Four Ply Reinforced Silicone Coolant Cap Vacuum Hose Plug With Clamp for Intercooler Intake Turbo Bypass Valve Heater Core Leak Repair Gearhead Grade Heavy Duty High Temperature Resistance

High-Temp 3/4in Silicone Coolant Cap with Clamp
✔️ 1-piece cap with stainless clamp for secure seal

This four-ply reinforced silicone coolant cap plug is designed to seal intercooler hoses, turbo bypass valves, heater cores, and vacuum lines. It's a tough, heavy-duty solution used in automotive and industrial cooling systems to prevent leaks and withstand high-temperature cycles.

✅ Four-ply reinforced silicone with stainless clamp provides 50% higher burst pressure
✅ Extreme temp range -65°F to 360°F (-54°C to 182°C)
✅ Snap-on design fits intercoolers, turbo bypass valves, throttle bodies, heater cores, vacuum lines, and 15+ other systems
✅ Exact inner/outer sizing with 3/4" (19mm) cap depth for leak-free sealing
✅ Deep clamp included for vibration-proof sealing
✅ Note: incompatible with fuel, oil, diesel, or petroleum-based fluids; use only coolant/air/vacuum systems

💡 What is a handy, common use case for this coolant cap plug in automotive cooling and air systems?

- Handy seal for intercoolers, turbo bypass valves, throttle bodies, and heater cores - Helps prevent leaks during high-temp operation and rapid temperature changes - Fits 3/4 inch hose ports with a precise 19 mm inner diameter and cap depth - Ideal for temporary leak repairs in coolant/air/vacuum circuits