??Answer me this Riddler??
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Elder User
Joined: Oct 2006
Posts: 600
Likes: 1
From: Albuquerque, NM
??Answer me this Riddler??
In a fuel bowl "O" ring thread a couple days ago a couple people mentioned using "O" rings from Lowes and McMaster. Both of these type of "O" rings are for H2O, plumbing applications. Can you really use these type of "O" rings to repair the fuel bowl drain lever? Are they all made of the same material or do you really need to use OEM or similar "O" rings in the diesel fuel application? Are they made from a different material? Does anyone really know for sure?
Postmaster
Joined: Jan 2004
Posts: 4,758
Likes: 7
From: colorado
you can ues them for a temp. fix but they will start leaking again. you need to use diesel rated o-rings if you want it to last. if you dont want to pay for the OE rings you need to fine some VITON rings, they are rated for diesel fuel
Hotshot
Joined: Nov 2006
Posts: 11,286
Likes: 263
From: North of Greenville
Viton works, but Viton-ETP is the best material. The trade names for this material are CV75, Chemtemp, and Hifluor.
Here's a link that addresses their characteristics, and is also a source for the o-rings.
http://www.marcorubber.com/viton.htm
Additionally, Buna-N rubber is equally compatible with diesel.
Here's a link that addresses all types of fluid compatibilties with various o-ring materials.
http://www.marcorubber.com/compatibility.htm
Therefore, as long as the o-rings are either Viton, Viton-ETP, or Buna-N, they will hold up as well as OEM because the OEM rings are also from one of these three materials.
Here's a link that addresses their characteristics, and is also a source for the o-rings.
http://www.marcorubber.com/viton.htm
Additionally, Buna-N rubber is equally compatible with diesel.
Here's a link that addresses all types of fluid compatibilties with various o-ring materials.
http://www.marcorubber.com/compatibility.htm
Therefore, as long as the o-rings are either Viton, Viton-ETP, or Buna-N, they will hold up as well as OEM because the OEM rings are also from one of these three materials.
Last edited by F250-Newbie; Dec 20, 2006 at 02:51 PM.
