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Injector return line o ring source in viton?
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=85808		 Page 1 of 1
Author:  NapaBavarian [ Mon Dec 19, 2016 12:07 am ]
Post subject:  Injector return line o ring source in viton?
I'm having a bit of a leak and a great deal of searching under LLY [Duramax] revealed nothing, it seems the consensus is they only come with the replacement kit, I could probably send one into mcmaster Carr but if someone has info I could skip that step.
Author:  flash7210 [ Mon Dec 19, 2016 9:26 am ]
Post subject:  Re: Injector return line o ring source in viton?
https://sinisterdiesel.com/i-16504673-dipaco-injector-return-line-kit-for-gm-duramax-2004-5-2010-6-6l.html?utm_source=google&utm_medium=cpc&utm_campaign=PLAs-&utm_term=DipacoDieselParts&utm_content=SinisterDiesel&gclid=CM_FjJytgNECFYwDhgod_LMDqA
Author:  WWDiesel [ Mon Dec 19, 2016 10:29 am ]
Post subject:  Re: Injector return line o ring source in viton?
http://www.xtremediesel.com/DTech-DT660 ... e-Kit.aspx
xtremediesel has it for $17....
Author:  NapaBavarian [ Mon Dec 19, 2016 11:46 am ]
Post subject:  Re: Injector return line o ring source in viton?
The plastic pieces are fine and I just replaced the hoses with Mercedes hose, highest quality I have found, I just need the o rings next to the yellow fittings. I had to get a cheap kit locally when one of my fittings passed on and the only place open was cheapi-auto.partz, the o rings that came with it were no bueno.
Author:  WWDiesel [ Mon Dec 19, 2016 3:34 pm ]
Post subject:  Re: Injector return line o ring source in viton?
NapaBavarian wrote:
The plastic pieces are fine and I just replaced the hoses with Mercedes hose, highest quality I have found, I just need the o rings next to the yellow fittings. I had to get a cheap kit locally when one of my fittings passed on and the only place open was cheapi-auto.partz, the o rings that came with it were no bueno.

Harbor Frieght has a Viton O-Ring Assortment Kit for less than 10 bucks!
> http://www.harborfreight.com/180-piece- ... 67525.html

Never hurts to have a few spares.... :wink:
Author:  NapaBavarian [ Wed Dec 28, 2016 2:38 pm ]
Post subject:  Re: Injector return line o ring source in viton?
No luck locally, and I broke the front fitting. Oregon Fuel Injection had the parts for $5.xx each so I got 2 90s and 4 Ts, shipping was $14.75 priority mail but I figured I'd get them in a couple days so I spent the money, this morning they sent an email for a partial refund of $5.25, turns out they discounted the shipping to $9.50 without my asking, I'll post more when I get them, I found them under lly duramax.
Author:  NapaBavarian [ Fri Dec 30, 2016 10:23 pm ]
Post subject:  Re: Injector return line o ring source in viton?
27th after dark, ordered
28th am, received order processed email
30th mid day, in my mailbox

The cheap yellow Ts I sourced locally have crappy small square profile o rings that eventually leaked and the fuel line did not hold up, I replaced the return line with Mercedes line I keep around.

The Ts from Oregon Fuel Injection fit well and matched the originals, the o rings cross section is larger and round for a better seal. I rinsed off the top of the engine and idled for half an hour with no obvious leaks.

As of today [prices may change] 4 fittings delivered would cost $31.78, more expensive than ebay unless you consider doing the job twice or leaks an an inconvenient time, don't forget fuel return line, yours will probably be too hard and crispy to reuse.
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