Did any year of Duster come with a stock coolant overflow tank?

My '73 California Duster (318) came with a square plastic bottle that had a metal ring around the neck. It was mounted on the right inner fender next to the alternator. Couldn't find a replacement so I went with the one that mounts next to the radiator. The mounting hole were already there for that bottle.

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Crewchief, you seem to have the same aftermarket radiator than mine : a 26" Spectra
Is it?

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