Engineered for Uptime. EVERYWHERE. EVERY TIME.
Diesel Fuel Filtration System
Our high-performance diesel fuel filtration systems are built to withstand off-highway’s harshest conditions, and we’ve set the standard since 1976.
View All ProductsIndustries Served by Fuel Filtration Systems
The DAVCO team has extensive experience providing fuel water separators to many industries. We regularly work with fleet maintenance directors and service managers, parts managers for dealerships and distribution centers, owner-operator truck drivers, industrial equipment maintenance supervisors, and procurement engineers, among others.
Why DAVCO?
Innovation. Performance. Reliability-driven. Backed by hands-on customer service since 1976, DAVCO has built a reputation for building high-quality fuel filtration and water separation systems for diesel-powered engines that feature patented Seeing Is Believing® technology for maximum uptime.
We pioneered the industry’s first and only clear cover fuel water separators, allowing you to save time and money by knowing exactly when filter replacements are needed. Our dedication and expertise have allowed us to build more than 3.2 million diesel fuel filtration systems since 2004, helping countless businesses to keep their operations moving.

Featured Products

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).

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).

Industrial Pro® 691 Tall Single
The Industrial Pro® 691 is a tall single unit with fuel flow rates up to 600 gallons per hour.

Sea Pro® 882 Short Duplex
The Sea Pro® 882 redefines industry standards, ensuring optimal fuel/water separation performance by exceeding the standard of commercial marine applications.

Shop Pro® FXP
The Shop Pro® FXP is an all-in-one shop floor tool for priming diesel engines, cleaning fuel tanks, and transferring fuel with filtration.
Customer Service That’s Right Here, Right Now
Right here. Right now.
Whether you have an urgent question about a diesel fuel filtration system or you just need more information on a part, our customer service and sales team is ready and available to support and empower.
Feel free to reach out to us Monday through Friday from 8 a.m. to 4:30 p.m. EST.


“I have been using the DAVCO product for five years now and would strongly recommend it… We have seen a significant reduction in the amount of fuel related problems on all the buses that we added the DAVCO product to… The DAVCO system is now part of our specification build sheet for purchasing new buses.”
Facing These Problems?
- • Water damaging critical components – Water entering equipment can create corrosion, rust, and microbial growth that can severely or permanently damage pumps, injectors, engines, and other essential parts.
- • Fuel filters that keep clogging – Poor-quality diesel can plug fuel water separators and propagate rust and allow bacteria and fungi to flourish, clogging filters and damaging fuel systems.
- • Displaced lubricative coatings – When water seeps into a system, it can displace diesel fuel’s lubricative coating on essential components, leading to problems like surface pitting, fuel pressure loss, tolerance erosion, and reduced performance.
- • Costly repairs and replacements – Engines and other components that suffer from water infiltration can break down more easily or become completely unusable, leading to downtime, repairs, and replacements that really hurt your bottom line.
Optimize Your Equipment with Diesel Fuel Filtration Systems from DAVCO
Sourcing fuel water separators from DAVCO allows you to:
- • Operate machinery effectively with clean, contaminant-free fuel
- • Prevent engine damage, clogging, and unnecessary repairs
- • Improve system performance and prolong equipment life
- • Lower maintenance costs
- • Reduce breakdowns and downtime
- • Meet the needs of diverse industries
- • Remain in compliance with emission standards
Let us put our decades of expertise in the industry to work for you. Maximize the protection of your engine’s fuel system with DAVCO fuel water separators.
Connect with a Sales Rep
Time is money, and faulty equipment can lead to costly delays. DAVCO sales managers are ready to guide and support so you can keep your vehicles and business running smoothly with the help of effective fuel filtration system solutions.
Connect NowNews
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03/04/202403/04/2024
New DAVCO Fuel Pro® 499 Model Expands Line-up of Fuel/Water Separators
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03/14/2023
DAVCO Plans Brand Expansion Into Off-Highway Diesel Market
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DAVCO-branded Diesel Fuel/Water Separators, Expanded Customer Support Coming to Off Highway in 2023 -

10/18/2022
DAVCO Technology Launches New Shop Pro FXP Series Designed Specifically to Increase Uptime for Fleets
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03/01/2022
DAVCO Announces New Fuel Pro Options for North American Commercial Truck Market
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01/04/2022
DAVCO Expands Into Electronics Manufacturing
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