Remember, Costco will take everything back, so when you change your oil take it back for a refund.
2026-08-05 02:19:09
183
BoomTruckSam :
Oil comes from the ground the same
2026-08-04 21:14:42
61
T5 Johnson :
I use Shaffers cause the oil tests was the best
2026-08-21 21:03:09
1
ProfessorGreyBeard83 :
If Costco puts their name on it, it’s probably pretty good
2026-08-04 21:48:50
3
Chancestacy44 :
Sheaffers oil all day
2026-08-05 12:37:54
8
papabravo75 :
nope. I only run Motorcraft diesel oil. that Costco oil is for gas engines, not diesel engines
2026-08-05 02:47:52
14
Bob the Builder :
I run Amsoil synthetic in my 2500HD
2026-08-05 02:16:08
6
AC :
Meijer is pronounced like Meyer
2026-08-05 13:03:31
7
Adam 🇺🇲🏴☠️ :
Meijer is pronounced like My-Er. Midwest staple like Menards lol
2026-08-05 14:15:50
5
PeteMedina63 :
I’m not a motor oil expert novice or savant of some sort. If you need that truck for your livelihood nothing that isn’t proven top notch should go into it. I may be wrong (not the first time for that) but is 20 or 30 bucks worth it? As much as you change your oil to make sure you can continue to work those dollars may add up but will it add up to a new engine?
2026-08-05 14:37:59
6
L260 :
rural king oil 🤝
4 gallons = $44
2026-08-05 13:30:50
5
thebigalboski :
The Kirkland diesel oil is Delo if I’m not mistaken. It says that it’s made by Chevron on the box.
2026-08-05 19:15:25
5
Jake :
never had any issues with it in any of my trucks or skid steers/excavators. I have been running it in my 07 LBZ for the past 150k miles truck tows 10-12k lbs daily, planning on using it on my 26 power stroke as well.
2026-08-05 18:24:43
6
Jim :
I see it says it is manufactured by Chevron. In the 2000’s I drove for Air Products. Chevron paid Air Products to run their oil in a truck I drove that truck for 1 million miles without doing an oil change. All they did was change the oil filters and topped it off during that time
2026-08-06 02:25:02
5
Cohen🌾 :
we run it in our tractors and never had a problem with how they run or how they work, we have ran it for about 12 years
2026-08-05 00:09:44
5
Andrew Kern :
I use it in my truck and my wife’s car, I don’t run hot shot but I tow 41 foot fifth wheel Camper
2026-08-05 10:35:58
8
Stepdeck Daddy :
amsoil is king 💪
2026-08-05 00:07:21
5
benick :
Delo 15-40. here..?? It's served me well..
2026-08-05 04:17:56
5
Liam :
been running Kirkland 15w40 in my 7.3 powerstroke. no issues, but I have not had an oil test.
2026-08-05 00:56:03
5
JCB :
Napa heavy duty full synthetic fleet diesel oil is my go too. I find it regularly for 20-25 a gallon cause Napa always has coupons. You can also order from Napa online for anyone who didn’t know.
2026-08-05 10:10:33
7
antonio joaquin :
The Kirkland brand is just rebranded delo so if you trust delo then it’s good for you
2026-08-05 13:11:50
7
MAURICIO🪖 :
Mobil oil is the way to go!
2026-08-05 06:33:43
6
pegleg995 :
over 700k on my 6.7 cummins... i run farm store fleet diesel oil 🤣
2026-08-05 01:48:55
5
no :
damn i need a Costco card, I run the absolute cheapest I can buy.
2026-08-05 20:44:50
5
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