Im about to do the 100k tuneup and service on my 04. Im searching but not finding what im looking for. I could be mistaken but I seem to remember reading that there are certain brands that seem to work better. I could be thinking of something ells though. I want to say I remeber reading its best to get a Tstat a Water pump from cummins. I welcome the input guys. Thanks!

 

Cummins T-stat fer sure! No substitute

 

I'm having good luck with the Gates HD from Napa, and you can get a new water pump for around $50 w/ a lifetime warranty.

 

Don't fix it if it ain't broke! But cummins is the best!

 

Yeah?? Spend a couple hundred now on maintenance, or wait till it gets more expensive fixing??

Coolant doesn't last/protect forever. 5 years or 100,000 miles, not until your radiator/heater core is so corroded, your spending extra to FIX those issues.

The don't fix it if it ain't broke logic.

Do what you feel that makes you comfortable, won't make you 2nd guess your decission down the road.