Ignition Coil and Iridium Spark Plugs for Dodge Avenger (2008-2014) 2.4L
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Direct-Fit Ignition Coil and Iridium Spark Plug Kit for 2008-2014 Dodge Avenger
What it Does: Replaces degraded factory coil-on-plug packs and worn spark plugs to eliminate misfires, restore lost combustion efficiency, and stabilize idle dynamics across the entire powerband.
The Stock Avenger Ignition Degradation
The 2.4L World Gas Engine (GEMA ED3) operates under sustained under-hood thermal stress, which accelerates the breakdown of the factory coil-on-plug epoxy potting and primary copper windings. Over time, thermal cycling induces micro-fractures in the coil housings, causing dielectric breakdown, erratic secondary voltage dropouts, and intermittent secondary circuit arcing under load. Paired with standard nickel or worn OEM plugs whose gaps steadily widen from electrical erosion, this failure path causes hesitation, unburned hydrocarbon emissions, rough idle, and P0300-P0304 diagnostic trouble codes.
The Engineering Solution
This comprehensive ignition service kit restores factory ignition architecture using high-grade magnetic copper core windings encased in reinforced thermal-resistant housings. Designed to maintain continuous dielectric strength under extreme engine bay temperatures, each coil delivers reliable high-voltage output across all RPM thresholds. The matched fine-wire iridium spark plugs feature high-melting-point center electrodes and precision ground straps, resisting electrical gap widening, reducing required firing voltage, and ensuring sharp, uniform flame kernel propagation for complete combustion.
Technical Specifications
| Fitment | 2008-2014 Dodge Avenger 2.4L |
| Engine / Chassis | 2.4L GEMA ED3 I4 / Chrysler JS Platform |
| Stock Output | 173 hp / 166 lb-ft (Approx) |
| Part Number | UF557, 4606824AB, 4606824AC, IC637, C1587, E1057, 5C1644 |
Compatibility
- 2008 Dodge Avenger 2.4L L4 (Base, SE, SXT)
- 2009 Dodge Avenger 2.4L L4 (SE, SXT)
- 2010 Dodge Avenger 2.4L L4 (Express, R/T, SXT)
- 2011 Dodge Avenger 2.4L L4 (Express, Lux, Mainstreet)
- 2012 Dodge Avenger 2.4L L4 (SE, SXT, SXT Plus)
- 2013 Dodge Avenger 2.4L L4 (SE, SXT)
- 2014 Dodge Avenger 2.4L L4 (SE, SXT)
The Dodge Reliability Standard
Engineered to exact OEM operational tolerances, this complete ignition refresh maintains factory pulse-width parameters without triggering false knock threshold readings or check engine lights, keeping your daily driver firing consistently under all load conditions.
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