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Mercury Thermostat Assembly - 8M0090819 / 892864T06 120 degrees Fahrenheit 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. Fits: 75-115HP 1.7L 4-Stroke (SN 1B366823 - 2B094995) 1 Required 75-115HP 2.1L 4-Stroke (SN 2B095049 & Above) 1 Required 115HP Pro XS 2.1L L4 4-Stroke 1 Required 150HP 3.0L EFI 4-Stroke (SN1B905505 & Above) 1 Required 150HP Pro XS 3.0L L4 4-Stroke (SN 2B550139 & Above) 1 Required
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🇺🇸 Ship from USA · On Agora since 2026
$82.99