2018 GMC Sierra 1500 equipped with 6.2L V8 Gas OHV, 5.3L V8 MILD HYBRID EV-Gas MHEV OHV, 5.3L V8 Gas OHV, 5.3L V8 Flex OHV, 4.3L V6 Flex OHV
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Front
w/Switch Activated Single Speed Transfer Case 4WD
2018 GMC Sierra 1500 equipped with 6.2L V8 Gas OHV, 5.3L V8 MILD HYBRID EV-Gas MHEV OHV, 5.3L V8 Gas OHV, 5.3L V8 Flex OHV, 4.3L V6 Flex OHV
Front
w/Switch Activated Single Speed Transfer Case 4WD