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Walker 921-2075 Ignition Coil
Reliable Ignition Coil for Buick, Cadillac, Chevrolet, GMC, Saab, and Saturn
The Walker ThunderSpark 921-2075 ignition coil is engineered to provide consistent ignition performance for a range of vehicles including Buick LaCrosse, Cadillac CTS, Chevrolet Traverse, GMC Acadia, Saab 9-3, and Saturn Outlook. Designed to meet OEM specifications, this ignition coil supports efficient engine operation and reliable starts.
- Compatible with multiple makes and models: Buick, Cadillac, Chevrolet, GMC, Saab, Saturn
- Walker part number 921-2075 ensures precise fitment
- Part of the ThunderSpark line, designed for dependable ignition system performance
- Direct replacement ignition coil for models such as Cadillac SRX, Buick Enclave, and Chevrolet Rendezvous
- Manufactured to meet or exceed original equipment standards
About the Walker ThunderSpark Ignition Coil Line
The ThunderSpark product line by Walker focuses on ignition components that deliver consistent spark energy and durability. The 921-2075 ignition coil is part of this line, offering reliable ignition coil performance tailored for specific vehicle applications. This ensures compatibility and helps maintain engine efficiency across various Buick, Cadillac, Chevrolet, GMC, Saab, and Saturn models.
Product Description and Application
The Walker ThunderSpark 921-2075 ignition coil is designed to replace faulty or worn ignition coils in select vehicles. It converts the battery's low voltage to the high voltage needed to create an electric spark in the spark plugs, igniting the air-fuel mixture in the engine cylinders. This ignition coil is compatible with models such as the Buick LaCrosse, Cadillac STS, Chevrolet Traverse, GMC Acadia, Saab 9-3, and Saturn Outlook, ensuring proper fit and function.
Common Issues Addressed by This Ignition Coil
- Engine misfires or rough idling
- Difficulty starting the engine
- Reduced fuel efficiency
- Check engine light related to ignition system faults
- Loss of power or hesitation during acceleration
Installation Notes and Tips
- Ensure the ignition system is powered off before installation
- Verify compatibility with your vehicle’s make and model using part number 921-2075
- Inspect wiring and connectors for damage before installing the new coil
- Follow manufacturer torque specifications when securing the ignition coil
- Clear any diagnostic trouble codes after installation to reset the system
Quality Assurance and Warranty
Walker ignition coils, including the ThunderSpark 921-2075, are manufactured to meet or exceed OEM standards for durability and performance. While specific warranty details may vary, Walker products typically come with a limited warranty against defects in materials and workmanship to provide confidence in your purchase.
This part fits 36 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Buick | Enclave | 3.6L | V6 | N/A | ThunderSpark |
| 2009 | Cadillac | CTS | 3.6L | V6 | N/A | ThunderSpark |
| 2009 | Cadillac | STS | 3.6L | V6 | N/A | ThunderSpark |
| 2009 | Chevrolet | Traverse | 3.6L | V6 | N/A | ThunderSpark |
| 2009 | GMC | Acadia | 3.6L | V6 | N/A | ThunderSpark |
| 2009 | Saab | 9-3 | 2.8L | V6 | N/A | ThunderSpark |
| 2009 | Saturn | Outlook | 3.6L | V6 | N/A | ThunderSpark |
| 2008 | Buick | Allure | 3.6L | V6 | N/A | Single Coil |
| 2008 | Buick | LaCrosse | 3.6L | V6 | N/A | ThunderSpark |
| 2008 | Cadillac | CTS | 3.6L | V6 | N/A | ThunderSpark |
| 2008 | Cadillac | STS | 3.6L | V6 | N/A | ThunderSpark |
| 2008 | Saab | 9-3 | 2.8L | V6 | N/A | ThunderSpark |
| 2007 | Buick | Allure | 3.6L | V6 | N/A | Single Coil |
| 2007 | Buick | LaCrosse | 3.6L | V6 | N/A | ThunderSpark |
| 2007 | Cadillac | CTS | 3.6L | V6 | N/A | ThunderSpark |
| 2007 | Cadillac | CTS | 2.8L | V6 | N/A | ThunderSpark |
| 2007 | Cadillac | STS | 3.6L | V6 | N/A | ThunderSpark |
| 2007 | Saab | 9-3 | 2.8L | V6 | N/A | ThunderSpark |
| 2006 | Buick | Allure | 3.6L | V6 | N/A | Single Coil |
| 2006 | Buick | LaCrosse | 3.6L | V6 | N/A | ThunderSpark |
| 2006 | Buick | Rendezvous | 3.6L | V6 | N/A | ThunderSpark |
| 2006 | Cadillac | CTS | 3.6L | V6 | N/A | ThunderSpark |
| 2006 | Cadillac | CTS | 2.8L | V6 | N/A | ThunderSpark |
| 2006 | Cadillac | SRX | 3.6L | V6 | N/A | ThunderSpark |
| 2006 | Cadillac | STS | 3.6L | V6 | N/A | ThunderSpark |
| 2006 | Saab | 9-3 | 2.8L | V6 | N/A | ThunderSpark |
| 2005 | Buick | Allure | 3.6L | V6 | N/A | Single Coil |
| 2005 | Buick | LaCrosse | 3.6L | V6 | N/A | ThunderSpark |
| 2005 | Buick | Rendezvous | 3.6L | V6 | N/A | ThunderSpark |
| 2005 | Cadillac | CTS | 3.6L | V6 | N/A | ThunderSpark |
| 2005 | Cadillac | CTS | 2.8L | V6 | N/A | ThunderSpark |
| 2005 | Cadillac | SRX | 3.6L | V6 | N/A | ThunderSpark |
| 2005 | Cadillac | STS | 3.6L | V6 | N/A | ThunderSpark |
| 2004 | Buick | Rendezvous | 3.6L | V6 | N/A | ThunderSpark |
| 2004 | Cadillac | CTS | 3.6L | V6 | N/A | ThunderSpark |
| 2004 | Cadillac | SRX | 3.6L | V6 | N/A | ThunderSpark |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.