Walker 921-2242 Ignition Coil

Walker ThunderSpark Ignition Coil for Porsche

Walker ThunderSpark ignition coil Part Number 921-2242 is a direct-fit ignition component for select Porsche applications. It is listed for Porsche 911, Boxster, and Cayman models across the covered years, making it a focused replacement choice for ignition service on these vehicles.

Key Features

• Walker ThunderSpark ignition coil for OE-style ignition replacement
• Fits 2001-2009 Porsche 911, N/A
• Fits 2011-2012 Porsche 911, N/A
• Fits 2003-2008 Porsche Boxster, N/A
• Fits 2006-2008 Porsche Cayman, N/A
• Part Number: 921-2242

Product Details

The ThunderSpark product line from Walker covers ignition components for vehicle-specific service needs. This ignition coil is cataloged for Porsche 911, Porsche Boxster, and Porsche Cayman fitments, with application coverage spanning 2001-2012 depending on model. Use 921-2242 when replacing a failed coil on the listed Porsche platforms and when matching the exact fitment shown in the vehicle catalog.

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

Common Issues This Part Can Address

• Engine misfire caused by a weak or failed ignition coil
• Rough idle during cold start or under load
• Hard starting related to inconsistent spark output
• Loss of power from intermittent ignition performance
• Check engine light triggered by ignition coil fault codes

Installation Notes and Tips

Verify the year, model, and engine application against the vehicle catalog before ordering. Confirm connector style, mounting location, and existing coil condition during diagnosis. For best results, inspect spark plugs and related ignition components at the same time, since worn plugs can contribute to coil stress and repeat failures.

Quality Assurance

Walker ThunderSpark parts are cataloged for application-specific ignition service on Porsche vehicles. Part Number 921-2242 should be matched to the exact fitment listing for the vehicle being repaired.