Ignition Coil & Iridium Spark Plugs for Land Rover Range Rover (2014-2019) 3.0L V6

Reliable Ignition Coil & Iridium Spark Plugs for 2014-2019 Land Rover Range Rover

Restores proper combustion and eliminates misfires: This direct-replacement ignition coil and iridium spark plug kit ensures optimal voltage transfer and consistent spark timing for the AJ126 3.0L Supercharged V6 engine, effectively resolving rough idling and hesitation.

The Stock L405 Ignition Shortcoming

The factory JLR ignition coils and standard spark plugs on the AJ126 platform are notoriously susceptible to thermal degradation due to the intense heat soak generated by the Roots-type supercharger nestled in the engine valley. Over time, continuous exposure to these extreme thermal cycles compromises the epoxy resin isolating the internal primary and secondary copper windings. This insulation breakdown leads to internal arcing, erratic impedance, and ultimately, misfire codes (such as P0300 through P0306). Furthermore, the OEM spark plug electrodes can erode prematurely under standard boost levels, widening the spark gap and forcing the failing coils to work even harder, exacerbating the ignition system's rapid decline.

The Engineering Solution

This upgraded ignition kit directly addresses these inherent thermal flaws. The ignition coils are constructed using high-dielectric epoxy and high-grade copper wire windings to significantly enhance thermal shock resistance and maximize voltage output under heavy load. The robust silicone boot and precision-engineered blade connectors ensure superior weatherproofing and eliminate parasitic voltage leaks. Paired directly with these coils are premium iridium-tipped spark plugs. The ultra-fine iridium center electrode requires less voltage to bridge the spark gap while providing exceptional resistance to oxidation and spark erosion. This combination optimizes the combustion event, yielding smoother acceleration, restored fuel economy, and consistent power delivery without the risk of high-RPM spark blowout.

Technical Specifications

Compatibility

• 2014 Land Rover Range Rover 3.0L V6
• 2015 Land Rover Range Rover 3.0L V6
• 2016 Land Rover Range Rover 3.0L V6
• 2017 Land Rover Range Rover 3.0L V6
• 2018 Land Rover Range Rover 3.0L V6
• 2019 Land Rover Range Rover 3.0L V6

The Land Rover Precision Standard

Designed for exact fitment and OBD-II compliance, this kit ensures a precise installation with zero check engine lights, maintaining the refined power delivery expected from a high-caliber European luxury SUV.