A differential pinion oil seal compatible with Eaton Fuller applications, with a shaft diameter of 2.965", seal outer diameter of 4.575", and seal width of 1.000". It's installed at the pinion input of the differential/axle housing to prevent gear oil from leaking out around the rotating pinion shaft, and is used on Eaton/Spicer RS/RD/RA 344, 404, 405, and 454 series axle differentials.
