Ignition Coils for Maserati Gran Cabrio (2010-2018)

Direct-Replacement Ignition Coils for 2010-2018 Maserati Gran Cabrio

Restores optimal spark energy and resolves misfires for the Ferrari-derived F136 V8 engine. This set of 8 ignition coils directly replaces failing OEM units to ensure consistent combustion, eliminate rough idling, and prevent unburned fuel from damaging the catalytic converters.

The Stock Gran Cabrio Ignition Weakness

The M145 chassis Gran Cabrio relies on the high-revving 4.7L F136 V8, an engine notorious for its extreme thermal output. Over tens of thousands of miles, the factory ignition coils endure severe heat soak within the engine bank. This continuous thermal cycling degrades the epoxy resin and internal primary windings of the OEM coils. As the internal insulation breaks down, voltage leaks occur, causing weak spark delivery under heavy engine load. Mechanics frequently diagnose this failure as P0300-series random misfires, hesitant acceleration, and noticeable power loss near the 7,000 RPM redline. Ignoring these failing coils often leads to raw fuel dumping into the exhaust tract, accelerating the wear on expensive oxygen sensors and catalytic converters.

The Engineering Solution

These replacement ignition coils are engineered to resolve the heat-induced failures common to the Maserati V8 platform. Manufactured with high-temperature epoxy and reinforced silicone dielectric boots, they offer superior resistance to thermal breakdown. The tightly wound internal secondary windings deliver consistent kilovolt output matching precise factory specifications, ensuring a dense, reliable spark at peak cylinder compression. By maintaining stable resistance values across all operating temperatures, these coils prevent the engine control unit (ECU) from pulling timing due to weak combustion. The direct plug-and-play design ensures perfect seating against the spark plug terminal, restoring smooth power delivery and returning the F136 engine to its intended baseline performance without triggering check engine lights.

Technical Specifications

Compatibility

• 2010-2018 Maserati Gran Cabrio (All Trims)
• Direct replacement for 8 ignition coils compatible with part number 281449

The Maserati Precision Standard

Maintaining a European grand tourer demands strict adherence to factory tolerances. Upgrading to these thermally stable ignition coils ensures proper engine management communication, zero CELs, and the sustained high-RPM precision expected from the F136 V8 powertrain.