Description This is an identical replacement part for factory coolant tubes (OEM: 20406-3580). All components are manufactured in the USA from high-quality 304 Stainless Steel. Fits Western Star trucks. Tube inlet size: 1″ Beaded Tube outlet size: 1″ Beaded Hose beaded: Yes Fitting sizes: None Base tube dia. 1″ Material: 304 stainless steel
