The Udor 0007.01 OEM Oil Seal is an original replacement crankshaft seal manufactured to Udor's exact specifications. Installed where the crankshaft passes through the pump body, it provides a reliable seal that retains lubricating oil while preventing dust, water, and debris from entering the crankcase. Oil seal replacement is recommended whenever the pump is disassembled or whenever leakage is observed around the crankshaft. Installing a genuine OEM seal ensures the correct dimensions, proper sealing pressure, and long service life. Fitment The Udor 0007.01 Oil Seal is used on the following Udor diaphragm pumps: Fits Udor KAPPA Series KAPPA 30 KAPPA 40 KAPPA 40TS KAPPA 50 Location Crankshaft oil seal at the pump crankcase. Important: KAPPA 40TS models also use Udor 0007.19 in addition to the 0007.01 seal. Verify your specific pump model and OEM parts diagram before ordering.