75692 Mercury MerCruiser Thermostat | Genuine Quicksilver OEM Part
75692 Mercury MerCruiser Thermostat | Genuine Quicksilver OEM Part
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🔧 Product Description
Genuine Quicksilver Thermostat - Part Number: 75692
Genuine Quicksilver/Mercury 143-147°F thermostat for selected Mercury and Mariner V6 2-stroke outboards. This OEM thermostat regulates engine cooling temperature by controlling coolant flow through the powerhead, helping the engine reach and maintain the correct operating temperature.
⚙️ Key Features
- Genuine Quicksilver/Mercury OEM thermostat
- 143-147°F operating temperature range
- Used on selected Mercury / Mariner V6 2-stroke outboards
- Helps maintain stable engine operating temperature
- Commonly used with matching thermostat seals / service components
🚤 Compatibility
Commonly used on
- Mercury / Mariner V6 2-stroke outboard thermostat housings
- Mercury / Mariner EFI and carburetted V6 cooling systems
Typically suits
- Engine models:
- Mercury / Mariner 135HP V6 2-Stroke, serial A904646 and higher
- Mercury / Mariner 150HP V6 2-Stroke, serial A904646 and higher
- Mercury / Mariner 175HP V6 2-Stroke, serial C100861 and higher
- Mercury / Mariner 200HP V6 2-Stroke, serial 6435503 and higher
- Mercury / Mariner 135HP-200HP EFI V6 outboards where 75692 thermostat is specified
- Mercury / Mariner 135HP-200HP carburetted V6 outboards where 75692 thermostat is specified
- HP Range: 135HP - 200HP
- Engine Type: Mercury / Mariner V6 2-stroke outboard cooling system
- Year Range: Application dependent by serial range, commonly later V6 2-stroke EFI and carburetted applications
🔌 Function
The thermostat regulates engine temperature by restricting or allowing cooling water flow through the engine. Correct thermostat operation helps prevent overcooling, overheating, poor idle quality and inefficient combustion.
⚠️ Common Signs of Failure
- Engine running too cold or too hot
- Overheating alarm
- Poor idle or rough running when cold
- Thermostat stuck open or closed
- Salt, scale or debris build-up around thermostat
- Inconsistent temperature readings
- Reduced cooling-system performance
🔄 Supersession & Cross Reference
OEM Supersession Chain
- 75692
- 75692Q2 related thermostat kit / paired thermostat service reference
- 75692T2 related clamshell / kit reference
OEM / Related Numbers
- 75692
- 75692Q2
- 75692T2
- Q75692
- 75692 thermostat
- 143°F thermostat
- 147°F thermostat
Aftermarket / Verified Equivalents
- Sierra: 18-3553
- REC: REC75692
- Mallory: 9-43010
📦 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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