Walker 921-2047 Ignition Coil

Walker ThunderSpark Ignition Coil 921-2047

Walker ThunderSpark ignition coil 921-2047 is a direct-fit replacement for a range of GM and Saturn applications. It is built for vehicles that need consistent spark output to restore reliable ignition performance.

Key Features

• Walker ThunderSpark ignition coil for OE-style replacement
• Fits select Saturn Ion and Saturn Vue applications
• Also fits Chevrolet Cobalt, HHR, Malibu, Cavalier, Classic, and Astra applications
• Compatible with Pontiac G4, Pursuit, Grand Am, and Sunfire applications
• Part number 921-2047 for easy identification

Fitment Overview

• Fits 2003-2007 Saturn Ion, ThunderSpark
• Fits 2002-2007 Saturn Vue, ThunderSpark
• Fits 2005-2006 Chevrolet Cobalt, ThunderSpark
• Fits 2006 Chevrolet HHR, ThunderSpark
• Fits 2004-2006 Chevrolet Malibu, ThunderSpark
• Fits 2005-2006 Pontiac G4, Single Coil
• Fits 2005-2006 Pontiac Pursuit, Single Coil
• Fits 2002-2005 Chevrolet Cavalier, ThunderSpark
• Fits 2004-2005 Chevrolet Classic, ThunderSpark
• Fits 2002-2005 Pontiac Grand Am, ThunderSpark
• Fits 2002-2005 Pontiac Sunfire, ThunderSpark
• Fits 2002-2004 Oldsmobile Alero, ThunderSpark
• Fits 2004 Saturn L300, ThunderSpark
• Fits 2001-2003 Saturn L200, ThunderSpark
• Fits 2001-2003 Saturn LW200, ThunderSpark
• Fits 2001-2002 Chevrolet Astra, ThunderSpark
• Fits 2001-2002 Saturn L100, ThunderSpark
• Fits 2000 Saturn LS, ThunderSpark
• Fits 2000 Saturn LS1, ThunderSpark
• Fits 2000 Saturn LW1, ThunderSpark

Detailed Description

This Walker ThunderSpark ignition coil 921-2047 is intended for vehicles that use the ThunderSpark or single-coil configuration listed in the fitment data. It supports ignition system service on Saturn Ion, Saturn Vue, Chevrolet Cobalt, Chevrolet Malibu, Pontiac Grand Am, and related applications where a replacement coil is needed to restore spark delivery.

Walker ThunderSpark is the product line identified for this ignition coil, and the part number 921-2047 helps confirm the correct application during lookup and installation planning. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Issues This Part May Solve

• Engine misfire caused by a failing ignition coil
• Hard starting related to weak or inconsistent spark
• Rough idle from ignition output loss
• Check engine light triggered by coil-related fault codes
• Loss of acceleration response tied to ignition performance problems

Installation Notes and Tips

Verify the vehicle year, make, model, and ignition configuration before ordering. Confirm the existing coil style matches ThunderSpark or single-coil fitment as listed for your application. Inspect spark plugs, boots, and related ignition components during service so the replacement coil can perform as expected.

Quality Assurance

Walker ThunderSpark parts are positioned as OE-style replacement components for listed applications. Use the fitment data and part number 921-2047 to confirm application accuracy before installation.