Manufactured to US military specification 18001K by Tecnseal in Italy, one of the worlds leading suppliers of sacrificial anodes for cathhodic protection in the leisure boat market.
Zinc Anode for ZF Sterndrives SD10 & SD12
Original Part no. 3321-301-012
Internal Diameter 64mm, height 25mm
Shortest outside measurement of the outside 113mm, longest 148mm