Shop OEM General Motors Part # 12732417 (12698116). By - Passenger hose. HOSE Assembly - Thermostat Bypass. CT4; At Exhaust Manifold Outlet. Cooling system. Cooling fan. Radiator

CT4; At Exhaust Manifold Outlet. CT4; At Flow Control Valve. CT4; At Water Inlet Housing; From 07/29/22. CT4; At Water Inlet Housing; To 07/28/22. CT4; At Water Pump Inlet. CT4; Bypass To Water Pump. CT4; Flow Control Valve Inlet. CT4; Heater Outlet. Exhaust manifold outlet; CT4; From 08/26/22. Exhaust manifold outlet; CT4; To 08/25/22. Expansion tank cap; CT4.

CT4; At Exhaust Manifold Outlet.