Thermostat 160 Degree | Sierra 18-3552
Thermostat 160 Degree | Sierra 18-3552
Sierra
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Thermostat used on various Mercruiser fresh water cooled inboard marine engines.
160 Degree Thermostat | Sierra 18-3552
- Fits Mercruiser 470 model 4 cylinder closed cooled engines from 1976 to 1982 with serial number range 420873-6218036
- Fits Mercruiser 485 model 4 cylinder closed cooled marine engines with serial number range 5685934-6218036
- Replaces Mercury 76270T
- Replaces Mallory 9-43000
! 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.
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