Ivan Posted December 7, 2005 Share Posted December 7, 2005 Tried a search but could n ot find anything. I need to know the thread size for the temp esnder for a 300 Tdi. TIA Ivan Quote Link to comment Share on other sites More sharing options...
simonb Posted December 7, 2005 Share Posted December 7, 2005 Its NPT, either 24 or 32 tpi (can't quite remember which) but i believe M10 fine is close match, well thats what my Racetech sender is.... Quote Link to comment Share on other sites More sharing options...
Turbocharger Posted December 8, 2005 Share Posted December 8, 2005 M10 screws in and jams (but is watertight) - beware there are two parts for the 300Tdi water temp sender (three, if you count the ECU-Disco ones which are back in the head, rather than in the thermostat housing). One has a parallel thread and a black ring around the contact, the other is a taper thread and has a green ring. I have the Racetech part and really rate it - As Si said, their M10 sender fits and doesn't appear to leak. JB Quote Link to comment Share on other sites More sharing options...
Ivan Posted December 8, 2005 Author Share Posted December 8, 2005 (edited) Thanks guys. It's the racetech one I am fitting so I'll tell them to send the M10 one. As an aside, how does the one in the head fit in ? Is it a case of using one or the other ? Cheers Ivan Edited December 8, 2005 by Ivan Quote Link to comment Share on other sites More sharing options...
Turbocharger Posted December 8, 2005 Share Posted December 8, 2005 There's no reason you couldn't use both I suppose. The M10 won't screw in all the way, it 'jams' against the thread but mine doesn't leak. The gauge is streets ahead of LR's gauge, you can see the thermostat working - very impressed. Quote Link to comment Share on other sites More sharing options...
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