Detroit Diesel Marine 4-71 or 6-71 parts engine wanted!!! (Seattle)

Looking for a complete or mostly complete 4-71 or 6-71 for parts.
Will consider complete runners too.
Graymarine, Detroit and need a gear too! Looking primarily for cooling parts, water pump, expansion tank.
mounting brackets.
I had my complete 6-71 and gear disposed of by a shop that closed down during covid, they did not bother to call me to pick it up.
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I am building a marine 4-71 package from an industrial 4-71 I picked up.
Thank you for looking! Call me, nothing to loose.
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Cheers, Steve