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O-RING DIFFERENCE?
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ac-mike View Drop Down
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Joined: 14 Sep 2009
Location: Kentucky
Points: 276 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ac-mike Quote  Post ReplyReply Direct Link To This Post Topic: O-RING DIFFERENCE?
    Posted: 17 Aug 2017 at 12:11pm
WORKING ON A WD-45D 230D ENGINE. DOES ANYONE KNOW THE DIFFERENCE BETWEEN THE SEALING O-RINGS FOR THE SLEEVES I HAVE RECEIVED FROM MINNPAR AND AGKITS. PART NUMBER IS 74500301, AGKITS O-RINGS ARE AN ORANGE COLOR AND ARE VERY PRICEY! THE MINNPAR O-RINGS ARE BLACK AND PRICED UNDER $1 EACH. I BELIEVE SOME OF THE SLEEVE SEALING RINGS WERE MADE OF A SPECIAL MATERIAL. CAN ANYONE SHED SOME LIGHT ON THIS?
D-12III, 200D, 170G, HD-3, D19D 3pt, D17D High Crop, WD45G p/s, D15IID, D15IIG, D15G IND, 655, (3)WD45D p/s, 700, 816
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steve(ill) View Drop Down
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Joined: 11 Sep 2009
Location: illinois
Points: 87090 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 17 Aug 2017 at 4:20pm
50 years ago all O-rings were BUNA - N .... that works on MOST oils but will swell when contacts gasoline or alcohol, etc...... 30 years ago they started making some O-rings from VITON or SILICON and the Viton were orange color... later on they were black, but had a couple orange stripes to designate Viton........ unless marked, you assume a black o-ring is the old BUNA- N ( standard rubber).
Like them all, but love the "B"s.
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Coke-in-MN View Drop Down
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Joined: 12 Sep 2009
Location: Afton MN
Points: 41947 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Coke-in-MN Quote  Post ReplyReply Direct Link To This Post Posted: 17 Aug 2017 at 5:17pm
figure way back many engines used Alcohol based anti-freeze in them - now finding that is next to impossible - would say minnpar should have the right material to use as they have supplied muck of ag and industrial equipment suppliers for years 
Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful."
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