Forum Discussion
Ron3rd
Aug 09, 2018Explorer III
I use the Delo 400 dino oil that's always on sale at Costco for $29 for 3 gallons. Meets all specifications. Synthetics have a benefit if you live in very cold weather. Doesn't get cold enough in So Cal.
Filters are Cummins/Fleetguard from Amazon.
Filters are Cummins/Fleetguard from Amazon.
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