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The passenger side ignition coils on your VQ35DE equipped 350Z / G35 are connected to your EGI harness through this Ignition Sub-harness. This sub-harness is located under the upper plenum, and is subject to wear from heat and corrosion. When this sub-harness fails, ignition coils work at a lowered efficiency or fail to operate causing misfires, lowered fuel economy, and a viariety of other issues.


  • 2003-2006 Nissan 350Z (Z33)
  • 2003-2006 Infiniti G35 (V35)

NOTE: This subharness does not fit models equipped with a VQ35HR powertrain.


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