140 Degree Thermostat Kit | Sierra 18-3676
140 Degree Thermostat Kit | Sierra 18-3676
Sierra
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140 Degree Thermostat Kit | Sierra 18-3676
140 degree thermostat kit used on OMC and Volvo Penta GM big block GM marine engines.
- Fits OMC 7.4L 454 CID raw water cooled marine engines from 1994 to 1998
- Fits OMC 8.2L 502 CID raw water cooled engines manufactured in 1998
- Fits Volvo Penta 7.4L 454 CID raw water cooled marine engines from 1993 to 2000
- Kit includes 140 degree thermostat, 18-7170 o-ring, and 18-0398 gasket
- Replaces OMC 3853983
- Replaces Volvo Penta 3853983
- Replaces Mallory 9-43026
! 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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