Tecnoseal 397768 OMC Cobra Johnson-Evinrude Gearcase Anode for 250-300 HP Engines

ID 1404279

$ 40.01

1-2 weeks delivery time

Type:

Zinc
Magnesium
Aluminium

Item:

80 g
100 g
320 g

The Tecnoseal Johnson-Evinrude Gearcase Anode is a rectangular sacrificial anode designed for OMC Cobra / Johnson-Evinrude 250–300 HP applications, corresponding to original OEM part number 397768. Available in zinc (00928), aluminium (00928AL) and magnesium (00928MG), all three versions measure 64 × 30 × 27 mm and feature a central mounting hole with a diameter of 8.5 mm. The zinc version weighs 0.32 kg (0.71 lbs), the aluminium version 0.10 kg (0.22 lbs) and the magnesium version 0.08 kg (0.18 lbs). The anode provides sacrificial corrosion protection for compatible gearcase components.

Description
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Tecnoseal 397768 OMC Cobra Johnson-Evinrude Gearcase Anode for 250–300 HP Engines

The Tecnoseal Johnson-Evinrude Gearcase Anode is a sacrificial anode designed for corrosion protection of compatible OMC Cobra and Johnson-Evinrude 250–300 HP gearcase components. It corresponds to original OEM part number 397768 and is available in three material versions: zinc, aluminium and magnesium.

The anode features a rectangular block-shaped body with a central mounting hole. All three versions share the same overall dimensions of 64 mm in length, 30 mm in width and 27 mm in height. The mounting hole diameter is 8.5 mm. The dimensions and mounting configuration remain identical across all material versions, while the weight varies according to the selected material.

Technical Specifications

Manufacturer	Tecnoseal
Product Type	Gearcase Anode
OEM Reference	OMC / Johnson-Evinrude 397768
Compatibility	OMC Cobra / Johnson-Evinrude 250–300 HP
Available Materials	Zinc, Aluminium, Magnesium
Mounting Hole Diameter	8.5 mm

Available Versions

Tecnoseal Part Number	Material	Weight
00928	Zinc	0.32 kg (0.71 lbs)
00928AL	Aluminium	0.10 kg (0.22 lbs)
00928MG (Osculati 43.317.22)	Magnesium	0.08 kg (0.18 lbs)

Dimensions

Dimension	Measurement
Length (l)	64 mm (2.52")
Width (a)	30 mm (1.18")
Height (h)	27 mm (1.06")
Mounting Hole Diameter (Ø)	8.5 mm (0.33")

Key Features

Rectangular sacrificial gearcase anode for OMC Cobra / Johnson-Evinrude applications.
Designed for compatible 250–300 HP engines.
Corresponds to original OEM part number 397768.
Available in zinc, aluminium and magnesium versions.
Block-shaped body with a central mounting hole.
Identical overall dimensions across all three materials: 64 × 30 × 27 mm.
Mounting hole diameter: 8.5 mm.
Weights: 320 g (zinc), 100 g (aluminium) and 80 g (magnesium).