The return-line filter provides ultimate flexibility in positioning – it can perform almost anywhere within the return line circuit, you can install controlled inline hydraulic filter (in the hydraulic tank line) or as a tank mounted filter (on top of the hydraulic tank,you can easily replace filter elements when needed).
Hydraulic filter paper, Glass Fiber
Cross Reference For 31E3-4527
Baldwin PT9375, Hyundai 31E3-4527, 31E3-4528, 31E34527, 31E34528
Schupp SF HY9343 DIGOEMA DGMH3971