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By Melanie Moxon
FLYER Club Member  FLYER Club Member
I'm in the process of replacing our current mechanical combi oil pressure & Oil temperature gauge after the oil temperature capillary parted company with the bulb in the back of the sender. The idea is to fit a more modern electronic gauge.

I cannot seem to find what the thread size in the block is for the oil pressure sender, its not listed in the parts manual (the plug that can be fitted has no thread listed after searches on its P/N), from searches on this forum I have found the C-90 has a 1/8 NPTF thread, is the 0-200 (same family of engines) the same thread?

And if so can you get a 1/8NPTF to 1/8NPT adaptor as all the oil pressure senders I have found on various gauges are 1/8 NPT?

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