Serpentine Belt Tensioner For 17-18 GMC Sierra 1500 5.3 12670574 Gas

GMC Sierra 1500 Limited 2019-2019 5.3L. GMC Sierra 1500 2017-2018 5.3L. GM 5.3L, Engine Code L83, Direct Injetion, Without Hybrid, 2019 Silverado is LD Trim Only, Sierra 2019 is Limited trim only. Chevrolet Silverado 1500 LD 2019-2019 5.3L.