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These rebuild kits are only for the Gast Diaphragm Air Compressors, (GAST 1/20 HP DC22 and GAST 1/8 HP - DC12). These rebuild kits will only fit these models!
If your Gast Diaphragm air compressor runs but does not pump air after a couple years of service, chances are the diaphragm needs to be replaced. Kits include the diaphragm, head gasket and parts needed to rebuild compressor to “like new” performance.