Buy OEM 2005 General Motors Part # 11570388 (11516230, 11562101, 15768684). Hose. Clamp. (Upper, Lower). 4.3 LITER, upper. 6.0 LITER, 35mm. 6.6 LITER DIESEL, #2. 6.6 LITER DIESEL, small, 35 dia. W/EASSIST, small

Engine Coolant Reservoir Hose Clamp. Radiator Hose Clamp.. Clip. Engine Coolant Reservoir. Holder. Outlet. Radiator. Retainer. Included with: Lower Hose.

Radiator Hose ClampEngine Coolant Reservoir Hose Clamp

Fits Sierra 1500, Sierra 2500 HD, Sierra 3500 HD, Silverado

4.3 LITER, upper. 6.0 LITER, 35mm. 6.6 LITER DIESEL, #2. 6.6 LITER DIESEL, small, 35 dia. W/EASSIST, small.
Radiator - Repair or Replace
Typical symptoms for a failed radiator include both an overheating engine and a coolant leak. But some radiator failures can also result in burned or dark transmission fluid. If the cooling system in your 2005 needs attention, contact a factory-trained technician.