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

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.