1/4 VERTICAL MERCURY TANK CONNECTOR

Function and technical context

The vertical tank connector is a critical element in the fuel delivery system of Mercury engines. This 1/4" diameter component establishes the watertight connection between the petrol tank and the supply lines, guaranteeing a safe transfer of fuel to the carburetor or injection system. As it is a part subject to continuous pressure and vibration during engine operation, any deterioration in its tightness causes fuel leaks, air entry into the feeding circuit or loss of pressure in the supply line, directly affecting the performance of the engine and the safety of the boat.

When to replace this part?

The most common symptoms of failure include visible drips in the tank connection area, difficulty starting the engine especially when cold, loss of power while cruising, or detecting the smell of petrol in the engine chamber. It is recommended to inspect this connector at each seasonal inspection prior to sailing, and replace it preventively after several years of use or if any sign of corrosion, cracks or deformation is observed in its structure. Replacing this part preventively avoids breakdown at sea and costly emergency repairs.

Equivalent manufacturer part numbers