New Thermostat Kit For Mercury For Marine 143F Degree 135-150HP 75692Q2 75692T

Thermostat Kit for Mercury

This thermostat kit is an aftermarket replacement for Mercury marine outboard engines, engineered to open at 143 degrees Fahrenheit for proper cooling in the 135-150 HP range, with OEM cross-reference numbers 75692Q2 and 75692T.

Overview

This thermostat kit for Mercury marine engines is a complete replacement assembly, including the thermostat and required gaskets. It is tuned to open at 143°F, ensuring the outboard maintains its ideal operating temperature during extended runs. Built for 135-150 horsepower Mercury outboards, this kit restores cooling system performance and helps protect the powerhead.

Built For Performance

• Accurate 143°F opening temperature for Mercury's specified marine cooling requirements
• Includes both thermostat and mounting gasket for a complete repair
• High-grade, corrosion-resistant materials withstand harsh marine environments
• Direct fit for Mercury outboards rated between 135 and 150 horsepower
• Prevents engine overheating and overcooling for consistent smooth operation

On-The-Job Use

• Keeps engine temperature stable during long-distance cruising
• Ensures quick warm-ups when launching in cold water
• Reduces thermal stress during high-speed runs or heavy throttle
• Maintains efficient fuel combustion and reduces wear on internal parts

Specs At A Glance

Good To Know

Q: Is this thermostat kit a direct replacement for the original Mercury part? A: It is designed to match the original specifications and fits Mercury outboards in the 135-150 HP range, but check your serial number for exact compatibility.

Q: What is included in the kit? A: The kit includes the thermostat and a gasket, so you have everything needed for a straightforward installation.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.