Walker 921-2176 Ignition Coil - Rear

Reliable Ignition Coil for Infiniti and Nissan Vehicles

The Walker ThunderSpark 921-2176 ignition coil is designed to provide consistent ignition performance for select Infiniti and Nissan models. Engineered to meet OEM specifications, this ignition coil ensures proper spark delivery for efficient engine operation.

• Compatible with Infiniti Armada, Nissan QX56, and Nissan QX80 models
• Walker ThunderSpark product line known for dependable ignition components
• Part number 921-2176 for precise fit and function
• Designed to maintain optimal spark energy and engine performance
• Direct replacement ignition coil for easy installation

About the Walker ThunderSpark Ignition Coil Line

The ThunderSpark line by Walker focuses on ignition system components that deliver reliable spark generation and durability. This product line is tailored to meet the demands of modern ignition systems, providing consistent voltage output and resistance to heat and vibration. The 921-2176 ignition coil is part of this line, ensuring compatibility and performance for Infiniti Armada and Nissan QX56 and QX80 vehicles.

Product Details and Compatibility

The Walker ThunderSpark 921-2176 ignition coil is specifically designed for use in Infiniti Armada and Nissan QX56 and QX80 models. This ignition coil replaces the factory unit to restore proper ignition timing and spark delivery, which are critical for engine efficiency and smooth operation. Using the correct ignition coil helps maintain fuel economy and reduces misfires.

Common Issues Addressed by This Ignition Coil

• Engine misfires or rough idling in Infiniti Armada and Nissan QX56/QX80
• Difficulty starting the engine or intermittent stalling
• Reduced fuel efficiency due to 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 ThunderSpark 921-2176 ignition coil should be performed with the engine off and cooled down. Disconnect the battery before removing the old ignition coil to prevent electrical shock. Ensure connectors are clean and securely attached to avoid poor electrical contact. Follow vehicle-specific service manual instructions for torque specifications and safety precautions.

Quality Assurance and Warranty

Walker ignition coils, including the ThunderSpark 921-2176, are manufactured to meet industry standards for durability and performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.