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What brand of oil comes in cummins from the factory??? Also what oil and oil filter does everybody run in theirs... thanks.
 

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the brand or the weight? or both? you will get a million different people on here running different oils and filter there is a whole tread dedicated to it! i like rotella and a royal purple filter
 

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I use Wix filters and Valvoline Cummins Blue oil.
 

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see it already has started a million guys running a million different oil weights, oil brands, and oil filter setups lol
 

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My dealer said they use Valvoline in them, 15w-40. I use the Valvoline Premium Blue Extreme 5w-40 with a Wix filter and have never had any issues.
 

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What brand of oil comes in cummins from the factory??? Also what oil and oil filter does everybody run in theirs... thanks.
Valvoline Premium Blue 15w-40 comes from the factory and is highly endorsed by cummins. I use fleetguard stratapore oil filters.
 

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I use a K&N oil filter and Rotella 5W-40 synthetic oil.
 

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I use the Fleetguard Stratapore filter and Delo 400 15W40. So far so good! I had free oil changes the first year I owned the truck, and the dealer used the above mentioned Valvolene 15W40 oil.
 
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