Walker
ThunderSpark

Walker 921-2072 Ignition Coil

Brand Walker 921-2072
Product line ThunderSpark
Fits INFINITI and Nissan · 2 vehicles

ThunderSpark line. Ignition coil from Walker.

Ignition coil for reliable spark delivery.

$46.42Free shipping
In stock · usually ships same day before 1pm CST
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Order total $46.42
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Walker ThunderSpark Ignition Coil 921-2072

Walker ThunderSpark 921-2072 is an ignition coil for specific 2001 Nissan and INFINITI V6 applications. It is listed for Cylinder 2-6 service on the 2001 INFINITI QX4 and 2001 Nissan Pathfinder, making it a direct-fit option for targeted ignition repair.

Key Features

  • Ignition coil for the Walker ThunderSpark product line
  • Fits 2001 INFINITI QX4, Cylinder 2-6
  • Fits 2001 Nissan Pathfinder, Cylinder 2-6
  • Part number 921-2072 for application matching
  • Built for ignition system replacement on confirmed fitment vehicles

Product Details

The ThunderSpark line from Walker focuses on ignition components for vehicle-specific service needs. This 921-2072 ignition coil is cataloged for the 2001 INFINITI QX4 and 2001 Nissan Pathfinder with Cylinder 2-6 notes, so fitment should be matched carefully to the vehicle and cylinder location before ordering. If you are searching for a 2001 Nissan Pathfinder ignition coil or a 2001 INFINITI QX4 ignition coil, this part number provides a direct reference for those applications.

What It Helps Address

  • Engine misfire related to a failing ignition coil
  • Rough idle caused by weak spark output
  • Hard starting from inconsistent ignition performance
  • Check engine light conditions tied to ignition faults
  • Loss of power under load from coil degradation

Installation Notes

Verify the cylinder location and confirm the part number 921-2072 against the existing coil before installation. For the 2001 INFINITI QX4 and 2001 Nissan Pathfinder, match the Cylinder 2-6 application note exactly and inspect related ignition components during service.

Quality Assurance

Walker ThunderSpark is a dedicated ignition product line from Walker, and this part is cataloged for specific OE-style vehicle applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2001INFINITIQX43.5LV6N/AFor Cylinder 2-6; ThunderSpark
2001NissanPathfinder3.5LV6N/AFor Cylinder 2-6; ThunderSpark