About this part
What it does. Ngk NGK Laser Iridium Spark Plug NGK 481-94956 delivers the spark that ignites the air-fuel mixture in the cylinder.
Symptoms that point to this part
- Misfire codes
- Rough idle
- Hard starting
- Loss of power under load
Fitment. Catalogued as fitting 2019–2025 Chevrolet Silverado 1500, 2023–2025 Chevrolet Colorado, 2025 GMC Canyon, 2021–2025 Chevrolet Trailblazer, 2020–2024 Buick Encore Gx, 2020–2022 Cadillac Ct4, 2019–2022 GMC Sierra 1500, 2022 GMC Sierra 1500 Limited. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.
Fits these vehicles
- 2025 Chevrolet Silverado 1500
- 2025 Chevrolet Colorado
- 2025 GMC Canyon
- 2025 Chevrolet Trailblazer
- 2024 Buick Encore Gx
- 2024 Chevrolet Silverado 1500
- 2024 Chevrolet Colorado
- 2024 Chevrolet Trailblazer
- 2023 Chevrolet Silverado 1500
- 2023 Buick Encore Gx
- 2023 Chevrolet Trailblazer
- 2023 Chevrolet Colorado
- 2022 Cadillac Ct4
- 2022 GMC Sierra 1500
- 2022 Buick Encore Gx
- 2022 GMC Sierra 1500 Limited
- 2022 Chevrolet Silverado 1500
- 2021 Chevrolet Silverado 1500
- 2021 GMC Sierra 1500
- 2021 Buick Encore Gx
- 2021 Chevrolet Trailblazer
- 2020 Chevrolet Silverado 1500
- 2020 Buick Encore Gx
- 2020 Cadillac Ct4
- 2019 Chevrolet Silverado 1500
- 2019 GMC Sierra 1500