Ambassadeur 6600W Level Wind Tube.
ABU part No 22195 or 21995.
To fit models with reel foot number as follows:
Ambassadeur SM 6600 CLW - 04-00
Ambassadeur SM 6600 CLW - 05-00
Black Max 6600W - 03-00
Please check your schematic to ensure this is the correct part for your reel.