Need help to identify this isx...

[Chamberpains]

Yup those 8LB numbers are not for complete engines. As far as I know the LB stands for Long Block and a long block can come with as much as everything from valve cover to oil pan minus the manifolds and turbo or as little as bare head to the crank. A short block comes with everything but the head and attaching parts. A Complete or "turn key" engine has everything including the turbo, manifolds and sometimes wiring harnesses. I had a bit of an education in all the above when it came to the 2 months ordeal of swinging an engine in my old truck. I own a CM870 with a Long Block replacement and the same type 8LB ESN. Its also Invalid on quickserve.cummins.com I simply used the original ESN from the original engine that the truck came with. You can call a dealership and get it. Then compare CPL and other numbers to make sure they swapped for exact same engine.