You can salvage pods from a yard. Frequently 1 diaphragm is good on a 2-diagram pod. Pods come apart easily to replace the diaphragm. The connector can be transferred from your old pod if you can't find the right one in the yard.

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85SD 240K & stopped counting painted, putting bac together. 84SD 180,000. sold to a neighbor and member here but I forget his handle. The 84 is much improved from when I had it. 85TD beginning to repair to DD status. Lots of stuff to do.