Ignition Coil & Iridium Spark Plugs for Dodge Grand Caravan (2011-2020) 3.6L

Direct-Replacement Ignition Coil & Iridium Spark Plugs for 2011-2020 Dodge Grand Caravan (3.6L Pentastar / RT)

What it Does: Restores factory ignition performance and eliminates misfires by providing consistent, high-voltage spark delivery to the Pentastar V6.

The Stock Grand Caravan Ignition Weakness

The 3.6L Pentastar V6 in the RT chassis is prone to accelerated ignition component degradation, specifically within the upper intake manifold environment where heat cycles are most severe. Over time, the OEM coil packs suffer from dielectric breakdown in the epoxy potting, leading to voltage leaks, intermittent misfires, and rough idling under load. Additionally, factory spark plug electrodes erode past their optimal gap specification, resulting in increased electrical resistance. This forces the ignition coils to work harder, increasing internal thermal load and causing premature coil failure, frequently accompanied by P0300 to P0306 DTCs and a noticeable drop in fuel economy.

The Engineering Solution

This ignition service kit replaces the prone-to-failure OEM components with robust coil packs and advanced Iridium spark plugs. The ignition coils feature upgraded copper windings and high-temperature epoxy resin potting, improving thermal resistance and ensuring stable voltage output under prolonged heat saturation. The included Iridium spark plugs utilize a laser-welded fine-wire center electrode, which significantly lowers the required firing voltage while resisting spark erosion far better than standard platinum alternatives. This stabilized arc propagation yields a more complete combustion event, restoring factory engine output, smoothing the idle, and protecting the catalytic converters from unburned hydrocarbon dumping. Replacing all six coils and plugs simultaneously prevents asymmetrical electrical load on the primary ignition circuit.

Technical Specifications

Compatibility

• 2011-2020 Dodge Grand Caravan SE
• 2011-2020 Dodge Grand Caravan SXT
• 2011-2020 Dodge Grand Caravan Crew
• 2011-2020 Dodge Grand Caravan R/T
• 2011-2020 Dodge Grand Caravan GT

The Dodge RT Standard

Built to handle the demanding duty cycles of daily hauling and passenger transport, this comprehensive ignition upgrade ensures your Grand Caravan maintains reliable starting power and consistent performance without throwing a CEL.