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Walker 921-2343 Ignition Coil
Reliable Ignition Coil for Buick, Cadillac, Chevrolet, and GMC Vehicles
The Walker ThunderSpark Ignition Coil 921-2343 is engineered to provide consistent ignition performance for select Buick, Cadillac, Chevrolet, and GMC models. Designed to meet OEM specifications, this ignition coil supports efficient engine operation and reliable starts.
- Compatible with Buick LaCrosse and Regal Sportback models
- Fits Cadillac ATS, CT5, CT6, CTS, XT5, and XT6 vehicles
- Suitable for Chevrolet Camaro, Blazer, Colorado, and GMC Acadia, Canyon, and Colorado
- Walker ThunderSpark brand line ensures quality ignition components
- Part number 921-2343 for precise fitment and replacement
Walker ThunderSpark Product Line Overview
The ThunderSpark line by Walker focuses on ignition components designed to deliver reliable spark and ignition system performance. This product line emphasizes durability and compatibility with a range of domestic vehicles, including multiple Buick, Cadillac, Chevrolet, and GMC models. The 921-2343 ignition coil is part of this line, ensuring it meets the standards expected for consistent engine ignition.
Product Details and Compatibility
The Walker ThunderSpark Ignition Coil 921-2343 is specifically designed for use in various Buick, Cadillac, Chevrolet, and GMC vehicles. It supports models such as the Buick LaCrosse and Regal Sportback, Cadillac ATS, CT5, CT6, CTS, XT5, and XT6, as well as Chevrolet Camaro, Blazer, Colorado, and GMC Acadia, Canyon, and Colorado. This ignition coil helps maintain proper spark delivery to the engine, which is critical for efficient combustion and engine performance.
Common Applications and Issues Addressed
- Resolves engine misfires and rough idling
- Improves starting reliability in Buick, Cadillac, Chevrolet, and GMC vehicles
- Addresses loss of power or hesitation during acceleration
- Helps reduce engine stalling and poor fuel economy
- Replaces faulty ignition coils to restore ignition system function
Installation Notes and Tips
When installing the Walker ThunderSpark Ignition Coil 921-2343, ensure the vehicle is turned off and the battery is disconnected to prevent electrical shock. Verify compatibility with your specific make and model before installation. Follow manufacturer torque specifications for mounting bolts and inspect wiring connectors for corrosion or damage. Proper installation will help maintain ignition system integrity and vehicle performance.
Quality Assurance and Warranty
Walker ignition coils, including the ThunderSpark 921-2343, are manufactured to meet or exceed OEM standards for fit and function. While specific warranty details are not provided here, Walker products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.
This part fits 47 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2020 | Buick | Regal Sportback | 3.6L | V6 | N/A | Single Coil |
| 2020 | Cadillac | CT5 | 3.0L | V6 | N/A | Single Coil |
| 2020 | Cadillac | CT6 | 3.6L | V6 | N/A | Single Coil |
| 2020 | Cadillac | XT5 | 3.6L | V6 | N/A | Single Coil |
| 2020 | Cadillac | XT6 | 3.6L | V6 | N/A | Single Coil |
| 2020 | Chevrolet | Blazer | 3.6L | V6 | N/A | Single Coil |
| 2020 | Chevrolet | Camaro | 3.6L | V6 | N/A | Single Coil |
| 2020 | Chevrolet | Colorado | 3.6L | V6 | N/A | Single Coil |
| 2020 | GMC | Acadia | 3.6L | V6 | N/A | Single Coil |
| 2020 | GMC | Canyon | 3.6L | V6 | N/A | Single Coil |
| 2019 | Buick | LaCrosse | 3.6L | V6 | N/A | Single Coil |
| 2019 | Buick | Regal Sportback | 3.6L | V6 | N/A | Single Coil |
| 2019 | Cadillac | ATS | 3.6L | V6 | N/A | Single Coil |
| 2019 | Cadillac | CT6 | 3.6L | V6 | N/A | Single Coil |
| 2019 | Cadillac | CTS | 3.6L | V6 | N/A | Single Coil |
| 2019 | Cadillac | XT5 | 3.6L | V6 | N/A | Single Coil |
| 2019 | Chevrolet | Blazer | 3.6L | V6 | N/A | Single Coil |
| 2019 | Chevrolet | Camaro | 3.6L | V6 | N/A | Single Coil |
| 2019 | Chevrolet | Colorado | 3.6L | V6 | N/A | Single Coil |
| 2019 | GMC | Acadia | 3.6L | V6 | N/A | Single Coil |
| 2019 | GMC | Canyon | 3.6L | V6 | N/A | Single Coil |
| 2018 | Buick | LaCrosse | 3.6L | V6 | N/A | ThunderSpark |
| 2018 | Buick | Regal Sportback | 3.6L | V6 | N/A | ThunderSpark |
| 2018 | Cadillac | ATS | 3.6L | V6 | N/A | ThunderSpark |
| 2018 | Cadillac | CT6 | 3.6L | V6 | N/A | ThunderSpark |
| 2018 | Cadillac | CT6 | 3.0L | V6 | N/A | ThunderSpark |
| 2018 | Cadillac | CTS | 3.6L | V6 | N/A | ThunderSpark |
| 2018 | Cadillac | XT5 | 3.6L | V6 | N/A | ThunderSpark |
| 2018 | Chevrolet | Camaro | 3.6L | V6 | N/A | ThunderSpark |
| 2018 | Chevrolet | Colorado | 3.6L | V6 | N/A | ThunderSpark |
| 2018 | GMC | Acadia | 3.6L | V6 | N/A | ThunderSpark |
| 2018 | GMC | Canyon | 3.6L | V6 | N/A | ThunderSpark |
| 2017 | Buick | LaCrosse | 3.6L | V6 | N/A | ThunderSpark |
| 2017 | Cadillac | ATS | 3.6L | V6 | N/A | ThunderSpark |
| 2017 | Cadillac | CT6 | 3.6L | V6 | N/A | ThunderSpark |
| 2017 | Cadillac | CT6 | 3.0L | V6 | N/A | ThunderSpark |
| 2017 | Cadillac | CTS | 3.6L | V6 | N/A | ThunderSpark |
| 2017 | Cadillac | XT5 | 3.6L | V6 | N/A | ThunderSpark |
| 2017 | Chevrolet | Camaro | 3.6L | V6 | N/A | ThunderSpark |
| 2017 | Chevrolet | Colorado | 3.6L | V6 | N/A | ThunderSpark |
| 2017 | GMC | Acadia | 3.6L | V6 | N/A | ThunderSpark |
| 2017 | GMC | Canyon | 3.6L | V6 | N/A | ThunderSpark |
| 2016 | Cadillac | ATS | 3.6L | V6 | N/A | ThunderSpark |
| 2016 | Cadillac | CT6 | 3.6L | V6 | N/A | ThunderSpark |
| 2016 | Cadillac | CT6 | 3.0L | V6 | N/A | ThunderSpark |
| 2016 | Cadillac | CTS | 3.6L | V6 | N/A | ThunderSpark |
| 2016 | Chevrolet | Camaro | 3.6L | V6 | N/A | ThunderSpark |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.