20 GMC SIERRA DENALI 3500 NETWORK GATEWAY CONTROL MODULE 13536789
SIERRA DENALI 3500 20-23 Network Gateway; (under LH dash). SIERRA DENALI 2500 20-23 Network Gateway; (under LH dash). SIERRA 3500 PICKUP 20-23 Network Gateway; (under LH dash). SIERRA 2500 PICKUP 20-23 Network Gateway; (under LH dash).