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11-10-2017, 11:22 AM
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#21
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Montana Master
Join Date: Nov 2007
Location: Kville
Posts: 2,865
M.O.C. #7871
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The ratios of what's in DEF is on the back of all the containers. All I have seen are the same.
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11-10-2017, 05:08 PM
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#22
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,552
M.O.C. #2283
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I just did a google search for DEF. You don’t need to worry about where you get it or what it cost. I don’t have a truck that uses it but this is what I found out along with some other stuff:
Diesel exhaust fluid (DEF) is an aqueous urea solution made with 32.5% urea and 67.5% deionized water. It is standardised as AUS 32 (aqueous urea solution) in ISO 22241.
Lynwood
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11-10-2017, 09:16 PM
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#23
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Montana Master
Join Date: May 2017
Location: South East NC
Posts: 1,768
M.O.C. #19865
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Quote:
Originally Posted by mlh
I just did a google search for DEF. You don’t need to worry about where you get it or what it cost. I don’t have a truck that uses it but this is what I found out along with some other stuff:
Diesel exhaust fluid (DEF) is an aqueous urea solution made with 32.5% urea and 67.5% deionized water. It is standardised as AUS 32 (aqueous urea solution) in ISO 22241.
Lynwood
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Correct ~~~ it is all he same, or supposed to be. It can be contaminated and does have a shelf life so careful storing. $2.74 gallon at the pump at Pilot today.
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11-11-2017, 07:50 AM
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#24
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,552
M.O.C. #2283
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The shelf life is over a year and you can make the stuff yourself. All it is is water and urea. Cummings recommends that you don’t make it yourself, but if you are so inclined it won’t hurt a thing.
Lynwood
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11-11-2017, 07:31 PM
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#25
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Montana Master
Join Date: Oct 2017
Location: Bee Branch
Posts: 2,620
M.O.C. #20693
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DF is just UREA mixed with water. Really nothing special. The formula is exactly the same for all brands!!
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11-11-2017, 09:13 PM
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#26
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Montana Master
Join Date: May 2016
Location: Cuyahoga Falls
Posts: 699
M.O.C. #18572
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DEF is cheapest at truck stop pumps. (around $2.79/gal).
I do keep a “just in case”2 1/2 gallon jug from Autozone.
I get a discount from AutoZone.
__________________
ATC/NAC Jerry A. Burkholder, USN (RET.)
Rule #1. The Chief is always right.
Rule #2. When in doubt, refer to rule #1.
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11-11-2017, 11:16 PM
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#27
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Montana Master
Join Date: Apr 2006
Location: Mesa az
Posts: 2,953
M.O.C. #5651
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Quote:
Originally Posted by JABURKHOLDER
DEF is cheapest at truck stop pumps. (around $2.79/gal).
I do keep a “just in case”2 1/2 gallon jug from Autozone.
I get a discount from AutoZone.
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Don't keep it too long. I think DEF lifetime is 1 year or so. Shorter if in hotter temps (and maybe lower temps).
__________________
Tom and Gail
2013 Mountaineer 362
2012 Silverado 2500
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11-12-2017, 01:01 PM
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#28
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Montana Fan
Join Date: Jun 2015
Location: Beloit
Posts: 283
M.O.C. #17535
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I have used both the Walmart brand and buy at Pilot. Both work fine!
__________________
Steve & Lisa
2015 Montana High Country 353 RL | Sailuns | Kodiak Disc brakes
2015 F-350 DRW Crew Cab | Reese Goosebox
Retired and Lovin’ it!
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11-12-2017, 07:15 PM
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#29
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Montana Master
Join Date: Oct 2017
Location: Bee Branch
Posts: 2,620
M.O.C. #20693
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twindman, That map is nearly full. When ya gonna put pontoons on it to reach Hawaii?
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11-12-2017, 08:58 PM
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#30
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Montana Master
Join Date: Apr 2006
Location: Mesa az
Posts: 2,953
M.O.C. #5651
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Quote:
Originally Posted by mtlakejim
twindman, That map is nearly full. When ya gonna put pontoons on it to reach Hawaii?
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I wish I could! My daughter and hubby and 2 grandkids (5 & 6) are there now. So it would be fun to rv there.
__________________
Tom and Gail
2013 Mountaineer 362
2012 Silverado 2500
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