Buy 2018 Gmc Sierra 3500 HD Base Standard Cab Pickup Fleetside 6.0L Vortec V8 A/T 4WD Engine Coolant Cooling, Repair, Make - OEM Gmc Part # 23436392

A Coolant Hose that feeds Coolant back to the Overflow or recOvery bottle in a closed loop Cooling system. HVAC Heater Hose. Outlet.

Engine Coolant Overflow HoseHVAC Heater Hose

Fits Sierra 2500 HD, Sierra 3500 HD, Silverado

6.0 LITER.
Heater Hose - Repair or Replace
A heater hose transfers heat from your engine’s cooling system to your vehicle’s heater. If the hose is leaking, ruptured, or appears to be on the verge of failure, bring your 2018 GMC Sierra 3500 HD to our GMC service department for repair.