UF401 Ignition Coil & 4469 Double Iridium Spark Plug 6PCS for Nissan Altima Maxima Pathfinder Quest 350Z Frontier Xterra NV1500 NV2500 NV3500/Infiniti FX35 I35 QX4 G35 M35 Replaces# 22448-AL61C

Compatible with: For
Nissan: 02-06 Altima 3.5L 02-08 Maxima 3.5L 02-04 Pathfinder 3.5L 04-09 Quest 3.5L 03-06 350Z 3.5L 05-19 Frontier 4.0L 12-19 NV1500/NV2500/NV3500 4.0L 05-12 Pathfinder 4.0L 05-15 Xterra 4.0L.
For Infiniti: 03-08 FX35 3.5L 02-05 I35 3.5L 02-03 QX4 3.5L 03-07 G35 3.5L 06-08 M35 3.5L. Please see the second main picture for more vehicles before purchase.
^^Excellent Function: A faulty ignition coil & spark plug may result in engine misfire, rough engine idle, decrease in power, poor fuel economy etc. Every component either matches or improves on the OE design to ensure fast and easy installation with superior performance and reliability, to provide superior cold-start performance and a smoother running engine.
^^High-quality: The spark plug is double iridium spark plug, have a much longer working life, can work 100000 kilometers, consistent and stable spark. The ignition coil made of premium quality materials, stainless-steel spring with internal ferrite noise suppressor prevents radio frequency interference, advanced thermoplastic coil connector ensures proper connection and resists fractures caused by heat and thermai cycling, to better transfer the high voltage created by the engines spark plug.