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🌊 Keep your outboard cool and cruising with precision power!
The Sierra International 18-3569 Marine Thermostat Kit is a precision-engineered replacement thermostat designed for Mercury/Mariner 70-125 HP 2-cycle outboard motors from 1987 onward. Featuring a 120°F temperature rating and including all necessary gaskets, this durable metal kit ensures reliable engine temperature regulation and seamless installation. Compatible with multiple OEM parts, it delivers trusted performance and longevity for marine enthusiasts.
| ASIN | B000N9NXLG |
| Backlight | No |
| Best Sellers Rank | #918,928 in Automotive ( See Top 100 in Automotive ) #1,951 in Automotive Replacement Engine Thermostats |
| Brand | Sierra |
| Color | White |
| Connectivity Protocol | Wi-Fi |
| Connectivity Technology | Wi-Fi |
| Control Method | Touch |
| Control Type | Touchpad Control |
| Controller Type | Touch |
| Customer Reviews | 4.6 4.6 out of 5 stars (152) |
| Date First Available | February 6, 2007 |
| Display Type | touchscreen |
| Exterior | Machined |
| Global Trade Identification Number | 00808282112899 |
| Included Components | Sierra 18-3569 Thermostat Kit |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.28 ounces |
| Item model number | 18-3569 |
| Lift Type | MOTOR |
| Manufacturer | Sierra |
| Manufacturer Part Number | 183569 |
| Material | Metal |
| Model Name | Sierra 18-3569 Thermostat Kit |
| Mounting Type | Bracket Mount |
| OEM Part Number | MERCURY MARINE 803061T1 |
| Power Source | Battery Powered |
| Product Dimensions | 5"D x 8.9"W x 5"H |
| Special Feature | Adjustable |
| Special Features | Adjustable |
| Specific Uses For Product | Marine Outboard Motor Control |
| Style | Classic |
| Temperature Control Type | Thermostatic |
| UPC | 808282112899 |
K**.
Good part decent price
Fit and worked well
A**E
Perfect fit
Fit perfect on 1996 mercury 115 2 stroke.
A**.
Boat
Worked well for what my husband needed it for fits just right
B**S
Good
Work well
T**.
This is a perfect OEM Thermostat kit for my 1998 Mercury 115
This is a perfect OEM Thermostat kit for my 1998 Mercury 115
G**0
Thermostat
Perfect replacement for my mercury outboard
A**T
Works perfect
90 hp Mercury
R**K
As expected
Worked perfect for my 1996 mercury 115 2 stroke.
D**O
All the parts fit and came with the correct 120 degree thermostat .
A**R
Great price
R**E
fit great and no leaks!!!
R**S
Wrong size gasket didn't work
Trustpilot
1 month ago
1 month ago