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Sierra 18-3550 Thermostat for Mercury/Mercruiser Inboard/Outboard Marine Engines
DETAILS
• Replaces: Mercury 59078 and GLM 13020
• Temperature Rating: 140 Degrees
• Fits:
- 120 GM, 1982 to 1983 (Serial Range 5192049 THRU 6229717)
- 120 GM, 1983 to 1989 (Serial Range 6229718 THRU 0B531853)
- 140 GM, 1982 to 1983 (Serial Range 5157669 THRU 6229717)
- 140 GM, 1983 to 1989 (Serial Range 6229718 THRU 0B450800)
- 165 GM 250 I/L6, 1975 to 1978 (Serial Range 2770032 THRU 5178958)
- 2.5L GM, 1983 to 1989 (Serial Range 0B531854 THRU 0C856558)
- 3.0L GM, 1983 to 1989 (Serial Range 0B450801 THRU 0C856558)
- 3.0L GM, 1990 to 1995 (Serial Range 0C856559 THRU 0F353099)
- 3.0L GM, 1996 to 1998 (Serial Range 0L010042 THRU 0L096999)
- 3.0L GM, 1998 (Serial Range 0L097000 THRU 0W301999)
- 3.0LX GM, 1990 to 1995 (Serial Range 0C856559 THRU 0F603999)
- 3.0LX GM, 1997 to 1998 (Serial Range 0F604000 THRU 0K999999)
- 3.0LX GM 181 I/L, 1996 (Serial Range 0F604000 THRU 0K999999)
ABOUT SIERRA
Sierra is dedicated to protecting you and your investment. For 50 years Sierra, one of the most trusted names in the marine industry, has proudly been offering high quality engine and drive parts. Their products meet or exceed the original equipment part it replaces and are engineered to meet today’s high horsepower engine demands while withstanding the harsh marine environment.
SIERRA’S CUSTOMER SATISFACTION WARRANTY
All Sierra parts qualify for Sierra’s Industry Leading Customer Satisfaction Warranty. Sierra warrants its products to be free of defects in workmanship and materials for the useful life of the product. If a Sierra product fails to comply with the warranty, Sierra will repair or replace the defective product free of charge. The warranty is subject to additional terms, conditions and limitations. You can view Sierra’s full warranty located above in the Technical Specification Section.
