Ignition Coil and Iridium Spark Plugs for Kia Rio (2006-2011) 1.6L

Direct-Fit Ignition Coil and Iridium Spark Plug Kit for 2006-2011 Kia Rio

Direct Replacement Kit: Restores factory spark energy and cylinder combustion efficiency across all cylinders to eliminate misfires, rough idling, and hesitation under load.

The Stock Rio Thermal Breakdown

The Alpha II engine bay subjects factory coil-on-plug packs to continuous high-temperature thermal cycling. Over time, original primary and secondary internal copper windings degrade, causing dielectric breakdown within the resin casing and micro-arcing along worn spark plug boots. Paired with standard eroded nickel plugs, increased electrical resistance leads to P0300–P0304 misfire codes, incomplete combustion, catalytic converter heat stress, and sluggish throttle response.

The Engineering Solution

This complete refresh kit pairs four heavy-duty coil packs with four fine-wire iridium spark plugs. The coil-on-plug assemblies utilize high-grade magnetic copper windings insulated with heat-resistant potting compound to maintain high dielectric strength. The fine-wire iridium center electrodes significantly lower the required firing voltage, providing stable spark kernel propagation and resistance to fouling even under lean-burn operating conditions.

Technical Specifications

Compatibility

• 2006-2011 Kia Rio 1.6L L4
• 2006-2011 Kia Rio5 1.6L L4
• Direct Interchange: UF499, UF-499, 27301-26640, 2730126640, C1543, PFR5N-11, 91924, 610-50103, 52-1841, 521841, 5C1586, 178-8290

The Kia Commuter Caliber

Engineered specifically for daily operational reliability, this ignition package meets exact factory resistance specifications to ensure rapid cold starts, smooth idle stability, and CEL-free performance across the life of your JB-chassis Rio.