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Osculati 43.640.11 – Tohatsu 3V1602170 8/20 HP 4 Strokes Aluminium Fin Anode
The Osculati 43.640.11 aluminium fin anode is designed to replace Tohatsu OEM part 3V1602170 and fits 8 HP to 20 HP 4-stroke Tohatsu outboards. This anode serves dual purposes—providing galvanic corrosion protection and acting as a trim tab to offset propeller-induced torque.
Cast from a high-efficiency aluminium-zinc-indium (Al-Zn-In) alloy, it is especially effective in salt and brackish waters, offering lighter weight and longer service life compared to traditional zinc. Its OEM-compatible design ensures easy installation and secure fit using the standard center bolt mount.
Key Features:
- OEM-style replacement for Tohatsu 3V1602170
- Fits 8–20 HP 4-stroke Tohatsu outboards
- Made from marine-grade Al-Zn-In aluminium alloy
- Provides excellent corrosion protection and torque compensation
- Lightweight and durable — suitable for salt and brackish waters
- Center mounting for fast OEM-fit installation
Applications:
- Tohatsu 4-stroke engines: 8 HP, 9.9 HP, 15 HP, 18 HP, 20 HP
- Saltwater and brackish water environments
- Lower unit and anti-ventilation plate protection
Technical Specifications:
Specification Value Product Code Osculati 43.640.11 Original Reference Tohatsu 3V1602170 Engine Compatibility 8–20 HP 4-stroke Tohatsu outboards Material Aluminium (Al-Zn-In alloy) Anode Type Fin / Trim Tab Mounting Center bolt Water Type Saltwater / Brackish
This aluminium fin anode is a lightweight, long-life solution for protecting smaller Tohatsu 4-stroke outboards against galvanic corrosion while also enhancing handling and torque correction.
Documents
Osculati Catalogue 2025 - page 788 Size: 299,2 Kb -