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GM Authority

4.3L V6 EcoTec3 LV3 News

The LV3 is a 4.3-liter V6 gasoline engine produced by General Motors for use in trucks. Part of the first-generation EcoTec3 engine family, the engine was launched on the 2014 Silverado 1500 and 2014 Sierra 1500 and was subsequently used on the 2019 Silverado 1500 and 2019 Sierra 1500. This page displays news, pictures, videos, reviews, gossip and more about the GM 4.3L V6 LV3 engine.