Okay , i want to change the oil. And the fuel filters and maybe even fuel system. If it cost more thats okay but i want the best for this truck. Fuel filters and or system, Oil filters ect....Thanks . Again, .,... 1999 Dodge extended cab 3500 Dually, 5.9 turbo diesel.

 

Chevron Delo 400 15w40, Napa Gold filters(made by Wix), aftermarket lift pump(mandatory).
That's what I run. I also have oil analysis done on engine oil to monitor engine status.