Chevy Silverado 4500 HD A/C Control Units
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ACDelco® - Genuine GM Parts™ HVAC Control Module (15-74863)$73.91 + Free Shipping with iD FastTrack -
ACDelco® - Genuine GM Parts™ HVAC Control Panel (15-74858)$137.10 + Free Shipping with iD FastTrack -
ACDelco® - Genuine GM Parts™ HVAC Control Panel (15-74848)$93.97 + Free Shipping with iD FastTrack -
ACDelco® - Genuine GM Parts™ HVAC Control Panel (15-74849)$99.02 + Free Shipping with iD FastTrack
