Thermostat sleeve 47508T is a critical brass retaining component designed for early MerCruiser V6 and V8 thermostat housings. Engineered specifically for high-horsepower sterndrive and inboard engines with Design #1 housings, this sleeve ensures your thermostat remains properly seated for reliable cooling system regulation. Produced to meet Mercury Marine original equipment manufacturer specifications.
- Brass retaining sleeve for early Design #1 thermostat housings
- Fits most MerCruiser V6 and V8 engines with 2-piece housings
- Ensures proper thermostat seating for engine cooling efficiency
- Produced to meet original equipment manufacturer specifications
- Durable brass construction resists corrosion in marine cooling systems
