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Maintenance and how it is used has a lot to do with how it will perform .... Stiction eliminator in the oil and the atf/2so (the mix... newbies guide thread) in the tank. . read that 50k service cost thread i did. My unloaded daily driver had more performance related problems in the first 300k or so miles before doing the 2 things listed. Now at 482k performance never changes and it has become a rock solid truck.

Beyond the driveline, for me stock is king...
 

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If you want it to serve you well, keep it stock height and tune the motor so it is not pushing limits. Forget what the "kids" are doing, you dont know the whole picture.

(1) 50k Service & Costs | Dodge Cummins Diesel Forum (cumminsforum.com)

Here is my truck with 482k on it, photo taken 11/1 when new tires went on.



How I got there..

(1) 11 years, 345k on the clock, time for a makeover... | Page 11 | Dodge Cummins Diesel Forum (cumminsforum.com)


On the engine... Hot Shots stickion Eliminator in the oil and ATF/2SO in the fuel (see newbies guide).
 

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I must agree on STOCK is king bought my 04 brand new and at 170k on her routine maintenance yea 3 rd set of ball joints but she plows snow ,,,, regular oil and fuel filter changes at 5k miles religiously she runs and performs awesome and I don’t baby her
Except for the damn stupid RamRust she’s a beast
This... Deep Cleaning/Winter Prep of the Ram | Dodge Cummins Diesel Forum (cumminsforum.com) should be done annually if in the salt belt, and those areas prepped with Fluid Film Spray. Once I saw how much gunk gets in there, I clean it every 2~3 years. What you see in the pics is from 2015 to the date of cleaning in the thread.
 

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I ordered a '05 Laramie reg cab rwd and have owned it since new. It now has 430,000 on it all still looks good, spends winters in AZ so no rust. The last 11 years it has had a Lance camper on it and I tow a 9,000# tall box trailer about 10,000 a year. I have put in 4 - 48RE transmissions that I consider cost of driving. First one was warranty. Last one the torque converter came apart, up until then it was fine & had 125,000 on it. I went back with Jasper reman & put their 3 disk converter in it too. No issues. I lost the motor at 337,000 with an injector that stuck opened & filled cylinder with fuel & bent a rod. That sucked but again in checking for available engines, Cummins only had long block with no turbos or injectors available. Again I put Jasper reman in that was run for a day or 2 on their in shop Dyno. It has 90,000+ on it now and the only issues have been the exhaust manifolds have been changed twice. They replaced the first one no problem as less than 2 years. But it was same non-oem they sent engine out with. It warped, leaked and cracked 3,000 miles ago in a hard pull out of Rapid City pulling the trailer and manifold cracked then and was replaced again with a thick flange 2 piece the shop liked to use. Truck mostly is sitting now as a car is used in AZ winters. Standard front end replacement parts and front bearings twice since camper on it all the time. For me it's been a good truck and I have no plans of getting rid of it, I'm not rich and it still works good. I did find out that injectors don't last forever so will change around 200,000 miles as suggested by mechanic. Back in with OEM for it then I suppose.
Welcome to Cummins/forum...

Were you using any additives in the fuel up to when the injector failed?

I have learned that the Power Service Diesel does not do a good job of anything in the fuel on my truck. Switched over to an ATF/2SO mix that has allowed my injectors to out perform the previous 2 sets by leaps and bounds. Both sets went to approx 160~165k miles before needing to be swapped, the first set lived its life on the PSD and made it to 160k, 2nd set had issues as early as 125k which is when I switched over to the atf mix. The current set has lived their entire life on the mix and performed extremely well over their 160k life to date. As of now I do not see any injector issues on the horizon.

Using the ATF/2SO mix from day 1, long term report | Dodge Cummins Diesel Forum (cumminsforum.com)
 
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