Looking for the actual part number

[Bubba672]

2001 Mercury 150xl efi
Serial number 0t281563

Have been all over trying to find the part number for a trim sending unit for this engine. This is a port mounted sender. Can you help? Thank you!

[boats.net]

Part number 821180A 6
Ref# 23 in this diagram 4879 M Mercury Marine 200 SWIVEL BRACKET AND STEERING ARM Diagram and Parts

[Bubba672]

Thank you for your time!