Quicksilver 47508T Brass Retaining #1 Thermostat Sleeve for Select MerCruiser V6 and V8 Engines SpringMilitary but still delivers speeds of

but still delivers speeds of 390 feet per second

Includes replacement filter canister

1 Year Limited Warranty

Designed for mid-range Mercury and Mariner 2-stroke outboards

Quicksilver 47508T Brass Retaining #1 Thermostat Sleeve for Select MerCruiser V6 and V8 Engines SpringMilitary but still delivers speeds ofThermostat 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