On-Highway
Semi-Truck Fuel Water Separator
Designed to deliver efficiency for Class 5 to Class 8.
View our Products ✓ ISO 14001 for Environmental Management
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✓ IATF 16949 for Quality Management
Extend the Life of Your On-Engine Filter
Ensuring that your fleet is successfully moving from point A to point B means you have to assess various operational factors, including maintaining fuel levels. Many fleets have standard maintenance intervals but preventing unexpected issues can be difficult.
Since fuel filters are usually on the engine and not visible to drivers while they’re on the road, operators don’t know if an issue is starting to develop. This can lead to many problematic situations, and drivers might not be alerted until a dashboard light comes on. If these issues aren’t caught early, they can lead to expensive repairs, like a $20,000+ injector failure or a $1,000+ tow plus repairs, something every operation wants to avoid.
This necessitates greater visibility into fuel maintenance, and DAVCO delivers cutting-edge solutions to tackle this issue. Our Seeing Is Believing® technology empowers drivers to extend service intervals and make better decisions about when to replace filters. At DAVCO, we provide dedicated customer service and technical experts on-demand, as we work to maximize uptime and efficiency, extending service intervals by 2-3x.
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Top Products
Diesel Pro® 243
The Diesel Pro® 243 combines the features of fuel filtration, fuel/water separation, and fuel filter preheating into a single, compact unit intended for medium duty diesel engines used on school buses, class 4-6 trucks, refrigeration units, and biodiesel applications.
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Diesel Pro® 245
The Diesel Pro 245 combines the features of fuel filtration, fuel/water separation, and fuel filter preheating into a single, compact unit.
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Fuel Pro® 382
The Fuel Pro® 382 is an all-in-one diesel fuel filtration and water separation solution for heavy duty on-highway diesel engines with flow rates up to 180 gallons per hour (GPH).
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Fuel Pro® 385
The Fuel Pro® 385 is an all-in-one diesel filtration and water separation solution for Western Star 4900 engines with flow rates up to 180 gallons per hour (GPH).
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Fuel Pro® 386
Fuel Pro® 386 is an unheated, all-in-one diesel filtration and water separation solution for heavy-duty diesel engines with flow rates up to 180 gallons per hour (GPH).
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Fuel Pro® 387
Fuel Pro® 387 is a coolant heated, all-in-one diesel filtration and water separation solution for heavy-duty diesel engines that boasts flow rates up to 180 gallons per hour (GPH).
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Fuel Pro® 388
Fuel Pro® 388 is an all-in-one diesel filtration and water separation solution for heavy-duty diesel engines with flow rates up to 180 gallons per hour (GPH) with return fuel heat only.
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Fuel Pro® 483
Fuel Pro® 483 is an all-in-one diesel filtration and water separation solution for heavy-duty diesel engines with flow rates up to 180 gallons per hour (GPH).
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Fuel Pro® 485
Fuel Pro® 485 is an all-in-one diesel filtration and water separation solution for heavy-duty diesel engines with flow rates up to 180 gallons per hour (GPH).
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Fuel Pro® 487
Fuel Pro® 487 is an all-in-one diesel filtration and water separation solution for heavy-duty diesel engines with flow rates up to 180 gallons per hour (GPH).
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Fuel Pro® 488
Fuel Pro® 488 is an all-in-one diesel filtration and water separation solution for heavy-duty diesel engines with flow rates up to 180 gallons per hour (GPH).
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Fuel Pro® 498
Fuel Pro® 498 is an all-in-one diesel filtration and water separation solution for heavy duty diesel engines with flow rates up to 180 gallons per hour (GPH).
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Fuel Pro® 499
Fuel Pro® 499 is an all-in-one diesel filtration and water separation solution for heavy duty diesel engines with flow rates up to 180 gallons per hour (GPH).
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View More ProductsFuel Water Separator for Semi-Trucks: Preventing Downtime
There are various fuel-related issues a driver may experience that will require immediate action, such as:
- Filter reaching the end of its life
- Fuel quality issues, such as fuel gelling, debris, algae, or water intrusion
- Air bubbles in the fuel system
These problems occur due to weather changes, the use of fuel blends, or other existing maintenance issues. A combination of these elements can cause injector failures. To combat these issues, our semi-truck fuel water separator helps stop water, air bubbles, particulates, algae, and contaminants from circulating into the fuel system. It also provides a clear picture of your fuel’s health through its different components:
- Clear cover –The clear cover allows you to see the fuel, to better identify any quality issues right off the bat, such as air bubbles
- Synthetic media – This helps strip out contaminants before they reach the engine
- Clear bowl – This area allows you to see what has been separated out from the fuel
These components all work together to deliver the complete solution for your fuel system. When you have a clear view of what’s happening in your fuel system, you can proactively address larger issues. Signals to keep an eye out for include:
- Air bubbles – Indicating an air leak
- Gelling – Cold weather affecting the system
This visibility makes a major difference, as our Seeing Is Believing® technology will increase maintenance intervals by 2–3x.
Heating Options That Work Against Winter Elements
Our fuel water separators for semi-trucks also feature different heating options that prevent fuel gelling during cold temperatures:
- 12VDC Pre-Heater and 24VDC Pre-Heater – Both of these options use the ignition switch to heat fuel prior to running the engine. These heaters are better for on-the-go applications.
- 120VAC Overnight Heater – This equipment prevents gelling while the truck is parked overnight when plugged in. It holds its own against extreme cold overnight temperatures while parked (must be parked close to an outlet).
- Fluid Heater – This option uses the coolant or a return fuel blend to warm the fuel while the vehicle is in operation.
DAVCO is committed to being proactive against the cold weather and the problems that it can bring for fleets. We recommend always checking to ensure you have the correct heating options for your unit. We also offer a wide range of service parts, so you can have them on hand in case anything needs to be replaced or modified.
The DAVCO Difference
Our fuel-in/fuel-out configurators are engineered for specific engine needs and designs, as well as space requirements. The DAVCO team works closely with OEM teams during the development phase to ensure that our fuel water separators for semi-trucks are built to meet and exceed engine specs.
Even when our customers are on the go, the DAVCO team is here to help. We have experience working with customers who are facing downtime due to fuel issues, and we work quickly to provide the best solutions. Our customers and their success are always our number one priority!
“I have been using the DAVCO product for five years now and would strongly recommend it. I first installed four of the DAVCO 243 fuel filter assemblies on four school buses to monitor their effectiveness. I was shocked at how well this system worked for our application. Most aftermarket systems do not do well on the school bus.”
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Contact the DAVCO Team Today
Promote safe and efficient operations for your fleet by using our semi-truck fuel water separators. Contact our team to place an order or for any questions you have.