Walker 921-2167 Ignition Coil - Rear

Ignition Coil for Infiniti and Nissan V6 Applications

Walker ThunderSpark 921-2167 is an ignition coil for select Infiniti and Nissan vehicles with V6 engine applications. It is listed for multiple rear-cylinder and single-coil positions, including Infiniti Q50, Q60, Q70, Q70L, QX50, QX70, and Nissan 370Z coverage.

Key Features

• Walker ThunderSpark ignition coil line
• Part number 921-2167 for direct catalog lookup
• Single-coil application for select rear-cylinder and individual coil positions
• Compatible with 2008-2020 Infiniti and Nissan V6 fitments listed below
• Supports ignition system service on high-mileage and misfire-prone vehicles

Fitment Details

• Fits 2020 INFINITI QX70, coil assy B; Single Coil
• Fits 2017-2020 Nissan 370Z, Single Coil
• Fits 2017-2019 INFINITI Q70, Rear Two Cylinders; Single Coil
• Fits 2017-2019 INFINITI Q70L, Rear Two Cylinders; Single Coil
• Fits 2017-2019 INFINITI QX70, Cyl 7-8; Single Coil
• Fits 2016-2018 INFINITI Q50, Single Coil
• Fits 2017 INFINITI QX50, Single Coil
• Fits 2016 INFINITI Q60, Single Coil
• Fits 2014-2016 INFINITI Q70, Rear Two Cylinders; ThunderSpark
• Fits 2015-2016 INFINITI Q70L, Rear Two Cylinders; ThunderSpark
• Fits 2014-2016 INFINITI QX50, ThunderSpark
• Fits 2014-2016 INFINITI QX70, ThunderSpark
• Fits 2009-2016 Nissan 370Z, ThunderSpark
• Fits 2015 INFINITI Q40, ThunderSpark
• Fits 2014-2015 INFINITI Q50, ThunderSpark
• Fits 2014-2015 INFINITI Q60, ThunderSpark
• Fits 2013 INFINITI EX37, ThunderSpark
• Fits 2013 INFINITI FX37, ThunderSpark
• Fits 2009-2013 INFINITI FX50, For Rear Two Cylinders; ThunderSpark
• Fits 2008-2013 INFINITI G37, ThunderSpark
• Fits 2011-2013 INFINITI M37, ThunderSpark
• Fits 2013 INFINITI M56, Rear; ThunderSpark
• Fits 2012 INFINITI M56, For Rear Two Cylinders; ThunderSpark
• Fits 2011 INFINITI M56, Rear Two Cylinders; Single Coil

Common Uses

• Replacing a failed ignition coil that triggers rough running
• Addressing engine misfire codes on Infiniti Q50, Q60, Q70, and QX70 models
• Restoring spark delivery on Nissan 370Z applications
• Correcting hard-start or intermittent ignition performance concerns
• Servicing rear-cylinder coil positions on select Infiniti V6 engines

Installation Notes

Verify the year, make, model, and coil position before ordering, since this part is listed for both single-coil and rear-cylinder applications. Confirm the original coil layout on Infiniti Q70, Q70L, FX50, and M56 models, and match the vehicle’s engine configuration to the catalog notes. Part number 921-2167 should be checked against the existing coil before installation.

Quality Assurance

Walker ThunderSpark is the product line identified for this ignition coil application. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.