yes that is one. Is t pain? I looked it seems to be it needs to remove intake boot, and should be access. Any gasket goes there ?


http://www.peachparts.com/shopforum/attachments/diesel-discussion/26682d1117497091-om603-t-stat-change-thermostat.jpg

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91' MB 350 SDL, with 961 engine and #14 valve head
09' ML320 Bluetec