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Mercury Thermostat - 8M0174561 140 degrees Fahrenheit (60 degrees Celsius) thermostat sold individually. Thermostats regulate the engine temperature, preventing overheating by ensuring proper flow, which can lead to significant damage if the thermostat fails to open or remains stuck closed. Housing incorporates a 90 degree bend on the outflow side and internal stainless steel thermostat Housing and thermostat only. The additional seals, gaskets, clamps and attaching hardware sold separately Fits: 135-200HP 1.7L L4 Verado 4-Stroke (SN 1B227000 - 2B576734) 1 Required 200-300HP 2.6L L6 Verado 4-stroke (G1-G4) (SN 2B144122 & Below) 1 Required 200-300HP 2.6L L6 Verado 4-stroke (G5) (SN 2B144123 & Above) 1 Required 350-400HP 2.6L L6 Verado 4-Stroke (SN 2B141617 & Above) 1 Required 350HP SCI 2.6L L6 4-Stroke (SN 1B716557 – 2B43542) 1 Required 400R 2.6L L6 4-Stroke (SN 2B141124 & 3B342962) 1 Required
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🇺🇸 Ship from USA · On Agora since 2026
$191.15