Exhaust Water Shutter (Flapper) – Fits MerCruiser 2.5L, 3.0L, 3.7L Engines (Replaces 60930, 25-43809) 173HP The arrow on the primer

The arrow on the primer bulb should point in the direction of fuel flow (from the tank to the engine)

1 x Instruction Manual

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

often superior to the aluminum used in original skegs

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 The arrow on the primerProduct 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