FITTING 1/2 x 16mm

Function and technical context

This 1/2 inch fitting with a 16 mm spigot acts as a watertight connection element between the flexible pipes and the fixed components of the circuit, guaranteeing airtightness in fuel and cooling systems of marine petrol engines. Its mission is to channel the fluid—whether petrol or cooling water—without losses or leaks, maintaining the pressure and flow necessary for the correct operation of the engine. A fitting in poor condition can cause fuel leaks with the consequent risk of fire on board, or interrupt the flow of coolant and lead to severe overheating of the engine. The 1/2" thread and 16 mm tube define compatibility with standard hydraulic installations found on medium-displacement recreational fishing and cruising boats, facilitating integration without additional modifications.

When to replace this part?

The most common symptoms that indicate that a hydraulic fitting needs to be changed are the appearance of moisture or fuel stains at the joints, the smell of petrol in the engine compartment, or a loss of pressure in the cooling circuit that causes the engine to reach temperatures higher than normal. It is recommended to visually inspect this type of coupling during each seasonal maintenance, checking the condition of the thread, the nipple and the tightening area of ​​the flexible hose. Replacing the fitting preventively at the slightest sign of corrosion or deformation prevents serious breakdowns and emergency interventions in open water.

Equivalent manufacturer part numbers