Description
Quicksilver thermostat 8M0139434 fits Mercury 15-20hp EFI 2-cylinder outboards, model years 2017 and newer.
- Fits Mercury 15hp and 20hp EFI 4-stroke outboards (serial No. 0R833820 and above)
- Self-cleaning design allows cooling system contaminants to flush through closing surfaces
- Calibrated for proper cooling system temperature response
- Self-cleaning design allows cooling system contaminants to flush through closing surfaces.
- Easy to replace with common tools
- See your owner’s manual for removal of non-functioning thermostat and replacement of new thermostat
- Produced to meet Mercury Marine original equipment manufacturer specifications to maximize the performance of your Mercury and Mariner outboard or MerCruiser sterndrive


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