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Description
The Sierra 18-3553 Mercury Thermostat is designed for reliable engine temperature control with a precise 143° F rating. Built to meet or exceed OEM standards, it ensures proper coolant flow and helps maintain optimal operating temperatures. A dependable replacement for select Mercury Marine and GLM thermostats.
Sierra Mercury Thermostat - 18-3553 Item # 1780935
Description
Specifications:
- Temperature Rating: 143° F
Replaces:
- GLM:
- 13010
- Mallory:
- 9-43019
- Mercury Marine
- 62981
- 66850
- 75692
- 75692B