Description
SIERRA 143°F Johnson/Evinrude V4 Crossflow Thermostat Kit – 18-3673
The SIERRA 143°F Johnson/Evinrude V4 Crossflow Thermostat Kit – 18-3673 is a fit-specific marine service component for Johnson/Evinrude V4 crossflow outboards, including selected 65-140 HP models. It is specified at 143°F (62°C) for the applicable cooling-system configuration. It is intended to replace the corresponding OEM service part where the listed interchange and engine application match. Confirm the engine model, serial/year range and OEM number before installation.
- 143°F (62°C) thermostat-kit application for selected Johnson/Evinrude V4 crossflow outboards
- Applicable to multiple 65-140 HP crossflow configurations
- Direct aftermarket interchange for listed Johnson/Evinrude cooling-system numbers
- Supports proper engine warm-up and temperature regulation
- Confirm model, horsepower, year and OEM number before installation
Specifications
- Manufacturer: Sierra
- Part Number: 18-3673
- Product Type: Thermostat Kit
- Application: Johnson/Evinrude V4 crossflow outboards, including selected 65-140 HP models
- Temperature Rating: 143°F (62°C)
- OEM / Aftermarket Interchange: Johnson/Evinrude 340975, 340976, 434841, 5005440; GLM 13270
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