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water and oil sender thread size

543 Views 7 Replies 5 Participants Last post by  88_rex_si
does anyone know what size the water temp sender and oil sender are ? i just bought some auto gage gauges (from summit racing.com....p/n atm-2391) i need to know what size thread they are ..in case i need to buy adapters . thanks
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1/8 #27 NPT pipe thread!
1/8 #27 NPT pipe thread!
Close, but he'll never find 1/8"-27 in NPT. It's BSPT.
Close, but he'll never find 1/8"-27 in NPT. It's BSPT.
x2, despite what a lot of ppl think, oil sender unit thread is NOT NPT
okay ..will an 1/8 NPT fit ?
okay ..will an 1/8 NPT fit ?
depends on what you mean by "fit". lol yes it will "fit" but it only goes in a few threads. its easy to find the correct fitting, autozone sells a bag of adapter fittings for the gauges they sell. thats where i got my 1/8 bspt to 1/8 npt fitting for my friend.

i personally spent good buck and got these http://www.pegasusautoracing.com/productdetails.asp?RecId=56
23 bucks?! Wow! Somebody's getting rich.

316 stainless fitting is $7.60 from Mcmaster-Carr. Autometer sells a brass one for about $6.

A note on the thread differences: Obviously, the thread count is different, but the angle of the thread and the peak and valley of the thread are different as well. That they are both 1/8" pipe is where the similarity ends.
will this adapter work for me oil pressure gauge , http://www.pegasusautoracing.com/productdetails.asp?RecId=1832
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