Thank you for your replies! I am going to post more numbers in case something stands out that would help nail it down.

Head #'s 616 016 14 01 / 80 M C

Block #'s 616 011 28 01 / 25H 80

Injection #'s PES4M50C320RS103
11 047 10112
0400074988
615 070530IEPRO1

The block is blue and the head is black.

Thanks again for taking the time to reply,Richard.