Donaldson is the leading supplier of fuel filters and other filtration systems. Donaldson fuel filters are known for their quality and high performance efficiency. The fuel filters help to keep engines or equipment working smoothly. The diesel engines that are in use in the market now require high levels of performance to remain compliant with the stringent emission standards. Fuel filters play an important role in removing contaminants to create clean fuel. Having cleaner fuel that has been filtered helps to minimize expensive repair costs or downtime of machines/engines.