A replacement water pump shaft packing seal for Jabsco 4900 (4900-200) series engine water pumps.
The Jabsco 3791-0000 Water Pump Seal Packing is a replacement water pump shaft packing seal for Jabsco 4900 (4900-200) series engine water pumps as featured on Thornycorft 90 & 108 marinised engines.
The packing fits at the end of the pump around the shaft, just before the pulley in order to stop the water leaking out of the pump.
The 3791-0000 Water Pump Seal Packing is most commonly used with the 4900 series of raw water pumps. The Jabsco 4900-200 is commonly found on Thornycroft 90 & 108 Engines, the Thornycroft 90 & 108 Water Pump Service Kit is a complete service kit for the Thornycroft pump.
