Marine-grade aftermarket power trim cylinder / lift ram sacrificial anode for selected Mercury MerCruiser Alpha One Generation II sterndrives.

Designed to help protect the power trim cylinders, lift ram components and surrounding underwater metal parts against galvanic corrosion.

Main Part Number: 806189Q1

Available in Zinc or Aluminium.

Suitable for selected MerCruiser Alpha One Gen II sterndrives manufactured from 1991 onwards.

Choose Your Anode Material

Zinc Anode

Traditional sacrificial anode material
Particularly suitable for saltwater applications
Suitable for installations using zinc anodes

Aluminium Anode

Marine-grade aluminium alloy
Suitable for saltwater and brackish water applications
Matches the material of Mercury's original 806189Q1 anode

Please follow Mercury's recommendations and select the appropriate material for your installation.

Fitment – MerCruiser Alpha One Gen II

Suitable for selected Mercury MerCruiser Alpha One Generation II sterndrives, introduced in 1991.

Engine Model and Horsepower Applications

The following are common MerCruiser petrol engine combinations using Alpha One Gen II sterndrives.

3.0L / 3.0LX – 4 Cylinder

135 HP
140 HP

4.3L / 4.3LX – V6

175 HP
190 HP
205 HP

5.0L / 5.0LX – V8

220 HP
230 HP

5.7L / 350 MAG – V8

250 HP
260 HP
300 HP – selected applications only

Drive Compatibility

Alpha One Generation II (Gen II)
Selected 1991-onwards models
Power trim cylinder / lift ram anode
Applications using original anode 806189Q1

Important: The engine models and horsepower ratings above are examples of engine combinations, not universal fitment guarantees.

Some MerCruiser engines were supplied with different sterndrives, including Bravo models.

Compatibility is determined by the sterndrive model, serial number and trim cylinder arrangement, not engine horsepower alone.

Not suitable for Alpha One Gen I or other drive systems unless the original anode reference is confirmed.

Replaces Mercury / MerCruiser Part Numbers

806189Q1 – Main product reference
806189
806189A1
806189T1
97-806189Q1
97-806189T1
97-8M0059341

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

Product Details

Product Type: Trim Cylinder / Lift Ram Anode
Material: Zinc or Aluminium
Application: Mercury MerCruiser Alpha One Gen II
Drive Type: Sterndrive
Engine Types: Selected 4-cylinder, V6 and V8 petrol engines
Year Range: Selected 1991-onwards applications
Location: Power trim cylinder / lift ram
Purpose: Sacrificial corrosion protection
Quality: Marine-grade aftermarket replacement
Quantity: 1 anode

Package Includes

1 × Trim Cylinder Anode

Supplied in your selected material:

Zinc
Aluminium

Mounting hardware is not included unless otherwise specified.

Please note: Alpha One Gen II installations normally use two trim cylinder anodes, one on each side.

This listing is for ONE anode only.

If replacing both sides, please order a quantity of two.

Important Compatibility Information

Before ordering, please check:

Exact MerCruiser engine model
Engine horsepower
Sterndrive model and generation
Sterndrive serial number
Original anode part number
Existing anode shape and dimensions
Trim cylinder mounting arrangement
Required anode material

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

If unsure, please contact SSI Marine with your sterndrive 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 marine specialists

Buyer Responsibility

Please confirm compatibility with your exact MerCruiser sterndrive model, generation, serial number and trim cylinder arrangement before purchase.

135–300 HP Mercury MerCruiser Alpha One Gen II Trim Cylinder Anode 806189Q1 – Zinc / Aluminium