Ignition Coil and Iridium Spark Plugs for Kia Amanti (2007-2009) 3.8L

Direct-Fit Ignition Coil and Iridium Spark Plug Kit for 2007-2009 Kia Amanti

What it Does: The ignition coil and iridium spark plug kit replaces degraded ignition components on the 2007-2009 Kia Amanti 3.8L to eliminate cylinder misfires, stabilize idle RPM, and restore precise combustion timing.

The Stock Kia Amanti Heat-Soak and Misfire Vulnerability

In the Lambda G6DA 3.8L engine, the factory coil-on-plug units sit deep inside the valve cover channels beneath a compact intake plenum. Over time, engine bay heat soak degrades the internal copper windings and breaks down the factory epoxy dielectric potting. As secondary resistance climbs and factory plug gaps erode past spec, the ignition coils face excessive electrical load. This breakdown results in internal dielectric puncture, spark scatter, rough idling, hesitation under load, and recurring P0300-P0306 diagnostic trouble codes.

The Engineering Solution

This comprehensive service kit replaces all six coil assemblies and plugs to restore factory secondary ignition integrity. The coils feature high-purity copper windings, heavy-duty thermoplastic housing, and premium silicone boots rated for continuous thermal cycling to prevent spark flashover. Paired with high-melting-point iridium fine-wire spark plugs, this system reduces ionization voltage demand across the gap. The result is rapid flame-front propagation, lower emissions, stable cold starts, and consistent throttle response under heavy load without stressing the ECU drivers.

Technical Specifications

Compatibility

• 2007 Kia Amanti Base Sedan 3.8L V6 (GH Platform / Lambda G6DA)
• 2008 Kia Amanti Base Sedan 3.8L V6 (GH Platform / Lambda G6DA)
• 2009 Kia Amanti Base Sedan 3.8L V6 (GH Platform / Lambda G6DA)

Frequently Asked Questions

Does this fit the GH Amanti?
Yes, this is a direct fit for the 2007-2009 Kia Amanti equipped with the Lambda G6DA 3.8L V6 engine.

Do the included iridium spark plugs require manual gapping?
No, they are pre-calibrated to OEM gap requirements; mechanical gapping tools should be avoided to prevent fracturing the fine-wire iridium tip.

The Kia Drivetrain Standard

Engineered to deliver exact resistance values and OE-spec electrical load, this kit preserves catalytic converter longevity and restores smooth, vibration-free operation to the luxury-focused Amanti sedan.