160° Thermostat Kit – Fits MerCruiser V6 & V8 4.3L-8.2L Engines (Replaces 807252Q5) 148HP it is often a sign

it is often a sign that the switch mechanism is failing and should be replaced to avoid getting stranded

If the roller is seized and does not spin freely when launching or retrieving your boat

CRITICAL: Do not start the engine without a reliable water supply

and BF20D series

160° Thermostat Kit – Fits MerCruiser V6 & V8 4.3L-8.2L Engines (Replaces 807252Q5) 148HP it is often a signProduct Details This 160 Thermostat Kit Fits MerCruiser V6 & V8 4. 3L 8. 2L Engines (Replaces 807252Q5) is designed for MerCruiser inboard and sterndrive engines with V6 and V8 configurations from 1987 and newer. It is primarily used for 4. 3L, 5. 0L, 5. 7L, and 7. 4L 8. 2L engines, ensuring your engine operates at the correct temperature for optimal performance and longevity. This kit serves as a direct replacement for MerCruiser part numbers