High Performance. Maintain your Wrangler and ensure reliable sparking power by replacing your old, worn out spark plugs with NGK's Iridium IX Spark Plug. This high performance replacement spark plug provides improved fuel efficiency, lower emissions, and quicker start ups for reliable and consistent performance.

Superior Materials. The NGK Iridium IX Performance Spark Plug features a copper core electrode selected for its superior conductivity and an iridium tip (which is 6 times harder than platinum) for its extremely high melting point to create a constant and reliable spark. This spark plug includes Trivalent Metal Plating to prevent unwanted corrosion and seizing.

Application. This NGK Iridium IX Performance Spark Plug is specifically designed as a direct fit replacement for 2.4L engines found in Jeep Wrangler 2003-2006 TJ models.

Fitment: 2003 2004 2005 2006 Details

CA Residents: Warning: California's Proposition 65