160 Degree Thermostat Kit | Sierra 18-3648
160 Degree Thermostat Kit | Sierra 18-3648
Sierra
12 in stock
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160 Degree Thermostat Kit | Sierra 18-3648
160 degree thermostat kit used on Mercruiser closed cooled marine engines.
- Fits various model Mercruiser GM V-8 small block fresh water cooled engines
- Fits both 3 point and 7 point drain systems
- Kit includes 18-3649 160 degree thermostat and gaskets
- Replaces Mallory 9-43100
! Compatibility references are provided for informational purposes only and do not constitute a fitment guarantee. Part numbers, application listings, and "replaces" cross-references are based on manufacturer data and are intended as a starting point for identification — not a guarantee of fit for your specific engine, hull, or installation.
Buyer is solely responsible for verifying compatibility with their engine model, serial number, model year, and trim configuration before purchase. If you are unsure whether this part fits your application, contact MacombMarineParts.com before you buy — we're available via text, email, or online chat to help verify compatibility for your specific application.
MacombMarineParts.com is not liable for parts ordered based on assumed fitment. Returns due to buyer-selected incorrect fitment are subject to our standard return and restocking fee policies.