OE Quality
60-Day Returns

Walker 921-2201 Ignition Coil - Left
Reliable Ignition Coil for Ford E-350 and F-Series Trucks
The Walker ThunderSpark 921-2201 ignition coil is designed to provide consistent ignition performance for Ford trucks. Engineered to meet the demands of Ford E-350 Super Duty, F-150, F-250 Super Duty, F-350, and F-350 Super Duty models, this ignition coil ensures reliable spark delivery for optimal engine operation.
- Compatible with Ford E-350 Super Duty, F-150, F-250 Super Duty, F-350, and F-350 Super Duty
- Walker part number 921-2201 for precise identification
- Part of the ThunderSpark product line, focused on ignition system components
- Designed to maintain consistent spark energy and improve ignition reliability
- Direct replacement ignition coil for easy installation
About the Walker ThunderSpark Product Line
The ThunderSpark line by Walker specializes in ignition components engineered to meet or exceed OEM specifications. This product line emphasizes durability and consistent performance, making it suitable for heavy-duty applications such as Ford Super Duty trucks. The 921-2201 ignition coil benefits from this focus, providing dependable ignition for demanding driving conditions.
Product Details and Compatibility
The Walker 921-2201 ignition coil is specifically designed for use in Ford E-350 Super Duty, F-150, F-250 Super Duty, F-350, and F-350 Super Duty models. It delivers the necessary voltage to the spark plugs, ensuring efficient combustion and engine performance. This ignition coil is a direct fit replacement, engineered to match the original equipment specifications for seamless integration.
Common Issues Addressed by This Ignition Coil
- Engine misfires or rough idling in Ford E-350 and F-Series trucks
- Difficulty starting the engine due to weak or inconsistent spark
- Reduced fuel efficiency caused by incomplete combustion
- Check engine light triggered by ignition system faults
- Loss of power or hesitation during acceleration
Installation Notes and Tips
Installation of the Walker 921-2201 ignition coil should be performed with the engine off and cooled down. Ensure the ignition coil connectors are clean and free of corrosion before installation. Use appropriate tools to avoid damage to the coil or mounting hardware. Verify proper electrical connections and secure mounting to prevent vibration-related issues.
Quality Assurance and Warranty
Walker ignition coils, including the 921-2201, are manufactured to meet industry standards for quality and durability. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Refer to the product documentation or manufacturer for exact warranty terms.
This part fits 27 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2017 | Ford | E-350 Super Duty | 6.2L | V8 | Left | ThunderSpark |
| 2017 | Ford | F-250 Super Duty | 6.2L | V8 | Left | ThunderSpark |
| 2017 | Ford | F-350 Super Duty | 6.2L | V8 | Left | ThunderSpark |
| 2016 | Ford | F-250 Super Duty | 6.2L | V8 | Left | ThunderSpark |
| 2016 | Ford | F-350 | 6.2L | V8 | Left | Single Coil |
| 2016 | Ford | F-350 Super Duty | 6.2L | V8 | Left | ThunderSpark |
| 2015 | Ford | F-250 Super Duty | 6.2L | V8 | Left | ThunderSpark |
| 2015 | Ford | F-350 | 6.2L | V8 | Left | Single Coil |
| 2015 | Ford | F-350 Super Duty | 6.2L | V8 | Left | ThunderSpark |
| 2014 | Ford | F-150 | 6.2L | V8 | Left | ThunderSpark |
| 2014 | Ford | F-250 Super Duty | 6.2L | V8 | Left | ThunderSpark |
| 2014 | Ford | F-350 | 6.2L | V8 | Left | Single Coil |
| 2014 | Ford | F-350 Super Duty | 6.2L | V8 | Left | ThunderSpark |
| 2013 | Ford | F-150 | 6.2L | V8 | Left | ThunderSpark |
| 2013 | Ford | F-250 Super Duty | 6.2L | V8 | Left | ThunderSpark |
| 2013 | Ford | F-350 | 6.2L | V8 | Left | Single Coil |
| 2013 | Ford | F-350 Super Duty | 6.2L | V8 | Left | ThunderSpark |
| 2012 | Ford | F-150 | 6.2L | V8 | Left | ThunderSpark |
| 2012 | Ford | F-250 Super Duty | 6.2L | V8 | Left | ThunderSpark |
| 2012 | Ford | F-350 | 6.2L | V8 | Left | Single Coil |
| 2012 | Ford | F-350 Super Duty | 6.2L | V8 | Left | ThunderSpark |
| 2011 | Ford | F-150 | 6.2L | V8 | Left | ThunderSpark |
| 2011 | Ford | F-250 Super Duty | 6.2L | V8 | Left | ThunderSpark |
| 2011 | Ford | F-350 | 6.2L | V8 | Left | Single Coil |
| 2011 | Ford | F-350 Super Duty | 6.2L | V8 | Left | ThunderSpark |
| 2010 | Ford | F-150 | 6.2L | V8 | Left | ThunderSpark |
| 2010 | Ford | F-350 Super Duty | 6.2L | V8 | N/A | left; Single Coil |
* 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.