Oster 6706 6-Cup Plastic Jar 10-Speed Blender, Black $20.88 BLE 10 SPEED PLASTIC JAR BLENDER… Rubber o-ring gasket seal for Oster & Osterizer, 3 PACK. $0.01 Flat rubber o-ring seal. A common replacement part, this seal sits between the top of the blade and the botom of the jar. Only one seal is needed per [...]