The ThunderSpark Ignition Coil (part number 921-2075) is a direct-fit replacement for 2004-2009 Buick, Cadillac, Chevrolet, and GMC vehicles with 3.6L and 2.8L 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.
- 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.
- Effortless Installation: Designed for easy and hassle-free installation, these coils minimize vehicle downtime during replacement, keeping your vehicle on the road.
Specifications:
| Number of Terminals | 4 |
| Connector Type | Spade |
| Connector Gender | Male |
| Terminal Gender | Female |
Fits: 2004-2009 Buick, Cadillac, Chevrolet, GMC, and Saab models including Allure, Enclave, LaCrosse, Rendezvous, CTS, SRX, STS, Traverse and more — 3.6L and 2.8L 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: Forecast 50136, Spartan by KEM IC-289, Delphi GN10309, General Motors 12566569, General Motors 12583514, General Motors 12590954, General Motors 12613051, General Motors 12613057 and 22 more
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.
