Are Cummins fuel and air filters the same? 350 ISL. compared to 400 ISL ?
My 07 KSDP has a 350, but there has been confusion with some that it is a 400. Spartan sent me a list of filters etc in April, they also said my engine was a 400. When I challenged them to check it they came back and said I was correct it was a 350.
To add to,the confusion; when I input the engine serial number in the Cummins app, the filter numbers are no where close to the numbers I got from Spartan
I was about to order some spare fuel filters tonight and not sure which filter list they sent me
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2007 Newmar KSDP. 3912
2010 Nissan Frontier SE
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