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An washer for Fast–Flo pumps. Corrosion resistant stainless steel construction. It is a trusted factory part from Graco.
The Graco 172393 is a new washer for Fast–Flo pumps. It replaces a worn or damaged one inside your pump. Constructed with stainless steel to match the chemical compatibility of the original. This is a genuine OEM part which ensures a proper fit when installed in the recommended pump models.