Overview Product Description S-185 1-1/4" shaft, 1.062" working length, 1.187" x 0.437" seat(diameter x thickness) Two piece shaft seal kit for replacement on the following pumps: Sta-Rite: C, CC Series 3, 5 HP, DHH, DHJ, DMH, DMJ, OEM Part Number U109-220 Product Videos Custom Field Product Reviews