3/4 Inch Radiator Coupler Adapter Chrome - Just Radiators
VW Audi Skoda SEAT 1.2 1.4 TSI radiator coupling connector 5Q0122291E – Partshaus Ltd
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
Rubber Coupling Hose 70mm (2 3/4") 75mm long Black - Auto Silicone Hoses
Rubber Coupling Hose 51mm (2") 250mm long Black - Auto Silicone Hoses
High Pressure Intercooler Turbo Silicone Radiator Hose Coupling - China Silicone Radiator Hose, Rubber Hose Kit | Made-in-China.com