Silicone reducers have dual-purpose design for coolant and charge air connector systems, and are constructed for extreme temperature and pressure resistance. They withstand oil, ozone, and UV rays.Associated Clamp 2582-0036/2582-0040 2584-0312/2584-0312 (not included) Benefits- Extreme Temperature Resistance;Extreme Duty Cycle Tested for Hostile Engine Environments;High Pressure Resistance;Engineered for Coolant and Charge Air Connector Systems;Engineered for Coolant and Charge Air Connector Systems