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Thermostat Kit for Mercury Marine Mercruiser 2.5 and 3.0 Replaces 59078 59078Q3 18-3650

Free shipping on orders over $29.99

$23.99

$ 11 .99 $11.99

In Stock
  • New thermostat kit for GM 2.5L or 3.0L inline 4-cylinder engines
  • replaces 59078 59078Q3 18-3650
  • Also fits many inline 6 cylinder egnine
  • Includes 140 degree thermostat and gasket
  • meets or exceeds OEM specs


Thermostat Kit For Volvo Penta


Customer
Reviewed in the United States on February 17, 2025
fit works
Sparty 5
Reviewed in the United States on August 30, 2024
Used in my 1997 MerCruiser 3.0 liter marine engine.
sbbwcg
Reviewed in the United States on June 5, 2024
The thermostat replaced the thermostat in my 1987 Sea Ray Seville. I’m very happy with the way it fits and the price.
joe camilleri
Reviewed in Canada on June 29, 2024
Fits and worked perfect
chris wall
Reviewed in the United States on May 8, 2024
Product is almost half price from the manufacturer and works the same in our boat
Jerry D.
Reviewed in the United States on October 15, 2024
Replaced every 3 to 5 years on Sea Ray 175 maintenance.
Customer
Reviewed in the United States on September 1, 2023
Perfect fit
Kevin Chapman
Reviewed in Canada on May 24, 2023
Works great for 1991 3.0 l mercruiser
ouzo lou
Reviewed in the United States on March 5, 2023
This kit worked great for our 1995 Bayliner Capri 1952. 3.0l
andrea
Reviewed in Canada on November 19, 2023
Works perfect
John
Reviewed in the United States on October 2, 2019
Good quality