couplings - brass elbow radiator coupling with a union
Amazon.com: ICT Billet Radiator Hose Barb Coupler with 1/8" NPT Port 1-1/4" Steam Tube Adapter for LS Swap Steam/Coolant Crossover Splice Made in the USA Billet Aluminum AN627-20X125 : Automotive
New Radiator Coupling Coolant Hose Upper Connector Compatible with VW Golf Passat CC Tiguan Beetle Audi A3 TT Skoda Yeti Seat 1K0122291BE : Amazon.es: Coche y moto