8M0084173 Mercury MerCruiser Voltage Regulator Kit | Genuine Quicksilver OEM Part
8M0084173 Mercury MerCruiser Voltage Regulator Kit | Genuine Quicksilver OEM Part
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🔧 Product Description
Genuine Quicksilver 20-Amp Voltage Regulator Kit - Part Number: 8M0084173
A genuine Quicksilver voltage regulator and rectifier kit for selected Mercury and Mariner two-stroke outboards.
The regulator converts stator-generated alternating current to direct current and limits charging-system voltage to protect the battery, wiring and onboard electrical equipment. The kit includes the regulator, wire leads, connectors, fuse block and attaching hardware.
⚙️ Key Features
- Genuine Quicksilver OEM voltage regulator kit
- Correct Mercury part number 8M0084173
- 20-amp charging-system regulation
- Includes wiring, connectors, mini-fuse block and hardware
- CDI Electronics replacement available
🚤 Compatibility
Commonly used on
- Mercury and Mariner 20-amp outboard charging systems
- Two-, three-, four- and six-cylinder stator systems
Typically suits
- Engine models:
- Mercury / Mariner 25HP to 40HP 2-cylinder - approximately 1995-2005
- Mercury / Mariner 45HP to 90HP 3-cylinder - approximately 1987-2007
- Mercury / Mariner 90HP to 125HP 4-cylinder - approximately 1989-2006
- Mercury V135 2.0L / 2.5L V6
- Mercury V150 2.0L / 2.5L V6
- Mercury V175 2.5L V6
- Mercury V200 2.5L V6
- Mercury V225 3.0L V6 - selected applications
- Mercury 150HP to 225HP V6 - approximately 1992-2000
- HP Range: 25HP - 225HP
- Engine Type: Mercury / Mariner two-stroke outboard with 20-amp stator charging system
- Year Range: Approximately 1987-2007, dependent on cylinder count and stator system
🔌 Function
The regulator rectifies stator AC output to DC and limits charging voltage so the battery receives a controlled charge without damaging electrical components.
⚠️ Common Signs of Failure
- Battery does not charge
- Charging voltage exceeds the safe operating range
- Tachometer becomes erratic or stops working
- Regulator wiring or connectors overheat
- Battery repeatedly boils, swells or goes flat
🔄 Supersession & Cross Reference
OEM Supersession Chain
- 8M0084173 → Supersedes 883072T
- 883072T → Supersedes 8152793
- 8152793 → Supersedes 815279A2
- 815279A2 → Replaces earlier 12082A1 regulator
- 12082A1 earlier louvered regulator reference
OEM / Related Numbers
- 8M0084173
- 883072T
- 8152793
- 815279A2
- 12082A1
- 194-5279 aftermarket reference
Aftermarket / Verified Equivalents
- CDI Electronics: 194-5279
- Recmar: regulator replacement for 883072T / 8152793
- Aftermarket 20-amp Mercury regulator / rectifier kit
📦 Condition
- Genuine Quicksilver part
- Brand new
- Supplied in original or equivalent packaging
Shipping & Delivery
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
Returns & Warranty
14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in new, unused condition for a refund or exchange. Manufacturer warranties apply to new parts. Full details in our Refunds & Returns policy.
Not sure this fits?
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.
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