DAVCO Technology is the North American leader in diesel fuel filtration. Our Seeing is Believing® technology allows you to see when you need to change your filter. No second guessing or wasted, unused filter media, DAVCO products can also reduce maintenance time. Protect against water, excessive dirt particles, or bacterial growth in diesel fuel that can significantly impact the performance & uptime of your equipment. Maximize the protection of your engine’s fuel system with DAVCO fuel water separators.