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A visual inspection showing a clogged
5-20HP Outboards (Replaces 439071
For Force/Chrysler models
this kit fits popular Alpha One Gen 2 and Bravo stern drive models
Tighten the clamps to the manufacturer's recommended torque to prevent leaks
Thermostat Kit (120°) – Fits Mercury/Mariner Outboards 6-25 HP (Replaces Mercury 14586A3, Sierra 18-3549, GLM 13120, Mallory 9-43014/9-43052) 29HP A visual inspection showing aProduct Details This Mercury Mariner Thermostat Kit (120) is designed for a wide range of Mercury and Mariner 2 stroke outboard engines from 6 to 25 HP, manufactured between 1984 and 1998. It ensures your engine maintains its optimal operating temperature for peak performance and longevity. The kit serves as a direct replacement for multiple OEM and aftermarket parts, including Mercury 14586A3, Sierra 18 3549, GLM 13120, and Mallory 9 43014 9 43052.
