Thermostat Kit – Fits Mercury/Mariner 25-40 HP 3-Cylinder (Replaces 825212A1, 825212001, 855676A1) 400HP 850399002 Compatible with steel and

850399002 Compatible with steel and composite timing chain covers MerCruiser 5

2003–2004 6L2-W0078-00-00

Position the new diaphragm seal

F4B-9 05-29-105 Raw water pumps Johnson Pump F7B-903

Thermostat Kit – Fits Mercury/Mariner 25-40 HP 3-Cylinder (Replaces 825212A1, 825212001, 855676A1) 400HP 850399002 Compatible with steel andProduct Details This Thermostat Kit Fits Mercury Mariner 25 40 HP 3 Cylinder Outboards (Replaces 825212A1, 825212001, 855676A1) is an essential component for maintaining correct engine operating temperature. It is designed specifically for Mercury and Mariner 2540 HP, 3 cylinder, 4 stroke outboards manufactured between 1995 and 2018. It serves as a direct interchange for multiple part numbers, including Mercury 825212A1, 825212001, and 855676A1;