BWCA MSR Fuel Bottle O-ring size? Boundary Waters Gear Forum
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onepaddleshort
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06/12/2018 11:22AM  
I've done some searches and came up empty. I have several fuel bottles with cracking O-rings. I can pull one off and head to the store but perhaps somebody already knows what size is needed?

 
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Wick
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06/12/2018 11:51AM  
I would pull it and head to the store. If someone gives you a size you will have to verify it fits anyway.
 
Savage Voyageur
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06/12/2018 01:15PM  
Go to an equipment dealership like Caterpillar, John Deere or Cummins and go to the parts dept. They will measure and match it up for you. They have thousands of them for hydraulic hoses and pumps. Ask for a Viton o-ring. These last so much longer when used with oils and fuels. I doubt you will ever need another if you buy a viton ring. Plain rubber will crack and deteriorate over time.
 
MReid
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06/12/2018 01:24PM  
You can also get them off eBay--I just paid $5 for 5 o-rings, including postage.
 
onepaddleshort
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06/12/2018 01:40PM  
Savage Voyageur: "Go to an equipment dealership like Caterpillar, John Deere or Cummins and go to the parts dept. They will measure and match it up for you. They have thousands of them for hydraulic hoses and pumps. Ask for a Viton o-ring. These last so much longer when used with oils and fuels. I doubt you will ever need another if you buy a viton ring. Plain rubber will crack and deteriorate over time. "


Thanks, I came back to ask this exact question because I feel like I just went to the hardware store and replaced these a couple of years ago. The originals lasted some 8 years or more.
 
06/12/2018 02:03PM  
+1 on going to agricultural equipment dealership and asking for a VITON O Ring. They usually have a great supply as Savage Voyageur suggests. I have been an agricultural chemical rep in NW IL for 35 years and we ALWAYS recommend VITON vs plain rubber when working with fuel and chemicals. A little more expensive but VITON will last way longer for sure.
 
06/12/2018 04:14PM  
E-mail me I have bunches!
A stamped self addressed envelop will get ya some free.

butthead
 
onepaddleshort
distinguished member(625)distinguished memberdistinguished memberdistinguished memberdistinguished member
  
06/12/2018 05:45PM  
butthead: "E-mail me I have bunches!
A stamped self addressed envelop will get ya some free.


butthead"


This is the sort of thing that makes this one of the best spots on the Internet. I'll take you up on the deal, but I'll have to catch up with you at the Canoecopia dinner and buy you a drink.

 
06/13/2018 07:44AM  
I replaced a bunch a few years ago. I can't recall the supplier's name. It effectively was MSR, but went by a different name...??? Just a bit of poking around on the interwebs will get you there.
 
onepaddleshort
distinguished member(625)distinguished memberdistinguished memberdistinguished memberdistinguished member
  
06/25/2018 10:00AM  
butthead: "E-mail me I have bunches!
A stamped self addressed envelop will get ya some free.


butthead"


Not only am I now set with O rings thanks to butthead, but there were a couple of the MSR repair tools in the envelope too. Thank you so much! This is a site with some great folks.
 
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