Walker
ThunderSpark

Walker 921-2338 Ignition Coil

Brand Walker 921-2338
Product line ThunderSpark
Fits Mazda · 14 vehicles

OE direct replacement. Built as an ignition coil for straightforward replacement.

ThunderSpark line. Walker's performance-focused product line for ignition components.

$57.13Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $57.13
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Free returns within 60 days if it doesn't fit when fitment is verified.

Walker ThunderSpark Ignition Coil for Mazda

Walker ThunderSpark ignition coil Part Number 921-2338 is a direct-fit ignition coil for select Mazda applications. It is listed for 2007-2015 Mazda CX-9 and 2009-2013 Mazda 6, giving you a fitment-specific replacement for common ignition service needs.

Key Features

  • Walker ThunderSpark product line ignition coil
  • Part Number 921-2338
  • Compatible with 2007-2015 Mazda CX-9
  • Compatible with 2009-2013 Mazda 6
  • Ignition > Ignition Coil category replacement

Product Details

The Walker ThunderSpark line identifies this coil as part of Walker’s ignition-focused product offering for Mazda vehicles. If you are searching for a Mazda CX-9 ignition coil or a Mazda 6 ignition coil, Part Number 921-2338 provides a fitment-matched option for the listed model years. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

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

Installation Notes

Verify the vehicle year and model before ordering. Fits 2007-2015 Mazda CX-9, N/A and fits 2009-2013 Mazda 6, N/A. Compare the original coil connector, mounting points, and engine application to confirm match before installation. Clear diagnostic trouble codes after repair and inspect related ignition components if the vehicle has experienced prolonged misfire.

Quality Assurance

Walker ThunderSpark parts are positioned as application-specific ignition components for Mazda service work. Part Number 921-2338 is cataloged for the listed fitments to support accurate replacement selection.

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2015MazdaCX-93.7LV6ThunderSpark
2014MazdaCX-93.7LV6ThunderSpark
2013Mazda63.7LV6ThunderSpark
2013MazdaCX-93.7LV6ThunderSpark
2012Mazda63.7LV6ThunderSpark
2012MazdaCX-93.7LV6ThunderSpark
2011Mazda63.7LV6ThunderSpark
2011MazdaCX-93.7LV6ThunderSpark
2010Mazda63.7LV6ThunderSpark
2010MazdaCX-93.7LV6ThunderSpark
2009Mazda63.7LV6ThunderSpark
2009MazdaCX-93.7LV6ThunderSpark
2008MazdaCX-93.7LV6ThunderSpark
2007MazdaCX-93.5LV6ThunderSpark