HVAC Heater Core for Chevrolet Silverado 2500 - Four Seasons. Part Type: HVAC Heater Core. Aluminum Heater Core. Heater Core. Chevrolet Silverado 2500. 1999-2002 Chevrolet Silverado 2500. 2003-2006 Chevrolet Silverado 2500 Except RPO Code D07; w/o Custom Center Console; w/o Rear Vents In Center Console;.
