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FE Power Forums => FE Technical Forum => Topic started by: manofmerc on July 30, 2026, 05:15:10 PM

Title: water pump bypass tube that goes into the intake manifold
Post by: manofmerc on July 30, 2026, 05:15:10 PM

My intake is an iron C5 that my tube has a hole that is leaking BAD .Who has these tube available ? Napa used to but their website doesnt show much for old 1973 f250 with 360-390 engines Any help will be appreciated .I will also appreciate when the weather cools off been sweating like a mule !! Thanks again Doug in Ga.

Title: Re: water pump bypass tube that goes into the intake manifold
Post by: jmlay on July 30, 2026, 05:34:41 PM

You could make your own from a section of 5/8” OD tube. There a few ready made options as well. Potentially the most economical in the search below is Eckler’s.:

https://www.google.com/search?q=ford+fe+intake+water+pump+bypass+tube

Title: Re: water pump bypass tube that goes into the intake manifold
Post by: manofmerc on July 31, 2026, 03:20:06 AM

Thanks for your help!!

Title: Re: water pump bypass tube that goes into the intake manifold
Post by: jmlay on July 31, 2026, 08:11:14 AM

You are welcome

Title: Re: water pump bypass tube that goes into the intake manifold
Post by: RustyCrankshaft on July 31, 2026, 09:54:22 AM

Pioneer also offers replacement bypass tubes in the stock configuration. I think you can still get the thread in brass ones from several places (or make your own) and Blue Thunder still has the stainless stock style press in tubes.

Title: Re: water pump bypass tube that goes into the intake manifold
Post by: manofmerc on July 31, 2026, 12:39:23 PM

I had forgotten NPD they have 12 in stock .I have 3 being sent my way .I feel lucky we can get these obscure old parts I am afraid will be hard to come by one day . This is in a 73 f250 nice 390 I built from a 352 block and 390 crank and rods c8 heads with simple bowl porting it is a good and fun runner .I plan to pull the water pump and anything else to give me some room .The old tube has a hole in it leaks lots worse than I thought it would .Thanks for the help sometimes internet searches dont go as planned for me .Doug