Mercury Thermostat Kit, 140°F (MerCruiser V6 & V8) 807252Q4

Mercury Thermostat Kit, 140°F (MerCruiser V6 & V8) 807252Q4 is a genuine Mercury/Quicksilver OEM replacement thermostat designed for compatible MerCruiser V6 and V8 engines with standard cooling systems. A properly functioning thermostat helps maintain the correct engine operating temperature for reliable performance, fuel efficiency, and long engine life.

Compatible with the following (w/ standard cooling):

• GM-based MerCruiser V6 engines (1983-2016)
• GM-based MerCruiser V8 engines (1983-2016, except high-performance models)
• MerCruiser 4.5L engines (2015 and newer)
• MerCruiser 6.2L engines (2015 and newer)

This 140°F thermostat is manufactured to Mercury Marine's OEM specifications for proper fit and dependable operation. Replacing a faulty thermostat helps restore proper cooling system performance and ensures the engine reaches and maintains its designed operating temperature.

Using the thermostat specified in your owner's or service manual is essential for proper engine operation. Installing the correct temperature thermostat helps maximize performance while protecting the cooling system from unnecessary wear.

Quicksilver is Mercury Marine's official parts and accessories brand, offering the same OEM quality and fit as Mercury-branded components.

To Confirm Compatibility: Contact our team with your engine serial number at (727) 596-5929 before ordering.