HOSE ADAPTER 29-19-16mm

Function and technical context

This hose adapter with three diameters—29, 19 and 16 mm—acts as a transition piece within the water cooling circuit of outboard and stationary marine engines, allowing hose sections of different calibers to be connected without the need for modifications to the installation. Its function is to guarantee the tightness and continuity of the cooling water flow between ducts of different sections, avoiding leaks that compromise engine cooling. A faulty connection or an adapter in poor condition can cause a drop in coolant flow, with the consequent risk of overheating and serious damage to the cylinder head or engine block. The reference RU69 uniquely identifies this part to facilitate its location and replacement in the workshop or on board.

When to replace this part?

Marine rubber or plastic hose adapters tend to harden, crack or warp from continued exposure to heat, salt water and antifreeze products, symptoms that manifest as small visible leaks at the joints or as moisture marks around the adapter after boating. It is recommended to visually inspect this component during each seasonal maintenance, checking that it does not present cracks, excessive softening or slack in the hose connections. Replacing it preventively when detecting any sign of deterioration is the best way to avoid a breakdown due to overheating while sailing, the repair of which is always more expensive than the early replacement of the part.