Walker 921-2224 Ignition Coil

Walker ThunderSpark Ignition Coil 921-2224

Walker ThunderSpark ignition coil 921-2224 is a direct-fit ignition component for select Cadillac and Pontiac applications. It supports reliable spark delivery for vehicles such as the Cadillac SRX, STS, DeVille, XLR, Seville, and Pontiac Bonneville across the listed model years.

Key Features

• Ignition coil for select GM luxury and performance vehicles
• Walker ThunderSpark product line
• Direct fitment for the listed Cadillac and Pontiac applications
• Part number 921-2224 for catalog and service lookup
• Compatible with 2004-2006 Cadillac SRX, 2005-2006 Cadillac STS, 2004-2005 Cadillac DeVille, 2004-2005 Cadillac XLR, 2004-2005 Pontiac Bonneville, and 2004 Cadillac Seville

Detailed Description

The Walker ThunderSpark line focuses on ignition components for vehicles that need consistent coil performance and straightforward replacement. This ignition coil, part number 921-2224, is listed for multiple Cadillac models and the Pontiac Bonneville, making it a practical service part for diagnosing ignition-related drivability concerns on these applications.

Use 921-2224 when servicing a Cadillac SRX, Cadillac STS, Cadillac DeVille, Cadillac XLR, Cadillac Seville, or Pontiac Bonneville within the specified years. The fitment data confirms application coverage by year and model, which helps narrow the correct replacement during ignition system repair.

What It Helps Address

• Engine misfire conditions
• Rough idle caused by weak spark output
• Hard starting related to ignition coil failure
• Intermittent loss of power under load
• Check engine light concerns tied to ignition performance

Installation Notes and Tips

Verify the vehicle year, make, and model against the fitment list before ordering. Inspect related ignition components, connectors, and coil boots during replacement so the new coil can operate correctly. Confirm the part number 921-2224 matches the service application before installation.

Quality Assurance

Walker ThunderSpark is the brand line identified for this ignition coil, and the listed fitment data provides the application reference for ordering and service verification.

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

Compatible Vehicles

• Fits 2004-2006 Cadillac SRX, N/A
• Fits 2005-2006 Cadillac STS, N/A
• Fits 2004-2005 Cadillac DeVille, N/A
• Fits 2004-2005 Cadillac XLR, N/A
• Fits 2004-2005 Pontiac Bonneville, N/A
• Fits 2004 Cadillac Seville, N/A