Name: Sierra International 18-3569 Marine Thermostat Kit for Mercury/Mariner Outboard Motor
Brand: Sierra
SKU: 10320742
Price: 197.99 TND
Availability: InStock
Rating: 4.583333333333333 (12 reviews)

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Description

🌊 Keep your outboard cool and cruising with precision power!

ALL IN ONE KIT - Includes thermostat plus two essential gaskets for hassle-free installation and reliable sealing.
OEM GRADE QUALITY - Meets or exceeds original equipment standards for trusted durability and performance.
ADJUSTABLE RELIABLE - Thermostatic control with adjustable features to keep your marine engine running cool under pressure.
SEAMLESS COMPATIBILITY - Designed for Mercury/Mariner 70-125 HP 2-cycle outboards (1987+), ensuring perfect fit and function.
PRECISION TEMPERATURE CONTROL - Maintains optimal 120°F engine temp for peak performance and longevity.

The Sierra International 18-3569 Marine Thermostat Kit is a premium replacement part engineered for Mercury/Mariner 70-125 HP 2-cycle outboard motors from 1987 onward. Featuring a precise 120°F temperature rating, this kit includes the thermostat and two gaskets for a complete, OEM-quality installation that ensures optimal engine temperature regulation and reliable performance on the water.

Specifications

ASIN	B000N9NXLG
Additional Features	Adjustable
Best Sellers Rank	#375,295 in Automotive ( See Top 100 in Automotive ) #630 in Automotive Replacement Engine Thermostats
Brand	Sierra
Brand Name	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 out of 5 stars 160 Reviews
Display Type	touchscreen
Global Trade Identification Number	00808282112899
Included Components	Sierra 18-3569 Thermostat Kit
Item Dimensions D x W x H	5"D x 8.9"W x 5"H
Item Type Name	Sierra 18-3569 Thermostat Kit
Item Weight	1.28 ounces
Manufacturer	Sierra
Manufacturer Part Number	183569
Manufacturer Warranty Description	Limited warranty.
Material Type	Metal
Model Name	Sierra 18-3569 Thermostat Kit
Model Number	18-3569
Mounting Type	Bracket Mount
Number of Items	1
Number of Packs	1
Power Source	Battery Powered
Product Dimensions	5"D x 8.9"W x 5"H
Product Style	Classic
Special Feature	Adjustable
Specific Uses For Product	Marine Outboard Motor Control
Temperature Control Type	Thermostatic
UPC	808282112899
Unit Count	1 Count

Reviews

J**K

It works

Fits as advertised and working well. Thermostat working as it should since replacing the old one.

20.07.2026

K**.

Good part decent price

Fit and worked well

4.12.2025

A**E

Perfect fit

Fit perfect on 1996 mercury 115 2 stroke.

23.01.2026

B**S

Good

Work well

28.11.2024

A**.

Boat

Worked well for what my husband needed it for fits just right

17.12.2024

T**.

This is a perfect OEM Thermostat kit for my 1998 Mercury 115

13.08.2024

G**0

Thermostat

Perfect replacement for my mercury outboard

3.07.2024

A**T

Works perfect

90 hp Mercury

20.08.2021

D**O

Correct kit for a 1995 Merc/Mariner 90 hp

All the parts fit and came with the correct 120 degree thermostat .

13.09.2021

A**R

Thermostat and gasket for 115 HP Mercury

Great price

2.03.2018

R**E

Five Stars

fit great and no leaks!!!

19.07.2017

R**S

One Star

Wrong size gasket didn't work

24.09.2016

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

197.99 DT

Duties & taxes included

In stock

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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Sierra International 18-3569 Marine Thermostat Kit for Mercury/Mariner Outboard Motor

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Description

Specifications

Reviews

Common Questions