• 8M0084173 Mercury Regulator | Genuine Used Part
1 1

8M0084173 Mercury Regulator | Genuine Used Part

8M0084173 Mercury Regulator | Genuine Used Part

🔥 50% off all Used Parts - while stocks last 🔥

$75.00 AUD
$150.00 AUD $75.00 AUD
Sale Sold out
Flat $14.99 shipping Australia-wide.

Out of stock

✓ Authorised Volvo Penta Dealer · Genuine used marine parts · Ships Australia-wide

🔧 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

🚤 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

🔄 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

📦 Condition

  • Genuine used part
  • Removed from running engine where applicable
  • In good working condition unless otherwise stated

Shipping & Delivery

Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.

Returns & Warranty

14-day returns — if it's not right or you ordered the wrong part, tell us within 14 days of delivery and send it back in the condition you received it (return freight is at your cost; fitted parts can't be returned). Used parts are sale items, so a return may be limited to store credit. Full details in our Refunds & Returns policy.

What you get with this used part

  • A genuine part removed from an engine, drive or jet ski dismantled in our Kadina workshop, inspected before listing. The photos show the actual part on our shelf.
  • A 14-day return period if it is not right or you ordered the wrong part.
  • Used gearboxes are pressure-tested before dispatch and carry a 30-day repair warranty. Propellers are sold as-is and priced accordingly.
  • Not sure it fits? Send us your engine model and serial number or call 0412 532 984 and we will check before you buy.

Not sure this fits?

Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.

View full details