Exhaust Water Shutter (Flapper) – Fits MerCruiser 2.5L, 3.0L, 3.7L Engines (Replaces 60930, 25-43809) 173HP water contamination in the engine

water contamination in the engine oil (giving it a milky appearance)

This ensures a tight

9 4-Stroke 1996–2004 63V-W0078-01-00

The Mercury/Quicksilver Fuel Tank Connector 22-13563Q7 is a female

The most common symptoms are engine overheating

Exhaust Water Shutter (Flapper) – Fits MerCruiser 2.5L, 3.0L, 3.7L Engines (Replaces 60930, 25-43809) 173HP water contamination in the engineProduct Details This Exhaust Water Shutter (Flapper) Fits MerCruiser 2. 5L, 3. 0L, 3. 7L Engines (Replaces 60930, 25 43809) is an essential replacement part for MerCruiser stern drives. Specifically designed for 2. 5L, 3. 0L, and 3. 7L inline 4 cylinder engines from various model years, it functions as a critical one way valve in the exhaust system to prevent water from flowing back into the engine cylinders. This part serves as a direct replacement