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germen_x 03-16-2010 03:23 AM

Engine Oil
tomorrow i will buy the engine oil and the oil filter for my 2004 grand cherokee 4.0L, can someone tell me which number i have to buy?....i think that it's 10-30 but i'm not 100% sure, thanks!!

Unholyskorn86 03-16-2010 05:37 AM

Re: Engine Oil
I put Castrol 10w-30 Synthetic BLEND (semi-synthetic) in my 99 wj 4.0L bro. Goooood stuff!

Matt 03-16-2010 09:48 AM

Re: Engine Oil
Should be on the oil cap. (Check too)

05quadratrac 03-16-2010 05:46 PM

Re: Engine Oil
Yeah it should be on the oil cap like Matt said, I switch over to all synthetic Mobile 1 on my Jeep 4.7 WK last week due to the comments I received on here and i'm happy with it though I think I would have been happy with even the cheap stuff. =D

germen_x 03-17-2010 03:37 AM

Re: Engine Oil
it's not on the oil cap, it was the first thing that i saw and nope!!

Scottina06 03-17-2010 03:41 AM

Re: Engine Oil
mobil 1 10w30 and K&N gold oil filter if you can find it

Denny boy 03-17-2010 08:04 AM

Re: Engine Oil
i run 5w-30 in the winter and 10w-30 in the summer. i did that on my old xj with the 4.0. i use mobil 1 and either the k&n gold or napa filters most dodge guys love them. also don't get a fram......

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