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DEF filling station

HEX87

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Does anyone fill their DEF at the truck diesel station?

Is the DEF that the trailer trucks use the same that we need for our Jeeps?

I know that we need "API Certified to the ISO 22241" but couldn't find that anywhere at the DEF pumps.
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jludave

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Does anyone fill their DEF at the truck diesel station?
I don’t actually have a diesel, but it if it helps any, I see people use the DEF pumps at local stations and truck stops all the time.
 

Some Random Guy

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When we first got my wife’s diesel Colorado I researched this question too. They can be used, and are the same as what you’d buy from the store.

There were horror stories about getting bad DEF from pumps causing major damage, but it seems if you stick to high traffic stops that should be mitigated. We don’t travel out of town much, so I just empty a jug in whenever her light comes on.
 

DaltonGang

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Just buy you DEF in the large box containers, at any truck stop or gas station. That's the safest thing to do. It is all pretty cheap, and easy to find now.
 

xaugievike

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I came here from Diesel trucks....

The common logic in that world was that truck stops were the best place to get DEF. B/c of the constant turnover you are getting fresh DEF whenever you need to fill (and it's a bit cheaper...at least it used to be).
 

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AppleJacks23

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I get mine bulk at the pump at Buc-ees and QT here in North Texas for my JLURD. Half the cost of the boxes.
 

Yankee1019

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The DEF that is used by big rigs is identical.
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