Shop Buick Century Radiator. Sierra, Silverado; 4.3L. W/O EASSIST, 4.3 liter. W/O EASSIST, 4.3 liter EASSIST, Liter, Cooling - OEM Buick Part # 84186716 (23126398, 23126400, 23378656, 23394780, 23445969, 84164900, 84186717)

Radiator.
Radiator.

Radiator

Fits Sierra 1500, Silverado

Sierra, Silverado; 4.3L. W/O EASSIST, 4.3 liter. W/O EASSIST, 4.3 liter, Mexico plant. W/O EASSIST, 4.3 liter, US, Venezuela plant.
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 needs attention, contact a factory-trained technician.