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Hd6 fuel return lines.
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Primos75 View Drop Down
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Joined: 08 Aug 2022
Location: North carolina
Points: 26 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Primos75 Quote  Post ReplyReply Direct Link To This Post Topic: Hd6 fuel return lines.
    Posted: 16 Jun 2025 at 7:19pm
Hello gentleman, got another question. In this process of getting this thing rebuilt. I'm looking at the fuel line that return back to the pump from the injectors. Each connector has a rubber bushings on the flared end of the copper line. Those bushings are in real bad shape. Falling apart and can't be used. What do we replace them with? Is there new fittings we can use or who has any ideas? Thanks in advance.
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gemdozer View Drop Down
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Joined: 17 Sep 2009
Points: 1066 		Post Options Post Options   Thanks (0) Thanks(0)   Quote gemdozer Quote  Post ReplyReply Direct Link To This Post Posted: 16 Jun 2025 at 8:00pm
Is it the one with the injector on the head or the one with injector on the side
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Primos75 View Drop Down
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Joined: 08 Aug 2022
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Points: 26 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Primos75 Quote  Post ReplyReply Direct Link To This Post Posted: 16 Jun 2025 at 8:02pm
I believe it's a 6000 series. Injector at slight angle in top of head
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gemdozer View Drop Down
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Joined: 17 Sep 2009
Points: 1066 		Post Options Post Options   Thanks (0) Thanks(0)   Quote gemdozer Quote  Post ReplyReply Direct Link To This Post Posted: 17 Jun 2025 at 7:53pm
I have the return line butall the rubber are no good on
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Primos75 View Drop Down
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Joined: 08 Aug 2022
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Points: 26 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Primos75 Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jun 2025 at 12:03pm
Thanks, that's what I'm looking in to. Trying to find replacement rubber
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DMiller View Drop Down
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Joined: 14 Sep 2009
Location: Hermann, Mo
Points: 34312 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DMiller Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jun 2025 at 2:16pm
Any Fuel Injection Shop will have those, Are typical on any Roosa Master or Bosch style return line.  Just take a line with you and they will understand.
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Primos75 View Drop Down
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Joined: 08 Aug 2022
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Points: 26 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Primos75 Quote  Post ReplyReply Direct Link To This Post Posted: 19 Jun 2025 at 1:36am
Out of curiosity what is the psi on the return line?
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DMiller View Drop Down
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Joined: 14 Sep 2009
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Points: 34312 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DMiller Quote  Post ReplyReply Direct Link To This Post Posted: 19 Jun 2025 at 2:45am
So long as Not Restricted, less than 5psi.
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AC Mel View Drop Down
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Joined: 23 Jan 2010
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Points: 1186 		Post Options Post Options   Thanks (0) Thanks(0)   Quote AC Mel Quote  Post ReplyReply Direct Link To This Post Posted: 19 Jun 2025 at 10:10am
Assuming those are part number 70917806....They are available from Minparr...for $2.43 ea.. I just ordered 15 yesterday....for 2 sets of 11000 engines and some for spares. 

Edited by AC Mel - 19 Jun 2025 at 10:11am
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