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Others advocate for a Porsche pump. I too went with OEM. Pierburg, I think. Be sure it has the composite impeller (not metal). The gasket is single-use, crush-type. I agree with those who also apply a very thin smear of RTV sealant on the mating surfaces (although that's not in the service manual). Be sure the gasket mating surfaces are very, very clean (and not gouged). Also, it's easier to evacuate the trapped air in the coolant system with an Airlift.
Last edited by OldSharp997; 12-07-2021 at 09:15 AM..
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