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Return tee on back of engine


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I replaced mine a while back and used the factory rubber seals.  I couldn't believe how much they were but I was in a hurry so I used them.  It looked to me like a standard compression fittings would work if you can take it off and match the size.  That's what I would have done.  Maybe someone has already tried this and will chime in.

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They said that the tee fittings are back east, but the seals are in Portland.  So it does not sound like it comes in a kit unless the tee's that are back east are a set?  I will check with a cummins dealer to see what they have on hand.  I was not sure if I could just get some O-rings from the hardware store?

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I was wondering about a plastic tee that slips into a rubber hose, like a vacuum line?  There is not a lot of pressure, so not sure if that would solve the problem or just push it farther down the road?

I guess it has lasted almost 400,000 miles, so it can not be all that bad, might just have to get a few new parts and wait another 400,000 miles?

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Wonder about the failure problems all together. I'm still using the factory tee after 122 years and not had a leak at the tee yet. I will most likely just replace with proper factor seals and continue on.

Wow! I think you have the record for the oldest VP truck!!

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john deere likes to use similar tee fittings, and on them i have used a section of fuel line hose cut so i could just start the nut, and then crank it down.  never had it leak yet.... and way cheaper then the stealership or cummins....

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