Ignition Coils for Maserati Quattroporte (2003-2012) 4.2L 4.7L

Direct-Replacement Ignition Coils for 2003-2012 Maserati Quattroporte

Restores critical spark delivery to the F136 V8 engine to eliminate misfires and smooth out rough idle conditions. These precision-wound ignition coils are designed as a direct plug-and-play replacement for the notoriously sensitive factory units on the M139 chassis.

The Stock Quattroporte Thermal Weakness

The factory ignition coils on the Ferrari-derived F136 4.2L and 4.7L V8 engines are highly susceptible to thermal degradation. Positioned deep within the cylinder banks, the OEM coil packs endure severe heat soak cycles during normal driving and spirited acceleration. Over time, this intense thermal load breaks down the internal epoxy potting and primary windings, leading to increased electrical resistance. This degradation manifests as intermittent cylinder misfires under load, hesitation during throttle tip-in, increased emissions, and the inevitable flashing check engine light (CEL). Ignoring these warning signs forces the ECU to pull timing, severely degrading the vehicle's driving dynamics and potentially causing secondary catalytic converter damage from unburned fuel.

The Engineering Solution

This 8-pack of replacement ignition coils is engineered to exceed OEM thermal tolerances. By utilizing high-dielectric epoxy resin and upgraded copper wiring in the primary and secondary coils, these units optimize voltage transfer and resist internal short-circuiting. The reinforced high-temperature silicone boots provide superior insulation against the M139's harsh valve cover environment, preventing voltage leaks and flashovers to the cylinder head. The result is a consistent, high-energy spark across the entire RPM range, ensuring complete combustion. This restores factory power output, stabilizes the idle, and guarantees reliable cold starts without triggering ECU fault codes.

Technical Specifications

Compatibility

• 2003-2012 Maserati Quattroporte 4.2L V8
• 2003-2012 Maserati Quattroporte 4.7L V8

The Maserati Precision Standard

Engineered for exacting European standards, these ignition coils ensure precise voltage delivery for optimal combustion. Experience flawless operation, exact factory fitment, and reliable performance with zero check engine lights.