Recently discontinued old style bushing is now available and is a better and longer lasting option. Shaft Bushings Original Style Shaft Bushing Style B This is the new model which comes with 2 rubber o-rings on the bushing seal. This seal should prevents liquids from entering the inside of the barrel. The new and improved seal MUST use the new rubber auger seal. The end sitting inside the shaft cavity is flat. Manufacturer Part Numbers: SL340001650, SL300951752L Position Number in Exploded Diagram: GT30B SKU: 1704341650 We recommend that when you purchase this product that you use it along with the Rubber Auger Seal - Style B Note: this is the new style auger seal that only suits the new style shaft bushing The Shaft Bushing Style B has 2 red O-rings on it. Always ensure you lubricate the watertight auger seal after regular cleaning and maintenance.