Ignition Coil and Iridium Spark Plugs for Cadillac SRX (2004-2006) 3.6L
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Direct-Fit Ignition Coil and Iridium Spark Plug Service Kit for 2004-2006 Cadillac SRX
Precision Ignition Overhaul: Restores factory secondary ignition output and spark energy across all six cylinders to eliminate misfires and stabilize idle on the 3.6L High Feature V6 engine.
The Stock SRX Thermal Degradation and Coil Breakdown
The 3.6L engine packages coil-on-plug units deep within cylinder head wells, subjecting factory primary and secondary windings to continuous thermal cycling. Over time, high dielectric stress cracks internal potting epoxy, leading to voltage leakage, high-RPM misfires (P0300–P0306), carbon tracking, and sluggish throttle response.
The Engineering Solution
This comprehensive service pack replaces degraded components with six heavy-duty ignition coils featuring high-purity copper windings and high-dielectric epoxy potting to resist thermal breakdown. Matched with fine-wire iridium spark plugs that require lower ignition voltage and resist spark erosion, this kit ensures crisp flame propagation, dependable cold starts, and consistent combustion efficiency.
Technical Specifications
| Fitment | 2004-2006 Cadillac SRX |
| Engine / Chassis | 3.6L LY7 V6 / GM Sigma Platform |
| Stock Output | 255 hp / 254 lb-ft (Approx) |
| Part Number | UF-375 / UF375 |
Compatibility
- 2004 Cadillac SRX Base 3.6L V6 (LY7)
- 2005 Cadillac SRX Base 3.6L V6 (LY7)
- 2006 Cadillac SRX Base 3.6L V6 (LY7)
The Cadillac Luxury Standard
Engineered to maintain factory diagnostic calibration without throwing false check-engine codes, this kit restores the quiet, balanced, and vibration-free driving experience expected of Cadillac's premium luxury crossover platform.
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