DIAPHRAGM, Accelerator Pump, .50 inch center stud diameter x .175 inch tall, replacement, we have found that long term storage can be rough on these, C2AZ-9B559-A
Manufacturer Reference #'s: 64-279, C2AZ-9B559-A
Submited on August 08, 2019 by Charles F.
product was as described
Submited on April 23, 2020 by bruce w.
YES I would recommend this product.