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hd5 271 fuel hose
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51HD5G View Drop Down
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Joined: 19 Sep 2019
Location: Colorado
Points: 4 		Post Options Post Options   Thanks (0) Thanks(0)   Quote 51HD5G Quote  Post ReplyReply Direct Link To This Post Topic: hd5 271 fuel hose
    Posted: 18 Oct 2023 at 12:02am
Trying to find a replacement hose, 059266 from original parts manual, the 11" hose the connects first stage fuel filter to tank. HD5G Detroit 271.  Temporarily trying hoping to get by with rtv silicone wrapped in tape.  
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Joined: 23 Dec 2020
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Points: 1799 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Codger Quote  Post ReplyReply Direct Link To This Post Posted: 18 Oct 2023 at 6:14am
Those are inverted flare fittings. I would change them both at the filter housing, and the fuel tank bung to NPT fittings barbed hose fittings and replace the hose with standard fuel line. This hose in hydraulic terms is SAE100R7 hose. Or, at the auto parts store, fuel line hose fitting the barb size you select, (usually 3/8"). 
A career built on repairing and improving engineering design deficiencies, shortcomings, and failures over 50 years now.
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Points: 41211 		Post Options Post Options   Thanks (1) Thanks(1)   Quote Coke-in-MN Quote  Post ReplyReply Direct Link To This Post Posted: 18 Oct 2023 at 11:03am
Start fresh with new fittings to replace the old hose . I replaced all hoses including the one to the bypass filter for engine oil - just had to make a restrictor to control the flow , and on the line to fuel gauge pressuer install a snubber to limit pulsation of gauge .
Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
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Joined: 19 Sep 2019
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Points: 4 		Post Options Post Options   Thanks (0) Thanks(0)   Quote 51HD5G Quote  Post ReplyReply Direct Link To This Post Posted: 18 Oct 2023 at 9:52pm
Thanks for straight forward easy fix.
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Points: 4 		Post Options Post Options   Thanks (0) Thanks(0)   Quote 51HD5G Quote  Post ReplyReply Direct Link To This Post Posted: 18 Oct 2023 at 9:59pm
The original return line is still in place.  I swapped out the line from tank to filter.  Too windy and cold to try it yet.  Tomorrow should be much better.  Would this one work?
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Joined: 12 Sep 2009
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Points: 41211 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Coke-in-MN Quote  Post ReplyReply Direct Link To This Post Posted: 21 Oct 2023 at 12:28pm
You will find out fast if fuel pressure gauge bounces the needle - I used one that had a replaceable orfise rod that controlled the pulsation . 
Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful."
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