24 Valve Engine and Drivetrain Discuss the 24 Valve engine and drivetrain here. No non-drivetrain discussions please. NO HIGH PERFORMANCE DISCUSSION!

How long will a 24 valve Cummins last?

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Old 07-23-2019, 04:15 AM
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Thumbs up How long will it last?

I have a 2001 Dodge 3/4 ton truck with the 24 valve Cummins Turbo Diesel engine. It also has the six-speed automatic transmission. My truck has 100,000 miles on it give or take and the only thing I have had to do to it other than put fuel and oil in it is to put in a single fuel injector at around 63,500 miles. I am the original owner and I will never get rid of this truck. Have never had an accident in it that was my fault so other than a few nicks and dents that the body shop took care of, the truck looks great and runs even better. So, the moral of the story is, if you take care of it, it will take care of you.
Old 07-23-2019, 04:39 AM
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My 1999 flatbed has 181,000 miles on it. The VP44 blew up at 180,960 ten years ago. I let the truck sit for 3-4 years then replaced the VP44 from Thoroughbred Diesel. I also bought an Airdog 100 from them at the same time. The lift pump failed in 2 miles and I just parked the truck for another 6 years. The tank sat full with diesel for 10 years. Long story short, I had to remove the truck from where I had it stored so I finally decided to get it running. Airdog replaced the failed lift pump no questions asked. I installed the new one, bled to lines and the truck fired right up and runs perfect. I’m doing some upgrades like installing gauges, wheels, dually bed, new tires etc. I’m currently chasing a brake light problem and need to replace two of the transmission cooler lines as they rubbed together and I have a pin hole leak in one of the lines.

Performance wise aside from a 4” mrbp exhaust it’s all stock.



Old 09-08-2019, 07:01 PM
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My 99 dual 5spd has 450k on it. Mostly highway with no trailer. It has pulled heavy a few times, maybe 10k total. 3rd gear grinds if you don’t double clutch but otherwise it runs great.
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