A-Premium 6‑Piece Ignition Coil Pack + Iridium Spark Plugs for Infiniti & Nissan (G25, Q50, Altima, Murano, Pathfinder, Quest)

Revitalize your Infiniti or Nissan with a premium ignition kit

This A-Premium kit pairs six high‑quality ignition coils with iridium spark plugs for a 3.5L V6 family common to Infiniti and Nissan models. Designed for bolt‑on installation, it aims to deliver dependable sparks and consistent energy delivery across the engine’s cylinders, helping you maintain smooth operation without overpromising results.

By combining coil packs with iridium plugs, you may notice a steadier idle, crisper throttle response, and potential improvements in overall combustion efficiency. Real‑world drivers often report easier starts on cool mornings and more uniform power delivery after completing a proper replacement, though outcomes depend on vehicle condition and maintenance history.

What’s included and how it helps

• Six bolt‑on ignition coils with blade terminals for straightforward, plug‑and‑play installation on compatible engines.
• Six iridium spark plugs engineered for durable performance and a consistent spark across drive cycles.
• Reference numbers UF550, UF-550, 22448JA10A, 22448JA10C, 22448JA11C, 22448JA12D to help verify fitment with your model and year.

Key specifications to keep in mind

• Coil details: 2 terminals, blade type, bolt‑on mounting, located on the valve cover.
• Electrical specs: Primary resistance 0.72 ohms ±10% (0.65–0.79); Secondary resistance 14.62 kΩ ±10% (13.16–16.08).
• Spark plug material: Iridium + Nickel; Gap: 1.0–1.1 in; Thread diameter: 12 mm; Installation torque: 15–20 N.

Vehicle fitment at a glance

The kit covers Infiniti EX35, FX35, G25, G35, JX35, M35, M35h, Q50/Q70, QX60 (2014–2023), and Nissan models such as 350Z (2007–2009), Altima (2007–2018), Maxima (2009–2014, 2016–2020), Murano (2009–2020), Pathfinder (2013–2020), and Quest (2011–2017) with the 3.5L V6 engine family in scope.

Quality you can trust

A‑Premium backs this ignition kit with a one‑year unlimited‑mileage guarantee, reflecting a commitment to dependable automotive accessories across a broad range of fitments. Individual results vary, and this kit is designed to complement well‑maintained engines seeking reliable ignition performance.

Notes on use

Follow factory service procedures for installation, torque specs, and clearance. This kit is intended for compatible engines and may not be a universal solution for all vehicles.