Schroeder FIE390251 Hydraulic Filter Indicator

Schroeder FIE390251 Hydraulic Filter Indicator is a visual filter condition indicator designed to install in hydraulic filter assemblies to monitor the status of the filter element and signal when maintenance is required. It’s used in hydraulic filtration systems across industrial and mobile equipment, enabling continuous monitoring in hydraulic power units, manufacturing equipment, construction machinery, agricultural equipment, and other fluid power applications where timely filter replacement helps sustain performance. Its indicator type is Visual Filter Condition Indicator, and it supports replacement, preventive maintenance, retrofit, and hydraulic system upgrades. The device is installed in the hydraulic filter assembly and offers a manual reset option (depending on filter configuration). Manufactured by Schroeder under the MPN FIE390251, this indicator is commonly used as a replacement or retrofit part, with common replacements including HYDAC Filter Indicator and Parker Filter Indicator in compatible hydraulic filtration ecosystems. Maintenance teams and system integrators rely on it to schedule maintenance and minimize downtime by acting on a clear filter-element condition signal.