Mercury & Mariner Outboard HP 75 80 90 100 115 4-Stroke Aluminium Anode Kit

Protect your Mercury or Mariner outboard from corrosion with this premium-quality aluminium anode kit. Designed as a direct replacement for the original Mercury anodes, this complete kit includes the trim tab anode, bracket anode, gearbox side pocket anodes and fitting bolts for a straightforward installation.

Ideal for use in both saltwater and brackish water, these marine-grade aluminium anodes help extend the life of your outboard by protecting vital aluminium components against galvanic corrosion.

Fits Mercury & Mariner Outboards

4-Stroke Carburettor & EFI Models (1.7L Block)

HP 75
HP 80
HP 90
HP 100
HP 115

Suitable for engines up to serial number: 2B094995

Important:
Models with serial number 2B094995 and above fitted with the 2.1L block require a different anode kit.

Kit Includes

Trim Tab Anode
Bracket Anode
Gearcase Side Pocket Anodes
Mounting Bolts

Replaces Mercury Part Numbers

31640Q04
97-818298Q1
818298Q1
826134Q

Features

Premium marine-grade aluminium anodes
Complete corrosion protection kit
Direct replacement for Mercury OEM parts
Suitable for both Carburettor and EFI models (1.7L block)
Includes all required mounting bolts
Manufactured to OEM specifications
Fully compatible and interchangeable with the original components
Excellent protection against galvanic corrosion

Why Replace Your Anodes?

Sacrificial anodes protect expensive engine components from corrosion. Regular inspection and replacement help maximise the life of your outboard, especially when operating in saltwater.

Why Buy From SSI Marine?

UK stock ready for immediate dispatch
Same working day dispatch before 1 PM (Monday–Friday)
Royal Mail Tracked 24 delivery
Technical support available
Collection available from our Leigh, Manchester workshop

Buyer Responsibility

Please check your engine model, serial number and engine block before ordering.

Although the anodes may appear identical, Mercury fitted different anode kits depending on engine block and serial number.

If you are unsure, simply send us your engine serial number and we will confirm the correct kit.

Mercury Mariner Outboard HP 75 80 90 100 115 Mercury Mariner Aluminium Anode Kit 4 Stroke 1.7L Block