Walker 921-2024 Ignition Coil

Walker ThunderSpark Ignition Coil for Nissan

Walker ThunderSpark ignition coil Part Number 921-2024 is a direct-fit ignition coil for select Nissan applications. It is listed for 2002-2008 Nissan X-Trail, 2002-2006 Nissan Altima, and 2002-2006 Nissan Sentra, making it a focused replacement for common ignition misfire repairs.

Key Features

• Ignition coil replacement for select Nissan vehicles
• Walker ThunderSpark product line for ignition system service
• Fits 2002-2008 Nissan X-Trail, N/A
• Fits 2002-2006 Nissan Altima, N/A
• Fits 2002-2006 Nissan Sentra, N/A
• Part Number: 921-2024

Detailed Description

The Walker ThunderSpark line is positioned for ignition system service on import vehicles, and this coil is cataloged for specific Nissan fitments rather than universal use. If you are replacing a failing ignition coil on a Nissan Altima, Nissan Sentra, or Nissan X-Trail, Part Number 921-2024 provides a targeted match for the listed model years and helps restore proper spark delivery at the cylinder level.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Is Used For

• Engine misfire diagnosis tied to weak or inconsistent spark
• Rough idle caused by ignition coil failure
• Hard starting related to ignition output loss
• Check engine light conditions associated with coil faults
• Restoring ignition performance on Nissan Altima, Sentra, and X-Trail models

Installation Notes and Tips

Verify the vehicle year, model, and engine configuration against the catalog listing before installation. Inspect the coil connector, boot area, and surrounding ignition components for heat damage, corrosion, or oil contamination before fitting the new coil. Clear diagnostic trouble codes after installation and confirm engine operation with a road test.

Quality Assurance

Walker ThunderSpark Part Number 921-2024 is cataloged for the listed Nissan applications and should be matched to the vehicle by year and model for proper fitment.