Part Number: 710-27-62386001
Mercury 27-62386001 Thermostat Gasket
Ensure a proper cooling system seal and reliable engine temperature control with the Mercury 27-62386001 Thermostat Gasket. Designed as a genuine OEM replacement, this gasket creates a secure seal between the thermostat housing and engine components to help prevent coolant leaks and maintain consistent cooling system pressure.
Whenever a thermostat is replaced or serviced, installing a new gasket is essential for dependable cooling system performance. Over time, gaskets can compress, crack, or deteriorate from repeated heat cycles and coolant exposure. Replacing the gasket during maintenance helps reduce the risk of leaks, overheating, and uneven sealing surfaces.
Built to Mercury Marine factory specifications, the 27-62386001 thermostat gasket is engineered for durability in harsh marine environments. Designed as a direct-fit replacement, it provides reliable sealing performance and straightforward installation for compatible MerCruiser and Mercury Marine engine applications.
Common Engine Fitments
The Mercury 27-62386001 thermostat gasket is commonly used on select MerCruiser and Mercury Marine engines, including:
- MerCruiser 3.0L
- MerCruiser 4.3L V6
- MerCruiser 5.0L V8
- MerCruiser 5.7L V8
- MerCruiser 350 MAG
- MerCruiser 6.2L MPI
These engines are frequently found in:
- Sea Ray bowriders and cruisers
- Chaparral SSi and Signature models
- Four Winns Horizon series
- Bayliner sport boats and cruisers
- Crownline bowriders
- Rinker Captiva series
The 27-62386001 gasket is commonly used during thermostat replacement and cooling system maintenance on freshwater and closed-cooling MerCruiser applications.
Fitment can vary depending on engine serial number and thermostat housing configuration, so confirming compatibility with part number 27-62386001 before ordering is recommended.
Key Features
- Genuine Mercury Marine OEM thermostat gasket
- Provides a secure seal for thermostat housing assemblies
- Helps prevent coolant leaks and pressure loss
- Designed for MerCruiser and Mercury Marine engines
- Marine-grade material built for durability
- Direct-fit replacement for easy installation
Why Replace a Thermostat Gasket?
Old gaskets can lose their sealing ability over time due to heat, vibration, and coolant exposure. Installing a new gasket during thermostat service helps maintain proper cooling system operation and reduces the risk of leaks that could lead to overheating problems.
If you’re servicing a compatible MerCruiser-powered boat, the Mercury 27-62386001 thermostat gasket delivers the OEM-quality fit and dependable sealing performance your cooling system depends on.