...it will, as I recall it working when I was shifting parts from my 1985 300D engine to the 1983 300SD engine that was to be put in the 1985 300D body. While there were a surprising number of differences between the two, I don't recall any difficulty with the thermostat housing or connections to it.

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Der Panzermann und Fraulein Fahrvergnuegen

1991 420SEL 201K "The Big Blue One"
1985 300DT 205K chassis/285K engine nee California emissions "Goldbug"
1983 300TDT 255K "The Womble"
1983 300 DT 214K "Sea Sprite"-Rear-ended a truck
1983 300SD 285K "The Donor" Gave his life so that others can live
1980 500SL Euro 105K "Der Panzer"