8M0084173 Mercury Regulator | Genuine Used Part

🔧 Product Description

Genuine Mercury Voltage Regulator / Rectifier - Part Number: 8M0084173

A genuine OEM marine electrical component used in the matching engine system. This part requires exact part-number, model and serial confirmation before fitting.

⚙️ Key Features

• Genuine OEM electrical component

• Correct part number reference 8M0084173

• Used in model-specific marine electrical systems

• Includes cross-reference and equivalent data where available

• Requires exact connector and serial / model verification

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 8M0084173 later Mercury regulator reference

• 8M0045112 related earlier / alternate service reference

• 883072T earlier regulator reference

• 854515T1 earlier regulator reference

• 854514T1 earlier regulator reference

• 830179A3 earlier regulator reference

• 830179A2 earlier regulator reference

• 815279A2 earlier regulator reference

OEM / Related Numbers:

• 8M0084173

• 8M0045112

• 815279T5

• 815279A2

• 830179A2

• 830179A3

• 854514

• 854514T1

• 854515

• 854515T1

• 883072T

• Yamaha related reference: 65W-81960-00-00

Aftermarket / Verified Equivalents:

• CDI Electronics: 194-5279

• Sierra: 18-5741

• Sierra: 18-5742

• Sierra: 18-5743

• Sierra: 18-5744

• Mallory: 9-17101

🚤 Compatibility

Commonly used on:

• Mercury Voltage Regulator / Rectifier applications

Typically suits:

• Engine models:

• Mercury 25HP - 40HP 2-cylinder applications, approximately 1995-2005

• Mercury 45HP - 90HP 3-cylinder applications, approximately 1987-2007

• Mercury 90HP - 125HP 4-cylinder applications, approximately 1989-2006

• Mercury 150HP - 225HP V6 applications, approximately 1992-2000

• Force 40HP - 150HP applications where specified

• HP Range: 25HP - 225HP Mercury / Mariner plus selected Force applications

• Engine Type: Mercury / Mariner / Force outboard charging system

• Year Range: approximately 1987 - 2007 depending on horsepower

• Serial / Model Note: Match by serial-numbered charging diagram, regulator wire count and plug layout.

🔌 Function

This part performs its assigned charging, ignition, signal or harness function in the outboard electrical system.

Common signs of failure:

• Battery not charging

• Overcharging or high battery voltage

• Charging warning or tachometer fault

• Burnt or melted regulator plug

• Blown charging-system fuse

• Battery goes flat after running

• Voltage remains incorrect after stator and battery checks

📦 Condition

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated