Caterpillar 9U-5870 Hydraulic High Efficiency Oil Filter

Caterpillar 9U-5870 is a spin-on hydraulic/transmission filter element built for Cat hydraulic systems, utilizing synthetic media to deliver Ultra High Efficiency filtration. It is rated 13-micron absolute, meaning it captures a high proportion of fine contaminants to help reduce wear on pumps, valves and other hydraulic components in demanding service. Designed for recirculating and discharge filtration paths, this replacement filter element enables robust contamination control within Cat machines, supporting reliable hydraulic performance in severe operating conditions. Part of Cat’s hydraulic and transmission filter lineup, the 9U-5870 is specified for use where high oil cleanliness is critical to the longevity and efficiency of Cat hydraulic systems.