ACDelco 55579102 GM OE Throttle Body Heater Outlet Pipe Assembly

The ACDelco 55579102 is a GM Original Equipment Fuel Injection Throttle Body Heater Outlet Pipe Assembly, designed as a direct-fit OEM replacement for GM vehicles. This small service pipe routes engine coolant flow at the throttle body to facilitate proper warm-up and prevent throttle body icing under cold operating conditions.

Key Features:

• GM OEM Quality: Designed, engineered, and tested to rigorous General Motors standards for guaranteed fit and function
• Throttle Body Icing Prevention: Routes heated coolant through the throttle body to maintain proper operating temperature and prevent icing
• Direct-Fit Replacement: Installs without modification for a hassle-free, no-hassle service experience
• OEM Durability: Provides the same performance, reliability, and service life as the original factory-installed component
• GM Backed Warranty: Covered under GM's replacement parts limited warranty

Also commonly referred to as a throttle body heater pipe or GM cooling hose, the 55579102 restores proper coolant routing to the throttle body assembly. It is an ACDelco GM Original Equipment part — the same component installed on the assembly line — ensuring a factory-correct repair.