M.B.Doc,

The opening temp. engraved on the t-stat is 80 C-degree. Would the one you mentioned (ending in 300 Behr numbering) have different opening temp. ? Looks like it's gonna fit though. I've already ordered the o ring. Please advise if I should use the t-stat or exchanged it ?

Thanks again,
Frank.

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'86 560SEL | Silver Ext. / Blue Int. | 201K miles (Apr. 05) | 204K miles (Feb. 06)