Walker 921-2108 Ignition Coil

Walker ThunderSpark Ignition Coil for Chrysler, Dodge, Jeep

Walker ThunderSpark ignition coil part number 921-2108 is a direct-fit ignition coil for select Chrysler, Dodge, and Jeep applications from 2007-2020. It supports reliable spark delivery for vehicles including the Dodge Journey, Jeep Compass, Jeep Patriot, Chrysler 200, Dodge Avenger, Dodge Caliber, Chrysler Cirrus, and Chrysler Sebring.

Key Features

• Walker ThunderSpark ignition coil for OE-style ignition system service
• Part number 921-2108 for easy identification and ordering
• Fits select 2007-2020 Dodge Journey, Jeep Compass, and Jeep Patriot applications
• Also fits Chrysler 200, Dodge Avenger, Dodge Caliber, Chrysler Cirrus, and Chrysler Sebring applications
• Compatible with single-coil applications listed in the fitment data

Fitment Details

• Fits 2017-2020 Dodge Journey, Single Coil
• Fits 2017 Jeep Compass, Single Coil
• Fits 2017 Jeep Patriot, Single Coil
• Fits 2009-2016 Dodge Journey, ThunderSpark
• Fits 2007-2016 Jeep Compass, ThunderSpark
• Fits 2007-2016 Jeep Patriot, ThunderSpark
• Fits 2011-2014 Chrysler 200, ThunderSpark
• Fits 2008-2014 Dodge Avenger, ThunderSpark
• Fits 2007-2012 Dodge Caliber, ThunderSpark
• Fits 2008-2010 Chrysler Cirrus, ThunderSpark
• Fits 2007-2010 Chrysler Sebring, ThunderSpark
• Fits 2007 Chrysler Cirrus, Single Coil

What This Ignition Coil Helps Address

• Engine misfire conditions related to weak ignition output
• Rough idle caused by inconsistent spark delivery
• Hard starting linked to ignition coil failure
• Loss of power under load from degraded coil performance
• Check engine light concerns tied to ignition system faults

Installation Notes and Tips

Confirm the vehicle year, make, model, and ignition configuration before installation. This Walker ThunderSpark 921-2108 ignition coil is listed for specific single-coil and ThunderSpark applications, so match the fitment row to the vehicle exactly. Inspect spark plugs, coil boots, and related ignition components during service to help prevent repeat failures.

Quality Assurance

Walker ThunderSpark is the product line identified for this ignition coil, and part number 921-2108 is cataloged for the applications shown above. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.