ACDelco 23321478 HVAC Heater Inlet Hose

The ACDelco 23321478 is a GM Genuine Parts HVAC heater inlet hose designed to carry hot coolant from the engine to the heater core in your vehicle's climate control system. This OE-quality replacement hose is engineered to meet the rigorous standards set by General Motors, ensuring proper fit and reliable performance.

Key Features:

• GM Genuine Parts quality - designed, engineered, and tested to rigorous OE specifications
• Durable rubber construction designed to withstand high temperatures and cooling system pressure
• Precision-molded for exact fit and proper routing in GM vehicles
• Resistant to coolant, oil, and environmental degradation
• Direct replacement for your vehicle's original heater inlet hose

This heater inlet hose plays a critical role in your vehicle's heating system by transporting hot coolant to the heater core, which provides warm air to the cabin. Over time, heater hoses can deteriorate from heat, pressure, and coolant exposure, leading to leaks or failure. Replacing a worn or damaged heater hose with this genuine ACDelco part helps restore proper heating system function and prevents coolant loss.