Ignition Coil and Iridium Spark Plugs for Fiat 500X (2016-2018) 1.4L

Direct-Replacement Ignition Coil and Iridium Spark Plug Kit for 2016-2018 Fiat 500X

Primary Function: Restores precise ignition timing, optimizes combustion efficiency, and eliminates cylinder misfires across all load ranges in 1.4L MultiAir turbocharged engines.

The Stock 500X Ignition Coil Heat Breakdown

The compact engine bay and high boost pressures of the turbocharged 1.4L engine generate significant thermal cycling. Over time, OEM ignition coils suffer from dielectric breakdown, secondary winding insulation degradation, and terminal oxidation. This breakdown causes high-load misfires, erratic idle quality, loss of boost response, and premature fouling of factory plugs.

The Engineering Solution

This complete ignition kit features four direct-fit coil-on-plug assemblies engineered with reinforced internal copper windings and high-temperature epoxy potting to prevent internal voltage tracking and arc leakage. Paired with fine-wire iridium spark plugs, this setup reduces firing voltage requirements, enhances flame kernel propagation, and provides high wear resistance under severe thermal load.

Technical Specifications

Compatibility

• 2016 Fiat 500X (1.4L L4 Turbocharged)
• 2017 Fiat 500X (1.4L L4 Turbocharged)
• 2018 Fiat 500X (1.4L L4 Turbocharged)

The Fiat Precision Standard

Manufactured to exacting European OBD-II diagnostics tolerances, these direct-fit components deliver clean signal feedback to the PCM without triggering false misfire codes or check engine lights.