Compatible Years: 2019 2020 2021 2022 2023. 2019 GMC Sierra 1500 Engine: 4.3L V6 GAS; Installation Tool Required;. 2019 GMC Sierra 1500 Engine: 5.3L V8 FLEX; Installation Tool Required;. 2019 GMC Sierra 1500 Engine: 5.3L V8 GAS; Installation Tool Required;.
