This Part is a Bath Pump Seal for a LX, DH1.0 Series Guangdong Bath Garden Tub Pump Only. It is 1 3/16" Across the back of the Spring Seal part that goes onto the back of the impeller with a hole size of about 5/8"..  The Ceramic & Rubber part that goes into the Volute is 1 3/32". The Hole in the ceramic part is about 11/16"...