Crom Cruach Posted August 15, 2022 Share Posted August 15, 2022 Can anyone tell me the thread size that goes into the water pump, and the hose end diameter. It’s to fit a stock replacement AC Delco for an sbc 350. A part number even better! Quote Link to comment Share on other sites More sharing options...
Andy's Auto Posted August 15, 2022 Share Posted August 15, 2022 1/2 inch pipe thread. Hose will be either 3/4 or 5/8, depending on the fitting. 1 Quote Link to comment Share on other sites More sharing options...
Scott S. Posted August 16, 2022 Share Posted August 16, 2022 Any parts shop should have what you're looking for. Just keep in mind that American pipe threads are tapered, whereas British are not. No amount of sealant can solve that problem...... 1 Quote Link to comment Share on other sites More sharing options...
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