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Ignition Coil & Iridium Spark Plugs for Jaguar XK (2010-2012) 5.0L V8



Precio habitual $149.95
Precio de oferta $149.95 Precio habitual
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High-Output Ignition Coil & Iridium Spark Plugs for 2010-2012 Jaguar XF

Restores optimal spark energy: This comprehensive ignition service kit replaces degraded factory coils and plugs to resolve misfires and improve combustion efficiency in the 5.0L V8.

The Stock XF Thermal Weakness

The factory ignition system on the Jaguar X250 platform, specifically surrounding the 5.0L AJ133 V8, is highly susceptible to thermal degradation. Positioned directly atop the cylinder banks, OEM coil packs endure severe heat soak cycles from the block and exhaust manifolds. Over time, this thermal stress breaks down internal epoxy insulation, leading to micro-arcing and primary winding failure. Additionally, standard spark plug electrodes wear down rapidly, widening the gap. This strains aging coil packs, demanding higher voltage and resulting in rough idling, heavy throttle hesitation, and P0300-series misfire codes.

The Engineering Solution

This OE+ replacement kit addresses these electrical vulnerabilities by utilizing upgraded materials. The ignition coils feature enhanced internal durable copper windings with superior dialectic insulation, reducing resistance and stabilizing voltage output. The housings are molded from high-temp synthetic polymers engineered to withstand extreme AJ-V8 under-hood temperatures. Paired with eight iridium-tipped spark plugs, this system ensures a highly concentrated, consistent spark kernel. The iridium electrode requires less voltage to fire while maintaining a precise gap, delivering up to a 15% increase in spark energy for complete combustion and smoother power delivery.

Technical Specifications

Fitment 2010-2012 Jaguar XF
Engine / Chassis AJ133 5.0L V8 / X250
Stock Output 385 hp / 380 lb-ft (Approx)
Part Number UF618, LR010687, 8W93-12A366-DA

Compatibility

  • 2010-2012 Jaguar XF 5.0L V8
  • 2010-2012 Jaguar XK 5.0L V8

The Jaguar Precision Standard

European V8 engines demand strict electrical tolerances to operate efficiently. This ignition kit meets exact OE specifications, ensuring proper voltage signaling to the ECU. The result is a smooth, surge-free powerband and reliable daily operation without triggering check engine lights or intermittent misfires.


Clasificación de seguridad del motor
Dificultad


Mueble

Hacer

Jaguar

Tamaño del motor

  • 5.0L

Año

  • 2010
  • 2011
  • 2012

Garantía

Todos los productos están respaldados por nuestra garantía limitada de por vida. Confiamos en nuestra calidad. [Ver términos y condiciones]

Ignition Coil & Iridium Spark Plugs for Jaguar XK (2010-2012) 5.0L V8

$149.95