143 Degree Thermostat | Sierra 18-3557
143 Degree Thermostat | Sierra 18-3557
Sierra
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143 Degree Thermostat | Sierra 18-3557
Thermostat used on many different inboard and outboard marine engines.
- Fits various Mercruiser raw water cooled inboard marine engines
- Fits Chrysler/Force outboard models using 143 degree thermostat
- Replaces Mercury 47594
- Replaces Chrysler Force F335068
- Replaces OMC/Johnson/Evinrude 382385, 396987
- Replaces Volvo Penta 21148403
- Replaces Mallory 9-43024
! 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.