8M0089940 Aftermarket Mercruiser Power Trim | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket Mercury 65-300 HP Late-Generation Power-Trim Motor - Part Number: 8M0089940

Late-generation reversible trim motor for selected Mercury/Mariner EFI outboards, principally the newer 75-115 HP four-stroke family but also catalogued across compatible 65-300 HP hydraulic units by exact part number.

⚙️ Key Features

• 12 V reversible motor

• Late power-trim assembly from serial break 2B080987 on key 75-115 HP models

• Direct replacement for 8M0089940

• Cross-references later 8M0142591

• Motor only; pump, valves and ram are separate

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 8M0142591 → Supersedes 8M0089940

OEM / Related Numbers:

• 8M0142591

• 8M0089940

• REC8M0089940

• WSM 330-315

Aftermarket / Verified Equivalents:

• Recmar: REC8M0089940

• WSM: 330-315

• Aftermarket 8M0142591/8M0089940 motors

🚤 Compatibility

Commonly used on:

• Mercury/Mariner late-generation outboard power-trim systems

Typically suits:

• Engine / drive models:

• 75, 80, 90, 100 and 115 HP EFI four-strokes from the applicable 2B080987 serial break

• Selected 65-300 HP V6/V8 EFI power-trim assemblies only where 8M0089940 is listed

• 115 HP Pro XS 1.5 L power-trim component assemblies

• Mercury/Mariner models using motor 8M0142591

• HP Range: Principally 75-115 HP; extended 65-300 HP part-number applications

• Engine / Drive Type: Late-generation outboard trim motor

• Year Range: Approximately mid-2010s onward

• Serial / Identification Range: Confirm engine serial and original motor number; do not rely on horsepower alone.

🔌 Function

Drives the hydraulic gear pump for UP/DOWN trim and full tilt operation.

Common signs of failure or replacement requirement:

• No motor response

• Slow trim movement

• Intermittent operation

• Corroded wiring or motor housing

• High current draw or repeated fuse failure

📦 Condition

• Brand-new aftermarket replacement part

• Supplied as a new replacement component

• Supplied in suitable retail or equivalent packaging