RACOR 90º NPT 1/4 X 5/16 PACK DE 2

Function and technical context

This 90º fitting with 1/4" x 5/16" NPT connections acts as a conduction and direction change element in the fluid circuits of the marine engine, allowing the connection of hoses and pipes at closed angles where the available space is reduced. It is integrated into cooling, fuel, lubrication or ventilation systems depending on its specific application on the vessel. Its angular configuration is critical to avoid unnecessary mechanical stress on the connections and to facilitate access to hard-to-reach areas in compact engine compartments. A failure in this component can cause fluid leaks, contamination of systems and, in serious cases, loss of pressure or entry of water into sensitive circuits.

When to replace this part?

NPT tapered fittings show wear when persistent leaks occur at the joints even after retightening the connection, hardening of the sealant, or visible crystallization at the coupling points. It is recommended that all fittings be inspected during seasonal maintenance and any fittings with a history of leaks or surface corrosion should be replaced, as the sealant on NPT threads deteriorates over time and thermal cycling. Preventative replacement of these items before the boating season prevents emergency repairs on the water and ensures the integrity of critical systems such as cooling and fuel.

Equivalent manufacturer part numbers