8M0031551 Aftermarket Mercruiser Trim/Tilt Motor | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket Mercury / Mariner 135-250 HP Trim/Tilt Motor - Part Number: 8M0031551

Heavy-duty reversible replacement motor for selected Mercury and Mariner high-output two-stroke and four-stroke outboard power-trim systems.

⚙️ Key Features

• 12 V reversible motor

• Metal motor-housing configuration

• Supports Sport XS, Pro XS, Optimax/DFI, DTS and Verado families

• Motor-only replacement

• Supersedes the applicable 828708 motor family

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 8M0031551 → Supersedes 828708

• 8M0031551 → Related to 878265A1/A4 application family

OEM / Related Numbers:

• 8M0031551

• 828708

• 828708A1

• 878265A1

• 878265A4

• ARCO 6250

• REC8M0031551

Aftermarket / Verified Equivalents:

• ARCO: 6250

• Recmar: REC8M0031551

• WSM/DB Electrical high-output Mercury motor family

🚤 Compatibility

Commonly used on:

• Mercury/Mariner high-output outboard hydraulic trim systems

Typically suits:

• Engine / drive models:

• 135, 150, 175, 200, 225 and 250 HP

• Sport XS and Pro XS

• Optimax/DFI and DTS

• Selected Verado and 3.0 L EFI engines whose diagram lists 8M0031551

• HP Range: 135-250 HP on the official application range

• Engine / Drive Type: High-output outboard trim/tilt motor

• Year Range: Approximately 1990s-2010s

• Serial / Identification Range: Confirm engine serial, flange, shaft and wire connector; 8M0031551 does not fit every engine within the HP range.

🔌 Function

Powers the hydraulic pump to trim the outboard under propeller load and tilt it through the trailer range.

Common signs of failure or replacement requirement:

• Motor fails in both directions

• Slow trim under load

• Intermittent brush or connector contact

• Corrosion/water entry

• Excessive current draw or blown fuse

📦 Condition

• Brand-new aftermarket replacement part

• Supplied as a new replacement component

• Supplied in suitable retail or equivalent packaging