160 Degree Thermostat | Sierra 18-3558
160 Degree Thermostat | Sierra 18-3558
Sierra
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160 Degree Thermostat | Sierra 18-3558
Thermostat used on OMC and Volvo Penta 4 cylinder fresh water cooled marine engines.
- Fits OMC 2.5L and 3.0L closed cooled marine engines from 1982 to 1988
- Fits Volvo Penta 3.0L closed cooled marine engines from 1994 to 2000
- Replaces OMC 3853799
- Replaces Volvo Penta 3853799
! 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.