3 Inch ID Straight Silicone Hose Coupler With 4 Ply Reinforced High Temp Construction, 150 PSI Rating, 350 Degrees Fahrenheit Max, Heavy Duty Black Silicone Connector For Turbo Intercooler And Engine Piping

3-Inch ID 4-Ply Silicone Coupler, Single, 150 PSI, 350°F
✔️ 76.2mm ID (3.00 in), 3" long, 5mm thick 4-ply silicone

This heavy-duty silicone coupler is designed to connect turbo intercooler piping and engine hoses. Built from four-ply reinforced silicone, it handles high heat and pressure in performance applications.

✅ 150 PSI max working pressure
✅ Temperature rating up to 350°F (177°C)
✅ Inner diameter: 3 inches (76.2 mm)
✅ 5 mm thick reinforced four-ply silicone walls
✅ Black logo-less finish, sold as single coupler

💡 What is a silicone hose coupler used for in automotive turbo systems?

In short, it links hoses exposed to boost and heat, keeping the system sealed.

- Handy for high-temp turbo/intercooler piping connections - Helps seal against leaks under boost and heat - Works with 3 inch hoses and 4-ply reinforced silicone