View Full Version : isuzu 5.2l diesel
11-24-2007, 01:19 AM
i just bought a 2006 w3500 cabover and i was wondering what brand and weight oil to use. i cant find any oil that has the api rating in the manuel. i am leaning towards a 10w-30 in the winter and maybe a 15w-40 in the summer. what do you think?. also should i use oem filters.......clay
11-24-2007, 08:14 AM
I use shell rotella 15/40 year round and oem filters in my npr diesel.
11-24-2007, 01:09 PM
I use rotella 15w40 as well and buy isuzu filters. For some reason filters for my npr are $25-30 and filters for my frr are $8.
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