ACDelco 84778763 Heater Outlet Hose

The ACDelco 84778763 is a molded heater outlet hose designed to transport coolant from the engine to the heater core to provide heat in the vehicle interior. This genuine GM part is engineered specifically for Cadillac CT4 2.0L models from 2020-2025, ensuring a precise factory fit in today's tighter-fitting engine compartments.

Key Features:

• Factory-molded design in GM Original Equipment style and shape for exact fitment
• Constructed from a proprietary EPDM rubber blend for superior durability and flexibility
• Temperature rated from -40°F to 275°F (-40°C to 135°C) for extreme climate performance
• Resists electrochemical degradation (ECD), the leading cause of heater hose failure
• Approved for coolant, water, and air applications
• Direct replacement GM genuine part with 1-year manufacturer warranty

This premium molded heater hose connects critical points in your vehicle's cooling system, ensuring optimal engine temperature regulation and reliable cabin heating. The reinforced rubber construction provides long-lasting durability while maintaining flexibility for proper installation.