ACDelco 42747422 GM Original Equipment Heater Outlet Hose

The ACDelco 42747422 is a GM Original Equipment heater outlet hose designed to deliver reliable coolant flow from your vehicle's heater core back to the engine cooling system. Manufactured to GM's exacting OE specifications, this genuine replacement hose ensures proper fit and function in your GM vehicle's climate control system.

Key Features:

• GM Original Equipment part ensuring precise fit and factory-grade quality
• Constructed from durable EPDM rubber compound for heat and coolant resistance
• Engineered to withstand engine bay temperatures and pressure cycling
• Pre-formed design matches OEM routing for trouble-free installation
• Helps maintain proper heater core function and cabin heating performance
• Direct replacement for worn or deteriorated original hose

This heater outlet hose is a critical component of your vehicle's cooling and heating system, carrying hot coolant away from the heater core. Regular inspection and replacement of aging cooling system hoses helps prevent coolant leaks and maintains reliable cabin heating. As a genuine ACDelco GM OE part, this hose meets the same standards as the component installed at the factory.