Walker 921-2155 Ignition Coil

Walker ThunderSpark Ignition Coil for Nissan Sentra

The Walker ThunderSpark ignition coil, part number 921-2155, is a direct-fit ignition component for select Nissan Sentra applications. It is listed for 2007-2008 Nissan Sentra ThunderSpark and 2009-2010 Nissan Sentra Non Calif-ESV with a single coil setup.

Key Features

• Walker ThunderSpark ignition coil for OE-style ignition service
• Fits 2007-2008 Nissan Sentra, ThunderSpark
• Fits 2009-2010 Nissan Sentra, Non Calif-ESV; Single Coil
• Part number 921-2155 for application matching and catalog lookup
• Built for ignition coil replacement on select Nissan Sentra models

Detailed Description

Walker 921-2155 is an ignition coil in the ThunderSpark line, made for specific Nissan Sentra configurations. If you are replacing a failing coil on a 2007-2008 Nissan Sentra ThunderSpark or a 2009-2010 Nissan Sentra Non Calif-ESV with a single coil, this part provides the correct cataloged fitment. Use part number 921-2155 when verifying the application against your vehicle information.

Common Replacement Reasons

• Engine misfire or rough idle
• Hard starting or intermittent no-start condition
• Loss of spark at one cylinder or ignition circuit fault
• Check engine light related to ignition performance

Installation Notes and Tips

Confirm the vehicle year, engine configuration, and emissions setup before ordering. Match the existing coil style and connector layout to the cataloged application for your Nissan Sentra. Clear diagnostic trouble codes after installation and verify ignition performance during a road test.

Quality Assurance

The ThunderSpark product line identifies this ignition coil as part of Walker’s ignition offering for application-specific replacement. Verify fitment by year, model, and notes before installation.