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000 043 301 05 is an old part number that has been superseded. Porsche coolant updates have been backwards compatible in the past.
Realistically, if the factory coolant is mixed 50/50 with distilled water, you should be checking its freeze point and pH annually, but plan on replacing it every 5-6 years (nothing is lifetime).
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“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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