Can I use Sea Foam High Mileage in a diesel oil crankcase? [SOLVED]

Can I use High Mileage in the crankcase of my diesel? On the can it just says gasoline. I’ve used Sea Foam Motor Treatment for years. Thanks…

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Jim D.
Jim D.
2 years ago

Hi Bryant. Yes, High Mileage will work great in a diesel oil crankcase!