Marine-grade aftermarket gearbox sacrificial anode kit for selected Johnson and Evinrude 20 HP, 25 HP, 30 HP and 35 HP 2-stroke outboard engines.

Replaces Johnson Evinrude part number 5007582, which supersedes the earlier 434029 / 0434029.

Designed to help protect the outboard gearbox and lower unit against galvanic corrosion.

Supplied as a pair of Zinc anode plates.

Fitment

Suitable for selected Johnson and Evinrude 2-stroke outboards:

20 HP: Selected models from 1991 onwards
25 HP: Selected models from 1991 onwards
30 HP: Selected models from 1991 onwards
35 HP: Selected models with the matching gearbox configuration

Additional Applications

Also used on selected later 15 HP Evinrude models, including certain E15-series engines.

Important: Fitment depends on the exact engine model, year, serial number and gearbox design. Not every engine within these HP ranges uses this anode kit.

Replaces Johnson / Evinrude Part Numbers

5007582
434029
0434029

Additional aftermarket cross-reference:

778314 / 0778314

OEM part numbers are used for identification purposes only.

Product Details

Gearbox / lower unit sacrificial anode kit
Zinc construction
Two-piece anode plate design
Suitable for selected Johnson / Evinrude 2-stroke outboards
Helps protect against galvanic corrosion
Marine-grade aftermarket replacement
Price is for ONE complete kit

Package Includes

2 × Zinc Gearbox Anode Plates

Mounting hardware is not included unless otherwise specified.

Important Compatibility Information

This kit does not fit every Johnson or Evinrude 20–35 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
Gearbox configuration

If the parts look the same as yours, this does not always mean they are correct 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 gearbox before purchase.

20–35 HP Johnson Evinrude Outboard Gearbox Anode Kit 5007582 434029 – Zinc