A zinc pencil anode, which is the same as General Motors part number 8515851. The engine 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 zinc 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. 

Brass plug available separately:

02001TP.

Specifications:

Ø: 19mm.
l: 85mm.
l1: 14mm.
b: 5/8" UNC.
Weight: 0.18kg.

Useful Links:

Category: Explore our full range of pencil anodes.
Category: Explore our full range of zinc engine anodes.
Blog: How often should a sacrificial anode be replaced on a boat?
Blog: Aluminium versus zinc anodes.