Lube Filtration Definitions
Oil is vital to your engine’s moving parts. It lubricates, removes heat as it circulates and flushes contaminants out of the engine. Donaldson lube filters keep engine oil clean by capturing contaminants that can cause engine damage. New engine designs require finer filtration than older engines. Increased engine emissions control and tighter tolerances within the engine require high efficiency filters.

Full-flow Filters
Full-flow lube filters are designed to keep the oil clean by removing contaminant. On most engines, a full-flow filter is all you need to lubricate engine components.

By-pass Filters
When used, a by-pass filter continually circulates approximately 10% of the oil in the lubricating system. By-pass filtration supplements the full-flow filter with the capability to remove smaller contaminant.

Fuel Filtration
Today’s engines are built to more stringent specifications and finer tolerances. Fuel systems, pumps and injectors require cleaner fuel to achieve better combustion and lower emissions. That’s why the latest advances in filter media can make the difference between engine power and engine problems.

Fuel Filters
Our fuel filters provide clean, filtered fuel that prevents pump wear, injector clogging, premature engine wear and can boost fuel efficiency.

Primary Fuel Filters
This large capacity filter is positioned on the suction side of the pump. It removes water from the system before it gets to the pump.

Secondary Fuel Filters
Designed to endure higher pressures than the primary filter, a secondary filter is applied on the pressure side of the pump. It provides high efficiency particulate filtration and is required to remove emulsified water in some systems.

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