-on Fuel Filter Water Separator (FFWS) offers ultimate protection for your marine and light industrial gasoline engines. Given the sensitivity and complexity of modern engines, even a micron-sized piece of silica, rust, or varnish could cause damage to the critical components of your engine’s injection system and reduce engine efficiency. The CFS 1040 utilizes an H&V Coalescer filter media, which removes 99% of these contaminants prior to passing the fuel onto the engine. We offer mounting brackets for this series of filters.
  • CFS1015 Diesel Fuel Water Separator Element
    The CFS 1015 Diesel Fuel Water Separator Element is rated at 15 gph and utilizes a 10 micron H & V Coalescer filter media. This element filters out 99% of contaminants (e.g., silica, sand, rust, varnishes, and water) from the fuel before these materials reach the critical internal components of your engine. This Spin-on Fuel Filter Water Separator is ideal for a primary or secondary filtration and water separation system and is most commonly used in light industrial, marine, and pressure washer systems. This filter was designed for easy installation and field service, and the universal cap threading (M18 x 1.5) makes it interchangeable with many related products such as Racor, Napa, and Wix filters. It is recommended to replace this filter after 400 hours of use, or sooner if being operated in a high humidity environment. Applications: Replacement Element for CFS 1015, and refer to Direct Replacement for a listing of equivalent OEM products Specifications: Threads M18 x 1.5, height 2.5”
  • The CFS 1020 Diesel Fuel Water Separator Element is rated at 20 gph and utilizes a 10 micron H & V Coalescer filter media. This element filters out 99% of contaminants (e.g., silica, sand, rust, varnishes, and water) from the fuel before these materials reach the critical internal components of your engine. After 400 hours of use, the filter element on your Spin-on Fuel Water Separator will need to be replaced.  The filter element is designed to be a consumable component, easy to remove and install, so that replacing the entire filter assembly is not necessary. This Spin-on Fuel Filter Water Separator is ideal for a primary or secondary filtration and water separation system, and is most commonly used in light industrial, marine, and pressure washer systems. The universal cap threading (M18 x 1.5) makes it interchangeable with many related products such as Racor, Napa, and Wix filters. Applications: Replacement Element for CFS 1020, and refer to Direct Replacement for a listing of equivalent OEM products Specifications: Threads M18 x 1.5, height 3.875”
  • The CFS 1030 Gas Fuel Water Separator Element is rated at 30 gph and utilizes a 10 micron H & V Coalescer filter media. This element filters out 99% of contaminants (e.g., silica, sand, rust, varnishes, and water) from the fuel before these materials reach the critical internal components of your engine. This Spin-on Fuel Filter Water Separator is ideal for a primary or secondary filtration and water separation system and is most commonly used in light industrial, marine, and pressure washer systems. This filter was designed for easy installation and field service, and the universal cap threading (M18 x 1.5) makes it interchangeable with many related products such as Racor, Napa, and Wix filters. It is recommended to replace this filter after 400 hours of use, or sooner if being operated in a high humidity environment. Applications: Replacement Element for CFS 1030, and refer to Direct Replacement for a listing of equivalent OEM products Specifications: Threads M18 x 1.5, height 2.5”
  • The CFS 1040 Gas Fuel Water Separator Element is rated at 40 gph and utilizes a 10 micron H & V Coalescer filter media. This element filters out 99% of contaminants (e.g., silica, sand, rust, varnishes, and water) from the fuel before these materials reach the critical internal components of your engine. After 400 hours of use, the filter element on your Spin-on Fuel Water Separator will need to be replaced.  The filter element is designed to be a consumable component, easy to remove and install, so that replacing the entire filter assembly is not necessary. This Spin-on Fuel Filter Water Separator is ideal for a primary or secondary filtration and water separation system, and is most commonly used in light industrial, marine, and pressure washer systems. The universal cap threading (M18 x 1.5) makes it interchangeable with many related products such as Racor, Napa, and Wix filters. Applications: Replacement Element for CFS 1040, and refer to Direct Replacement for a listing of equivalent OEM products Specifications: Threads M18 x 1.5, height 3.875”
  • Clearflow Filtration Systems has been providing high-quality filtration systems for marine, industrial, agricultural, and recreational use since 2005. In collaboration with various marine and industrial service organizations, we're proud to announce the development and release of our newest accessory: a fuel water separator mounting bracket kit. Ideal for your outboard fuel water separator, our water separators  are compact, versatile, and fully configurable.
  • Gas Fuel Filter

    The CFS-IL15 filter is one of the most versatile and durable inline fuel filters available in the market today. This 15-micron inline gas fuel filter is ideal for providing filtration for pressure washing systems, lawn care machines, and outboard marine systems, just to name a few. Unlike most disposable ¼” fuel filters, the CFS-IL15 has specially designed barb fittings on each end that secure the fuel lines onto the fitting shaft. This barb feature ensures that the attached line cannot be accidentally pulled off during use. The 1/4" (quarter inch) fuel filter has a clear polycarbonate housing, which makes it easy to view the filter element and determine when it is time to replace the filter. The CFS-IL15 is 4” in overall length, which makes it ideal for very compact installation areas. The CFS-IL15 also has a “raised” arrow on the outside of the filter housing, which indicates the flow direction of the fuel through the filter. This flow indication eliminates any filter orientation mistakes during installation. If you have any questions about the utilization or functions of this ¼” inline fuel filter, please feel free to give our team at Clear Flow Filtration Systems a phone call or email, and we will promptly provide our feedback. Looking for an outboard fuel water separator or a diesel fuel water separator? We have those too! Interested in saving costs? Available in 4-packs and 6-packs for discounts! Product image is a conceptual view
  • This cap is produced from high grade aluminum and the two port fuel input cap offers a simplified solution to the flow of fuel into and out of the fuel water separator. Input and output markings are cast directly into the top of the filter, so there isn’t any misunderstanding as to which direction the fuel should flow in and out of the fuel water separator. This cap does not have a mounting bracket incorporated into the casting, but a separate Fuel Water Separator Mounting Bracket kit can be purchased, or the filter can be suspended between two rigid couplings, which would be part of the fuel plumbing system. The two port fuel cap is made from an aluminum die casting and is sand-polished to give it a professional appearance. Applications: Replacement cap for CFS 1015, CFS 1020, CFS 1030, and CFS 1040 filters Specifications: Threads: Ports 1/4" NPT, Element M18 x 1.5 – 2-Port Die Cast Cap
  • The four port fuel input cap offers a variety of configurations for connecting the fuel lines to the fuel water separator assembly. Simple-to-use fuel flow arrows are cast directly onto the top of the cap, indicating which direction the fuel should flow in and out of the fuel water separator assembly. This type of configuration allows users to choose from four different types of fuel line configuration. The four port fuel input cap also has a rigid mounting bracket built right into the cap with two mounting holes. This offers an easy and compact mounting solution when you are determining where to locate your fuel water separator assembly. The four port fuel cap is made from an aluminum die casting and is powder coated to offer extra protection against the elements, the perfect replacement part for your fuel filter water separator. Applications: Replacement cap for CFS 1015, CFS 1020, CFS 1030, and CFS 1040 filters Specifications: Threads: ports 1/4" NPT, Element M18 x 1.5 - 4-Port Die Cast Cap
  • The Off-Center Drain Bowl with Water Sensor Probe is specifically designed for those applications in which the fuel filtering system itself monitors and reports when the water collection bowl is full. Unlike the traditional off-center drain bowl assembly, this water in fuel sensor bowl assembly has a removable threaded plug, that can be removed and replaced with the water sensor probe. This fuel filter sensor is ideal for uses in outboard marine applications, light industrial machinery, and farm equipment. The bowl is made of a clear, hard acrylic plastic, and the drain plug is made of a high temperature nylon. The drain plug also has a barbed fitting on the end, which is ideal for attaching a drain line to transfer the bowl’s contents to a remote storage container. This fuel water separator sensor assembly is completely interchangeable with all of CFS’s 15, 20, 30, and 40 gph fuel filter water separators, whether you're using a Diesel Fuel Water Separator or an Outboard Fuel Water Separator. This drain bowl water sensor probe assembly includes the drain bowl, drain plug assembly, water probe plug, and O-ring for sealing the bowl onto the fuel filter water separator filter element. Applications: Replacement drain bowl for CFS 1015, CFS 1020, CFS 1030, and CFS 1040 filters Specifications: Housing – clear polycarbonate, barb shank diameter – 0.250” dia.
  • Drain Bowl Assembly Off-Center Nut Style - This cap is produced from clear acrylic plastic and includes a drain plug assembly. The Off-Center Drain Bowl Assembly is ideal for applications where there is sufficient working area around the filter. The drain bowl can be easily accessed and the drain plug can be opened by hand or by using a simple wrench, whether you're using a Diesel Fuel Water Separator or an Outboard Fuel Water Separator. The drain plug also has a barbed fitting on the end, which is ideal for attaching a drain line to transfer the bowl’s contents to a remote storage container. Applications: Replacement drain bowl for CFS 1015, CFS 1020, CFS 1030, and CFS 1040 filters. Specifications: Housing – clear polycarbonate, barb shank diameter – 0.250” dia.
  • The Center Drain Bowl Assembly utilizes an ergonomically designed wingnut-style fuel filter drain plug. This drain bowl assembly is ideal for applications where there is limited working area around the filter. Because of the wingnut design, the drain bowl plug inside your fuel filter water separator can be easily opened and closed by hand, which eliminates the need for additional tools such as wrenches and pliers. The bowl has “ribs” on the side of the bowl to provide additional gripping surfaces, and the drain plug is made of a high temperature nylon  and includes a soft rubber seal for preventing unwanted leakage from the bottom of the drain bowl. Applications: Replacement drain bowl for CFS 1015, CFS 1020, CFS 1030, and CFS 1040 filters Specifications: Housing – clear polycarbonate, barb shank diameter – 0.250” dia.
  • The sealing components in the Fuel Filter Water Separator will erode and become brittle over time and this will cause your fuel water separator to leak or fail. This is especially true in coastal marine or dry, low humidity environments. Our Gasket and O-ring Replacement Kit is ideal for extending the life of your 10 micron fuel water separator filter. The gasket is a 90 durometer hard rubber material, and the O-ring is produced from durable Buna plastics. If your filter is leaking around the fuel input cap or from the area where the drain bowl connects to the filter housing, it is time to replace these seals. Refer to our Fuel Filter Installation Instruction sheets for a detailed explanation on how to perform the replacement of these materials. Applications: Replacement soft seals for CFS 1015, CFS 1020, CFS 1030, and CFS 1040 filters Specifications: Hard rubber gasket and Buna O-Ring
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    Clearflow Filtration Systems (CFS) has been providing industrial filtration systems since 2005. In light of the current global pandemic, we have been asked to leverage our technical expertise in the filtration industry to assist with the efforts to help prevent the spread of the COVID-19 virus. After harnessing our technical resources and vast international supply chain, we have come up with this incredible product. The KN95 disposable face mask offers 95% particle protection to effectively prevent the spread of illnesses and viruses, including COVID-19, while providing comfort and durability throughout the day. It is an ASTM Level 1 face mask, providing a higher grade of support and breathability than homemade masks or bandannas at a lower price. Has comfortable elastic ear loops and a lightweight adjustable nose bridge wire. Versatile for indoor and outdoor environments, and portable as it folds flat in any pocket. Available in packs of 5 or 10. Orders ship within 24 hours.

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