Thermostat rubber gasket 806871Q is an O-ring style seal designed for GM-based MerCruiser V6 and V8 engines equipped with 1-piece thermostat housings. Manufactured from durable, long-lasting material, this gasket resists damage from intense heat and engine vibration to ensure a watertight seal. Proper engine cooling regulation is critical for protecting engine internals and maintaining peak performance.
- O-ring style gasket for newer 1-piece style thermostat housings
- Fits MerCruiser V6 and V8 engines plus 4.5L/6.2L MPI models
- Durable material resists damage from heat and vibration
- Ensures a precision, leak-free seal for the cooling system
- Produced to meet Mercury Marine original equipment manufacturer specifications
