140° Thermostat Kit – Fits MerCruiser V6/V8 Engines 4.3–8.2L (Replaces 807252Q4, 18-3668) 150-225HP and verify the belt runs

and verify the belt runs smoothly without squealing or wobbling

but it's crucial to verify your model is listed and that it is not part of the Verado series

snug fit on certain engine models

4 x Sets of 0-9 Numbers (40 numbers total)

3L and V8 5

140° Thermostat Kit – Fits MerCruiser V6/V8 Engines 4.3–8.2L (Replaces 807252Q4, 18-3668) 150-225HP and verify the belt runsProduct Details This 140 Thermostat Kit Fits MerCruiser V6 V8 Engines 4. 38. 2L (Replaces 807252Q4, 18 3668) is designed for MerCruiser GM V6 and V8 engines (4. 3L, 5. 0L, 5. 7L, 7. 4L, 8. 2L) manufactured between 1983 and 1996 that utilize a 140 thermostat in a standard cooling system. It ensures your engine maintains the correct operating temperature for optimal performance and longevity. It serves as a direct replacement for MerCruiser 807252Q4