79-817032A1 Mercury Volt Gauge | Genuine Used Part
79-817032A1 Mercury Volt Gauge | Genuine Used Part
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🔧 Product Description
Genuine Mercury Quicksilver QSI 10-16 Volt Voltmeter - Part Number: 79-817032A1
A genuine used Mercury Quicksilver QSI voltmeter for monitoring a boat's 12-volt battery and charging-system voltage.
The gauge uses a 10-16 volt scale and connects directly to switched instrument power and ground. It does not require a separate engine sender.
⚙️ Key Features
- Genuine Mercury Quicksilver OEM QSI voltmeter
- Correct Mercury part number 79-817032A1
- 10-16 volt operating scale
- Approximately 3-3/8-inch / 86 mm instrument class
- Suitable for conventional 12-volt marine electrical systems
🚤 Compatibility
Commonly used on
- Mercury, Mariner and MerCruiser 12-volt helm instrumentation
- Boats requiring a stand-alone charging-system voltmeter
Typically suits
- Engine models:
- Mercury and Mariner outboard-powered boats with a 12-volt charging system
- MerCruiser petrol sterndrive and inboard boats with a 12-volt charging system
- MerCruiser diesel installations using a 12-volt instrument circuit
- HP Range: Not engine-specific
- Engine Type: 12-volt outboard, sterndrive and inboard marine electrical system
- Year Range: Approximately late 1980s - 1990s
🔌 Function
The voltmeter displays electrical-system voltage at the dashboard. It helps show battery state before starting and alternator or stator charging performance while the engine is running.
⚠️ Common Signs of Failure
- Gauge remains at zero with switched power applied
- Voltage reading is consistently higher or lower than a test meter
- Needle fluctuates because of loose power or ground wiring
- Low reading indicates a weak battery or charging-system fault
- Gauge illumination or internal movement fails
🔄 Supersession & Cross Reference
OEM Supersession Chain
- 79-817032A1 current known OEM service reference
- 817032A1 original unprefixed Mercury reference
OEM / Related Numbers
- 79-817032A1
- 79817032A1
- 817032A1
- Mercury QSI 10-16 volt battery meter
Aftermarket / Verified Equivalents
- Stewart-Warner: 82112 - Deluxe 10-16 volt voltmeter
- Veethree: 112364 - Lido Pro 12-volt voltmeter
📦 Condition
- Genuine used part
- Removed from running engine where applicable
- In good working condition unless otherwise stated
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 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
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?
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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