Dodge Cummins Diesel Forum - View Single Post - DEF brand differences?
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post #10 of (permalink) Old 08-20-2019, 10:50 PM
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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, Ive never witnessed ANY DEF in one gallon or 2.5 gallon jugs NOT have the API certification on the packaging.

2018 RAM 4500 Chassis Tradesman Crew Cab 60 C/A 4WD, 6.7L Cummins, AISIN AS69RC Transmission, 4.10 Axle Ratio, Chrome Appearance Group, Keyless Entry, Fog Lamps, Chrome Tubular Steps, 52+22 gallon fuel tanks, 5.0 Radio, Single Disc CD Player, 225/70R19.5 Continental HDRs, Aluminum Wheels, Parkview Backup Camera, Trailer Brake Controller. Equipped with a CM SK Series flatbed w/B&W Turnover Ball. Purchased new April 23, 2018. Currently : 170,020 miles and 2,997 hours as of October 13th, 2019 (Average Miles Per Hour = 56.7)
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