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DEF

Brady

Well-Known Member
Jun 7, 2015
1,047
419
Truck Year
2015
As long as it's within the shelf life, yes. But IMO your best bet is to fill up in bulk at a truck stop. Half the price or better and you know it's fresh.
 

WesMgc

Active Member
Aug 18, 2015
128
33
Truck Year
2014
Shelf life can be up to 2 years from what I here I get main from pump.
 

BoostN

Administrator
Staff member
Administrator
Jul 27, 2013
4,005
1,044
Truck Year
Not Listed
A good FAQ on DEF here:

http://www.noxblue.com/what-is-def/

The shelf life of DEF depends on ambient storage temperature. DEF will degrade over time depending on temperature and exposure to sunlight. Expectations for shelf life as defined by ISO Spec 22241-3 are the minimum expectations for shelf life when stored at constant temperatures. If stored between 10 and 90 deg F, shelf life will easily be one year. If the maximum temperature does not exceed approximately 75 deg F for an extended period of time, the shelf life will be two years.
 

Mharrison

Active Member
Jun 17, 2015
373
105
Truck Year
2015
Most 2.5gal containers do not have an easy to read date code but simply have a hieroglyphic code on the jug. I have a corporate email somewhere to explain it if I can dig it up.
 

Brady

Well-Known Member
Jun 7, 2015
1,047
419
Truck Year
2015
Just for reference, filled up the DEF this am at a Pilot station. In 7600 miles I used a lil over 5 gallons. At the pump I spent less than $15 @ $2.79 gal. When I went inside to pay, the 2.5 gal boxes on the shelf were $15.69. No brainer.
 

Bruce

Member
May 28, 2015
49
30
Truck Year
2015
Hey Brown, I had the exact situation happen to me. Saw that crazy 2.5 gallon for $16. I was at 7200 miles.

image.jpeg
 

Brady

Well-Known Member
Jun 7, 2015
1,047
419
Truck Year
2015
Yea. Works out to a few 1000ths of a cent per mile by bulk filling.
 

WesMgc

Active Member
Aug 18, 2015
128
33
Truck Year
2014
Bulk filling I was on empty took $20.00 to fill bulk Def
 

AzRamDiesel

Member
Jan 2, 2014
121
16
It's usually big rig (Semi) lanes that have DEF and I feel awkward in that line with my little ecodiesel.
 

Brady

Well-Known Member
Jun 7, 2015
1,047
419
Truck Year
2015
It's usually big rig (Semi) lanes that have DEF and I feel awkward in that line with my little ecodiesel.

Eh I wouldn't worry bout it. Your dollar is welcomed the same as theirs. Get in, fill up, get out. Easy.

Same token tho, if all lanes are packed I wouldn't wait unless I was in a no-restart situation but that's never gonna happen.
 
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