DEF brand differences? - Dodge Cummins Diesel Forum
2013-2018 General Discussion General Chit Chat About the 2013 model year differences 6.7L 4th generation Cummins - NO ADVERTISING - Sponsored by: StarLite Diesel

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post #1 of 20 (permalink) Old 08-20-2019, 07:37 PM Thread Starter
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DEF brand differences?

I was in Wallyworld yesterday and saw they had a display 2.5 gallons of their own brand of DEF which is "Super Tech" for $7.88. It had a date stamp of July 2019. I'm assuming that's manufacture date?
Peak brand Blue DEF is usually just under $13 for 2.5 gallons.
Any harm in using the cheapo stuff?

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post #2 of 20 (permalink) Old 08-20-2019, 07:43 PM
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Iíve been using Wally World def for years no problem.
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post #3 of 20 (permalink) Old 08-20-2019, 07:49 PM
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Lots of threads on this already. It's pretty much all made in the same places. A lot of folks use the Peak and a lot use the Super Tech with good results. Then there are those that only use it at the pump to ensure its freshness. The only thing I would caution on both the Super Tech and Peak is to check the seals before buying. Some folks have reported people filling the empty jug with water and returning it to customer service only to have it re-stocked back on the shelf.
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post #4 of 20 (permalink) Old 08-20-2019, 08:03 PM
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Quote:
Originally Posted by Gr8bawana View Post
I was in Wallyworld yesterday and saw they had a display 2.5 gallons of their own brand of DEF which is "Super Tech" for $7.88. It had a date stamp of July 2019. I'm assuming that's manufacture date?
Peak brand Blue DEF is usually just under $13 for 2.5 gallons.
Any harm in using the cheapo stuff?
It's all the same.

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post #5 of 20 (permalink) Old 08-20-2019, 08:12 PM
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DEF brand differences?

Quote:
Originally Posted by Gr8bawana View Post
I was in Wallyworld yesterday and saw they had a display 2.5 gallons of their own brand of DEF which is "Super Tech" for $7.88. It had a date stamp of July 2019. I'm assuming that's manufacture date?

Peak brand Blue DEF is usually just under $13 for 2.5 gallons.

Any harm in using the cheapo stuff?


Back when I bought DEF fluid I got the Peak Blue Def for $10.88 at Sams Club.


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post #6 of 20 (permalink) Old 08-20-2019, 08:32 PM
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DEF is DEF. Been using nothing but Wal Mart super tech since day one (3 years now) and no issues.


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post #7 of 20 (permalink) Old 08-20-2019, 08:35 PM
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Super Tech FTW!

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post #8 of 20 (permalink) Old 08-20-2019, 08:43 PM
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I just don't like the messy Super Tech bottles.....the ones I 've seen looked like they leak are got spilled on while being filled...and do they have any kind of security seal?

Pumps can be messy and sticky too....have gloves for that.

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post #9 of 20 (permalink) Old 08-20-2019, 10:18 PM
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I've used Travelers, Super Tech, Peak Blue. As long as the DEF meets the spec it's all the same stuff.
I'm running Super Tech at the moment from Wally World.

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post #10 of 20 (permalink) Old 08-20-2019, 10:50 PM
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Quote:
Originally Posted by Mud yapster View Post
I've used Travelers, Super Tech, Peak Blue. As long as the DEF meets the spec it's all the same stuff.
I'm running Super Tech at the moment from Wally World.
I always buy mine at the pump.....with that being said, Iíve never witnessed ANY DEF in one gallon or 2.5 gallon jugs NOT have the API certification on the packaging.
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post #11 of 20 (permalink) Old 08-20-2019, 11:31 PM
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I believe buying the DEF at the pump is the cheapest route. Fill up the old containers you're buying now.

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post #12 of 20 (permalink) Old 08-20-2019, 11:43 PM
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I only use about 15 gallons a year. As long as it gives me better MPG and power I am good...LOL

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