The ThunderSpark Ignition Coil (part number 921-2343) is a direct-fit replacement for 2016-2020 Buick, Cadillac, Chevrolet, and GMC vehicles with 3.6L and 3.0L engines. Ignition Coils receive a signal from the distributor or engine control computer at the ideal time for combustion to occur and send a high voltage pulse to the spark plug to ignite the fuel air mixture in each cylinder.
Features:
- Engineered for OE Performance: These coils are meticulously engineered and rigorously tested to meet and exceed OE performance and durability standards, ensuring reliable ignition and consistent spark output.
- Rugged Build: Crafted with high-quality materials, these coils are built to withstand harsh conditions, providing long-lasting performance and reducing the need for frequent replacements.
- Effortless Installation: Designed for easy and hassle-free installation, these coils minimize vehicle downtime during replacement, keeping your vehicle on the road.
- Enhanced Fuel Efficiency: By delivering precise and reliable spark, these coils contribute to better fuel combustion, optimizing fuel efficiency, and reducing emissions for a more eco-friendly vehicle operation.
Specifications:
| Number of Terminals | 4 |
| Connector Type | Blade |
| Connector Gender | Male |
| Terminal Gender | Female |
Fits: 2016-2020 Buick, Cadillac, Chevrolet, and GMC models including LaCrosse, Regal Sportback, ATS, CT5, CT6, CTS, XT5, XT6 and more — 3.6L and 3.0L engines.
Confirm the year, make, model, and engine against your vehicle before ordering. Full application data is shown in the fitment lookup on this page.
Interchanges With: NTK 49118, Delphi GN10889, SMP UF830, General Motors 12666339, Airtex 5C2094, ACDelco 12666339, Spectra Premium C962, Spectra Premium C-962
WARNING: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm.
