Quicksilver 140 Degree Thermostat Kit Mercury - Mercruiser 59078Q-3

Quicksilver 140 Degree Thermostat Kit Mercury - Mercruiser 59078Q-3

Quicksilver 59078Q3 Thermostat Kit is a genuine replacement thermostat designed for older MerCruiser GM inline 4-cylinder and 6-cylinder engines. This 140°F thermostat helps regulate engine operating temperature by controlling coolant flow through the cooling system, supporting proper engine performance and reliability.

The kit includes the thermostat and cork thermostat gasket for a complete replacement solution. Installation is simple using common tools. Always refer to your owner's manual for proper thermostat removal and installation procedures.

Product Features:

• Genuine Quicksilver replacement thermostat kit
• 140°F thermostat designed for select MerCruiser engines
• Helps maintain proper engine operating temperature
• Kit includes thermostat and cork thermostat gasket
• Easy replacement using common tools
• Designed for reliable fit and performance
• Follow owner's manual instructions for installation

Fits:

• MerCruiser GM inline 4-cylinder engines (1998 and older)
• MerCruiser GM inline 6-cylinder engines (1998 and older)
• Serial Number 0L340999 and lower

Replaces:

• Mallory 9-43153
• GLM 13370
• Redline RL3650

Product Details:

• Brand: Quicksilver
• Manufacturer Part Number: 59078Q3
• Part Type: Thermostat Kit
• Thermostat Temperature: 140°F

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