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Anyone know the thread pitch on the oil pressure switch used in a 99 4.0 OHV?
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Oil pressure switch thread pitch?
- Thread starter cr_the_machinist
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It's NPT, either 1/8 or 1/4....
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holyford86
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1/4 npt
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Cool thanks guys. I found a pipe thread chart online that's laid out pretty well. 1/8 npt is 0.405" OD and 1/4 npt in 0.540" OD (major dia). Confirmed it just now with some calipers that it's 1/4 npt. Time to rig up an oil pressure sender and gauge.
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