Gasket for oil pressure sending switch

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June 3rd, 2016, 01:08 PM

dnohe

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Join Date: Aug 2014

Location: VA Beach

Posts: 11

Gasket for oil pressure sending switch

In the picture below, I'm leaking around the oil pressure sending switch (34-092) and about to order a new one. I havent taken the old one out yet to look at it. Is there a gasket that will come with the new component or do I need to add something to it to form a seal.

Thanks
dean

Quote:

Originally Posted by joe_padavano

Which is exactly what the factory did on cars with gauges. The factory part looks like this and is available repro, but hardware store 1/8" NPT fittings work just fine if you don't care about 100% correct appearance.

June 3rd, 2016, 01:15 PM

joe_padavano

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Join Date: Mar 2007

Location: Northern VA

Posts: 47,655

Quote:

Originally Posted by dnohe

The sender is pipe thread. Use dope on the threads. Teflon tape may insulate the ground path for the sender.

June 3rd, 2016, 01:20 PM

oldcutlass

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Join Date: Oct 2009

Location: Poteau, Ok

Posts: 40,764

NPT=national pipe thread. It is tapered and self sealing, you can use a small amount of thread sealer if you want to. Do not use Teflon tape as they may interfere with the connection and cause erratic readings.