LV3 ✓ Factory-verified

GMC · Regular Production Option

Engine, 4.3L EcoTec3 V6

Years 2014, 2016–20 Models 2 Factory citations 6

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Also described as Engine, 4.3L V6

Also documented for Chevrolet

Documented applications

Sierra — K2XX (2014–2019) →

• 2014, 2016–2018 ✓ Factory-verified

  the guides add Active Fuel Management, direct injection, variable valve timing, aluminum block and FlexFuel capability.

  ⛭ GM factory document — 2014 gmc sierra 1500 fleet order guide wayback, p.4.

  ⛭ GM factory document — 2016 gmc sierra 1500 fleet order guide wayback, p.4.

  ⛭ GM factory document — 2017 chevrolet sierra silverado electrical body builders manual service manual 2017 en us, p.23.

  ⛭ GM factory document — 2018 gmc sierra 1500 order guide copy gm authority, p.89.

Sierra — T1XX (2019–2026) →

• 2019–2020 ✓ Factory-verified

  gas, Gen 5, SIDI, VVT, OHV, E85 capable, aluminum

  ⛭ GM factory document — 2019 gmc 19 sierra 1500 body builder feb 20, p.12.

  ⛭ GM factory document — 2020 gmc 20 sierra 1500 electrical body buil 1, p.12.

This page aggregates every documented appearance of LV3 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.