Marine-grade aftermarket rear gearcase sacrificial block anode for selected Johnson and Evinrude 2-stroke outboard engines, including V4, V6, Ficht RAM and Evinrude E-TEC models.

Replaces Johnson Evinrude part numbers 393023, 392122 and 436745.

Designed to protect the gearbox and surrounding metal components against galvanic corrosion.

Available in Zinc or Aluminium.

Not suitable for Evinrude E-TEC G2 engines.

Choose Your Anode Material

Zinc: Particularly suitable for saltwater use.
Aluminium: Suitable for saltwater and brackish water applications.

Fitment

Fits selected Johnson and Evinrude 2-stroke outboards.

Conventional 2-Stroke Engines

40 HP
45 HP
48 HP
50 HP
55 HP
60 HP
65 HP
70 HP
75 HP
85 HP
88 HP
90 HP
100 HP
105 HP
110 HP
112 HP
115 HP
120 HP
125 HP
130 HP
135 HP
140 HP
150 HP
175 HP
185 HP
200 HP
225 HP
235 HP
250 HP
300 HP

Selected applications include:

V4 engines: Selected models from approximately 1982 onwards
V6 engines: Selected models from approximately 1982 onwards
Ficht RAM V4 / V6: Selected models
Evinrude E-TEC: Selected 40–300 HP models from 2004 onwards

Exclusions

Evinrude E-TEC G2 engines
Engines with a different gearcase anode mounting arrangement

Important: Not every engine or production year within these HP ranges uses this anode. Please confirm your original part number.

Replaces Johnson / Evinrude Part Numbers

393023
0393023
392122
0392122
436745
0436745
777601
0777601

OEM part numbers are used for identification purposes only.

Product Details

Rear gearcase / gearbox block sacrificial anode
Available in Zinc or Aluminium
Suitable for selected Johnson / Evinrude 2-stroke outboards
Selected V4, V6, Ficht RAM and E-TEC applications
Marine-grade aftermarket replacement
Helps protect the lower unit against galvanic corrosion
Price is for ONE anode

Package Includes

1 × Rear Gearcase Block Anode

Supplied in your selected material:

Zinc
Aluminium

Mounting hardware is not included unless otherwise specified.

Important Compatibility Information

This anode does not fit every Johnson or Evinrude 40–300 HP outboard.

Before ordering, please check:

Exact engine model and year
Engine model / serial number
Original anode part number
Existing anode shape and mounting dimensions
Correct gearcase mounting position
Mounting hole and fixing arrangement

If the part looks the same as yours, this does not always mean it is the correct part for your outboard.

If unsure, please contact SSI Marine before purchasing.

Why Buy From SSI Marine?

Workshop-tested aftermarket & OEM-spec parts
UK stock
Same-day dispatch before 1 PM Monday–Friday
Royal Mail Tracked 24
Collection available from Leigh, Greater Manchester
Technical support available

Buyer Responsibility

Please confirm compatibility with your exact engine model, year, serial number and gearcase before purchase.

40–300 HP Johnson Evinrude Outboard Gearcase Block Anode 393023 436745 – Zinc / Aluminium