ACDelco 15775097 HVAC Heater and Air Conditioning Control Vacuum Source Hose

The ACDelco 15775097 is a genuine GM OEM HVAC heater and air conditioning control vacuum source hose assembly. This vacuum hose provides critical vacuum supply to the heating and air conditioning system's mode control actuators, allowing proper operation of air distribution between defrost, floor, and dash vents.

Key Features:

• Genuine ACDelco OE replacement part ensures exact fit and function
• Engineered to meet GM's original equipment specifications
• Durable construction designed to withstand engine bay heat and pressure cycles
• Maintains proper vacuum signal for HVAC mode door operation
• Direct replacement for worn or cracked original vacuum hoses

This vacuum hose assembly is designed for vehicles equipped with vacuum-operated HVAC controls. When this hose fails or develops leaks, common symptoms include inability to change air flow modes, air only blowing from defrost vents, or loss of heating and cooling distribution control. Replacing a deteriorated vacuum hose restores proper HVAC system function and cabin comfort control.