Heavy Duty Black 5 By 8 Inch High Temperature Four Ply Reinforced Silicone Radiator Bypass Cap With Stainless Steel Clamp For Coolant Water Air Turbo Bypass Valve Vacuum Throttle Body Water Port Heater Core Leak Fix Built To Last

Heavy-Duty 5/8in High-Temp Silicone Radiator Cap - Single Cap
✔️ 5/8 in ID reinforced silicone radiator cap, 304 stainless clamp

These high-temperature reinforced silicone caps seal coolant ports and hoses in cooling systems. They’re commonly used on turbo bypass valve ports, throttle body water ports, heater cores, vacuum lines, and leak fixes in automotive and industrial setups.

✅ Inside diameter: 16 mm (5/8 in) ID
✅ Outer diameter: 24 mm (15/16 in) OD
✅ Overall length: 42 mm (1-5/8 in)
✅ Depth: 30 mm (1.18 in)
✅ Wall thickness: 4 mm (0.16 in)
✅ Temperature rating: -65°F to 350°F (-54°C to 177°C)
✅ Material: reinforced silicone with 4-ply polyester
✅ Clamp: 304 stainless steel clip
✅ Color: Black
✅ Compatibility: Not compatible with fuel, oil, or petroleum-based products

💡 What is a high-temperature reinforced silicone radiator cap used for in cooling systems? This handy cap keeps coolant lines sealed under heat and pressure. - high-temp silicone seal for coolant ports and hoses - handy for turbo bypass ports, heater cores, and vacuum ports - stainless steel clamp resists rust and holds tight