Thermostat & Housing for Mercury 450R 3.4L V6/4.6L V8 175-300HP 4-Stroke
Thermostat & Housing for Mercury 450R 3.4L V6/4.6L V8 175-300HP 4-Stroke
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Thermostat & Housing for Mercury 450R 3.4L V6/4.6L V8 175-300HP 4-Stroke
Includes: Thermostat, Housing, Gaskets
Fits Models: Mercury 450R
Model Years: 2020 - Present
Submodels: N/A
Engine Options: 3.4L V6, 4.6L V8
Description: Enhance your Mercury 450R's performance with this high-quality thermostat and housing assembly. Designed specifically for 3.4L V6 and 4.6L V8 engines, this component ensures optimal engine temperature regulation, improving efficiency and longevity. The durable construction guarantees reliable operation, while the precise fitment ensures easy installation. Upgrade your marine engine's cooling system for better performance and reliability on the water.
Features:
- Engineered for Mercury 450R models from 2020 onwards
- Compatible with 3.4L V6 and 4.6L V8 engine options
- Improves engine cooling efficiency and performance
- Easy installation with included gaskets for a perfect seal
Upgrade your Mercury engine today for enhanced performance and reliability!

Thermostat & Housing for Mercury 450R 3.4L V6/4.6L V8 175-300HP 4-Stroke
Thermostat & Housing for Mercury 450R 3.4L V6/4.6L V8 175-300HP 4-Stroke
Thermostat & Housing for Mercury 450R 3.4L V6/4.6L V8 175-300HP 4-Stroke
Includes: Thermostat, Housing, Gaskets
Fits Models: Mercury 450R
Model Years: 2020 - Present
Submodels: N/A
Engine Options: 3.4L V6, 4.6L V8
Description: Enhance your Mercury 450R's performance with this high-quality thermostat and housing assembly. Designed specifically for 3.4L V6 and 4.6L V8 engines, this component ensures optimal engine temperature regulation, improving efficiency and longevity. The durable construction guarantees reliable operation, while the precise fitment ensures easy installation. Upgrade your marine engine's cooling system for better performance and reliability on the water.
Features:
- Engineered for Mercury 450R models from 2020 onwards
- Compatible with 3.4L V6 and 4.6L V8 engine options
- Improves engine cooling efficiency and performance
- Easy installation with included gaskets for a perfect seal
Upgrade your Mercury engine today for enhanced performance and reliability!