6.5TD Engine / Block Identification

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6.5TD Engine / Block Identification

Post by hummer8499 » Wed Mar 25, 2020 6:02 am

Looking for some help to understand which 6.5L engines / blocks to stay away from and which are good.
The block is cast with 12555506 in on side of the bell housing area, and 06 15 K in the other.

Can anyone provide insight on if this is considered to be one with potential issues?


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Re: 6.5TD Engine / Block Identification

Post by lkgindy » Wed Mar 25, 2020 3:20 pm

This block was cast June 15 2003. As far as I know that should be a good block.
1987 M-998 Project
1995 Hummer HT

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