"O" Rings
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Senior User
Joined: Jan 2004
Posts: 211
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From: Spokane, WA
"O" Rings
I received my "O" rings today for the turbo and pedestal. Now I have a question? What is the difference between the yellow and black "O" rings?
I purchased from ITP Diesel and never considered the color. Yet, I have now read some posts concerning the yellow type "O" ring. Input please.
Jeff
I purchased from ITP Diesel and never considered the color. Yet, I have now read some posts concerning the yellow type "O" ring. Input please.
Jeff
Lead Driver
Joined: Oct 2004
Posts: 7,413
Likes: 1
From: Columbia, MO
The o-rings you got from ITP are just fine, no worries. The factory ones have a yellow coating on them. I'm not sure why though. But, all of the one's I've used have been black and no problems.
Senior User
Joined: Dec 2006
Posts: 230
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From: Cheyenne, WY
The yellow ones are Viton, and are made to withstand high-heat applications better than you're plain old rubber.
Don't know why 2 of them are black, I would call Dennis and see what they are made out of.
The ones I got from IH are all yellow.
Don't know why 2 of them are black, I would call Dennis and see what they are made out of.
The ones I got from IH are all yellow.
Lead Driver
Joined: Oct 2004
Posts: 7,413
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From: Columbia, MO
The yellow is just a coating though. When I pulled my pedistal off, the o-rings under it had the yellow coating on them, which had stuck to the pedistal. The o-rings themselves were still black. Just because they're not yellow, doesn't mean they're not Viton.
From the ITP site, as the description for their turbo pedistal o-rings:
"We have high quality Viton replacement O-Rings for the 7.3L turbo pedestal. This package includes (2) sets of O-Rings, enough to replace both the "Pedestal to Block" and "Turbo to Pedestal" seals. Whether you're doing turbo work or need to fix a leak, this set has you covered."
Apparently, the black ones from ITP are Viton.
From the ITP site, as the description for their turbo pedistal o-rings:
"We have high quality Viton replacement O-Rings for the 7.3L turbo pedestal. This package includes (2) sets of O-Rings, enough to replace both the "Pedestal to Block" and "Turbo to Pedestal" seals. Whether you're doing turbo work or need to fix a leak, this set has you covered."
Apparently, the black ones from ITP are Viton.
Senior User
Joined: Dec 2006
Posts: 230
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From: Cheyenne, WY
Cool, I didn't know they VITON ones came in black.
Some of the coating had cooked off of mine last time I pulled my turbo as well, they weren't black in the middle though, just a lighter shade of yellow/brown.
that's cool though, good to know.
Some of the coating had cooked off of mine last time I pulled my turbo as well, they weren't black in the middle though, just a lighter shade of yellow/brown.
that's cool though, good to know.
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Thread Starter
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Senior User
Joined: Jan 2004
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From: Spokane, WA
Again, Thanks for all your valuable input. next weekend, I pull the turbo, replace the "O" rings, then on to the rocker pedastal and injectors for re-torque and wire harness inspect.
Jeff
Jeff
