Newer heavy-duty engines with advanced emissions systems (from 2007 to current model year) produce higher under-hood temperatures, requiring the use of silicone coolant hose. In these new low engine-air-flow and high-heat conditions, Gates Silicone Coolant Hose is the perfect product.

Product Features:

• Premium 4-layer construction
• High heat resistance material meets or exceeds OE specifications
• Multiple layers of first grade silicone material
• Industry-standard blue cover and orange tube for easy identification
• polyester braiding, which is not affected by coolant and heat penetration
• The very thick and flexible tube helps prevent "cold leaks and hardening caused by heat"
• The high-quality silicone lid is resistant to coolants, ozone, weather, sunlight and extreme ambient temperatures.
• Exceeds SAE J20R1, Class A requirements
• Temperature range -65 degrees F to +350 degrees F (-54 degrees C to +177 degrees C)
• Gates also offers application-specific molded silicone coolant hose for exact dimensional specifications