What it does. Denso Spark Plug Denso 735-3539 delivers the spark that ignites the air-fuel mixture in the cylinder.

Fitment. Catalogued as fitting 2020–2023 GMC Sierra 3500 Hd, 2021–2023 GMC Sierra 2500 Hd, 2019–2023 Chevrolet Tahoe, 2021–2023 Chevrolet Express 2500, 2020–2023 Chevrolet Silverado 3500 Hd, 2019–2023 GMC Savana 3500, 2021–2023 Cadillac Escalade Esv, 2019–2023 Chevrolet Silverado 1500, 2020–2023 GMC Yukon Xl, 2019–2023 Cadillac Escalade, 2020–2023 GMC Yukon, 2019–2022 Chevrolet Express 3500, 2019–2022 GMC Sierra 1500, 2019–2022 Chevrolet Suburban, 2022 Cadillac Ct5, 2021–2022 Chevrolet Silverado 2500 Hd, 2022 GMC Sierra 1500 Limited, 2021 GMC Savana 2500, 2019 Chevrolet Silverado 1500 Ld, 2019 Chevrolet Corvette. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.