A magnesium block anode for OMC Cobra sterndrives, original part number 986158-3853930. The magnesium anode is manufactured to US MIL Spec by Tecnoseal in Italy, one of the world's leading suppliers of sacrificial anodes for cathodic protection in the leisure boat market.

Every sterndrive anode sold by Anode Outlet is genuine and manufactured to the highest quality anode specification. Item(s) shown in image may not come in manufacturers€™ branded packaging due to production processes. 

Also available in:
Zinc - 00919.

Specifications:

Please refer to the diagram in the product images.
l: 92mm.
a: 45mm.
h: 40mm.
i: 51mm.
Ø: 20mm.
Ø1: 9.5mm.
Weight: 0.15kg.

Useful Links:

Category: Explore our full range of magnesium sterndrive anodes.
Blog: How often should a sacrificial anode be replaced on a boat?
Blog: Cathodic protection for boats.