Univen blender jar lid and center filler cap for clover leaf shaped Oster blender jars, black. Fits Oster blender models 6630, 6631, 6650, 6652, 6655, 6632, 6633, 6636, 6635, 6640 and 6658. Fits Oster 083818 and 84036 blender jars. Replaces Oster part number 83820-000-090.