Aftermarket Water Temp Sender barb size for TB lines

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Jun 7, 2021 | 12:48 PM

jdeck

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From: Western MA

Aftermarket Water Temp Sender barb size for TB lines

Planning to install an aftermarket water temp sensor at the throttle body coolant lines. Does anyone know what size barb is needed? I've tried to search but can't find the answer. Is it 3/8" or 5/16"?

Jun 7, 2021 | 01:15 PM

DaleClark

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https://www.rx7club.com/3rd-generati...2/#post4012470

Dale

Jun 28, 2021 | 08:52 AM

jdeck

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Maybe I misread but in the article, it said 5/16", which did not fit after ordering it. It ended up being 3/8" for a perfect fit.

Jun 29, 2021 | 08:43 AM

IRPerformance

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3/8 is the closest sae size to the stock throttle body coolant hoses.

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