Marine-grade aftermarket gearbox trim tab sacrificial anode for selected 6, 8, 9.8, 9.9, 10, 15, 18 and 20 HP Mercury / Mariner outboard engines.

Suitable for selected 2-stroke and 4-stroke models, including 209cc FourStroke, SeaPro and international engine versions.

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

Main Part Number: 853762T01

Available in Zinc or Aluminium.

Choose Your Anode Material

Zinc Anode

Traditional sacrificial anode material
Particularly suitable for saltwater applications

Aluminium Anode

Marine-grade aluminium alloy
Suitable for saltwater and brackish water applications
Lightweight alternative to zinc

Please follow the engine manufacturer's recommendations when choosing anode material.

Fitment – Mercury / Mariner Outboards

2-Stroke Models

6 HP

6 HP – 2-Cylinder, International

8 HP

8 HP – 2-Cylinder, International
8 HP SeaPro – 2-Cylinder, International

9.8 HP

9.8 HP – 2-Stroke, International

9.9 HP

9.9 HP – 2-Cylinder, International

15 HP

15 HP – 2-Cylinder, International

18 HP

18 HP – 2-Cylinder, International

4-Stroke Models

8 HP

8 HP FourStroke – 209cc

9.9 HP

9.9 HP FourStroke – 209cc

10 HP

10 HP FourStroke – 2-Cylinder Carburettor

15 HP

15 HP FourStroke – 2-Cylinder Carburettor
15 HP FourStroke – JCI Version

20 HP

20 HP FourStroke – 2-Cylinder Carburettor

Important Fitment Notes

Mercury and Mariner used different gearbox designs across engine generations.

Compatibility depends on:

Exact engine model and horsepower
2-stroke or 4-stroke configuration
Engine displacement and cylinder count
Engine production year and serial number
Gearbox design
Original trim tab part number

Not suitable for every Mercury / Mariner outboard within the listed horsepower range.

Please confirm the original anode reference before ordering.

Replaces Mercury / Nissan / Tohatsu Part Numbers

853762T01 – Mercury / Quicksilver main reference
3V1-60217-0 – Nissan / Tohatsu reference

OEM part numbers are used for identification and compatibility reference only.

Product Details

Product Type: Gearbox Trim Tab Anode
Material: Zinc or Aluminium
Application: Mercury / Mariner Outboards
Horsepower: Selected 6–20 HP
Engine Types: 2-Stroke and 4-Stroke
Engine Versions: International, SeaPro, FourStroke, 209cc, Carburettor
Mounting Thread: M6
Location: Gearbox / Lower Unit
Purpose: Sacrificial corrosion protection
Quality: Marine-grade aftermarket replacement
Quantity: 1 anode

Package Includes

1 × Gearbox Trim Tab Anode

Supplied in your selected material:

Zinc
Aluminium

Mounting hardware is not included unless otherwise specified.

Important Compatibility Information

Before ordering, please check:

Exact Mercury / Mariner engine model
Engine horsepower and stroke type
Engine production year and serial number
Gearbox configuration
Original anode part number
Existing trim tab shape and dimensions
M6 mounting thread
Required anode material

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 with your engine model and serial number for assistance.

Why Buy From SSI Marine?

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

Buyer Responsibility

Please confirm compatibility with your exact Mercury / Mariner engine model, serial number and gearbox configuration before purchase.

6–20 HP Mercury Mariner Outboard Trim Tab Anode 853762T01 – Zinc / Aluminium