Sierra 18-3550 Thermostat
Sierra 18-3550 Thermostat
Sierra's 18-3550 Thermostat fits Mercruiser 120/2.5L engines with serial numbers 2324347 and higher with cast iron exhaust manifolds and Mercruiser 140-3.0L engines with serial numbers 0L340999 and below. It is interchangeable with Chrysler/Force/US Marine F84068, F84068-1, F84068-2, F85068-2, GLM 13020, Mallory 9-43020, and Mercruiser Stern Drive 59078, 59078A1, 59078B. It features a temperature rating of 140°F. Each Sierra product meets or exceeds the original equipment part it replaces.
Product Features
- Fits Mercruiser 120/2.5L engines with serial numbers 2324347 and higher with cast iron exhaust manifolds and Mercruiser 140-3.0L engines with serial numbers 0L340999 and below
- Interchangeable with Chrysler/Force/US Marine F84068, F84068-1, F84068-2, F85068-2, GLM 13020, Mallory 9-43020, and Mercruiser Stern Drive 59078, 59078A1, 59078B
- Temperature Rating: 140F
- Each Sierra product meets or exceeds the original equipment part it replaces
Buy with confidence as this product comes with 18 months full local warranty in Australia & New Zealand (unless otherwise stated in the overview).
This product also comes with the benefits of the Warranty. For further details please read our Warranty Guidelines.
You can also purchase 3 Year Extended Care. If you are interested please see our Extended Care Information.