A small block anode, original part OMC397768. This version of the 00907 block has 3/8″ UNC thread and is machined to order, so please allow up to 3-5 working days for delivery. Equivalent to old part CM397768Z.

The outboard engine anode is manufactured to US MIL Spec by Tecnoseal in Italy, one of the worlds 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.

Fits the following outboard engines:

OMC Cobra outdrives 1987 -1989.
The gearcase of Johnson/Evinrude 250–300hp outboards, 1987–1998.
OMC 50, 60, 70, 90, 140hp
Johnson 50, 115, 120, 140hp.
Evinrude 50, 140, 200hp.

Specifications:

Please refer to the diagram in the product images.
l: 25mm.
a: 40mm.
h: 40mm.
m: 3/8" UNC.
Weight: 0.25kg.

Useful Links:

Category: Explore our full range of zinc outboard engine anodes.
Category: Explore our full range of OMC Evinrude outboard engine anodes.
Blog: How often should a sacrificial anode be replaced on a boat?
Blog: Cathodic protection for boats.
Blog: Aluminium versus zinc anodes.