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๐Ÿ”ง mercruiser v-6 and v-8 engine quicksilver thermostat 807252q4-140 replacement logo

๐Ÿ”ง MerCruiser V-6 and V-8 Engine Quicksilver Thermostat 807252Q4-140 Replacement Review

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Average

Revainrating 4 out of 5ย ย 
Ratingย 
3.8
๐ŸŒก๏ธ Engine Cooling & Climate Control, ๐Ÿ› ๏ธ Replacement Parts

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Description of ๐Ÿ”ง MerCruiser V-6 and V-8 Engine Quicksilver Thermostat 807252Q4-140 Replacement

Easy to replace with common shop tools. See your owner's manual for removal of non-functioning thermostat and replacement of new thermostat. 140 F degree thermostat. Use only the temperature thermostat listed in your owner's manual or service manual. Proper engine cooling temperature assures peak performance and highest efficiency. Produced by Mercury Marine to our stringent original equipment manufacturer specifications to maximize the performance of your Mercury and Mariner outboard or MerCruiser stern drive.

Reviews

Global ratings 3
  • 5
    1
  • 4
    1
  • 3
    0
  • 2
    0
  • 1
    1

Type of review

Revainrating 5 out of 5

Reliable and Efficient Thermostat

According to my experience, this replacement thermostat is a great choice for anyone looking to improve their boat's engine cooling system. The thermostat is reliable, efficient, and easy to install, and it has helped to keep my engine running smoothly even in hot weather conditions. The only con is that it may not be compatible with all boat models.

Pros
  • Easy replacement for malfunctioning thermostat in MerCruiser engine.
Cons
  • Compatibility limited to MerCruiser engines with 140 horsepower, not suitable for other types of engines.

Revainrating 1 out of 5

Missing parts! Engine Cooling and Air Conditioning

MerFail. When the package arrived, there was no seal. Looks like someone cut it open and removed the gaskets before shipping, so I received the thermostat without the structural parts as described.

Pros
  • Spare Parts
Cons
  • Functionality

Revainrating 4 out of 5

Almost complete set. ALMOST

I would give 5 stars if the thermostat housing bushing was included. Whatever you will need, trust me. This is the kit you need to replace the thermostat on your 5.7 liter Mercruiser Alpha One. You will also need to order a thermostat housing bushing. most likely you will destroy it if you remove the old thermostat. Do yourself a favor and order a body kit and bushing.

Pros
  • Engine Cooling and Air Conditioning
Cons
  • Keep quiet