Ignition Coils & Spark Plugs Compatible with Nissan 3.5L V6 - Reliable

In this review of the Ignition Coils & Spark Plugs kit, the bottom line is simple: this set is for owners of Nissan and Infiniti vehicles with the 3.5L V6 who need an affordable, direct-fit ignition refresh. The reviewer found the kit delivers improved engine smoothness and straightforward DIY installation, and the most compelling reason to buy is the combination of full ignition coil and spark plug replacement in one package that directly replaces common part numbers such as UF550 and 22448-JA10C.

Key Features

• Direct Compatibility: The kit is designed to fit a wide range of Nissan and Infiniti 3.5L V6 models from the late 2000s through the 2010s, making it an easy swap for many owners.
• Complete Kit: Six ignition coils and spark plugs arrive together so the entire bank can be replaced at once, reducing repeat labor and balancing cylinder performance.
• Durable Materials: Coils use silicon steel, Japanese-sourced rubber, and varnished wire for a construction aimed at longer service life under heat and vibration.
• Iridium Spark Plugs: The spark plugs use iridium electrodes for improved conductivity and corrosion resistance, which supports reliable ignition and longevity.
• Performance Improvement: Replacing worn coils is reported to reduce misfires, improve idle smoothness, and can help address check engine or stability light triggers related to ignition faults.

Who It's For

This kit is best for DIY mechanics and independent shops working on Nissan Maxima, Altima, Murano, Pathfinder, 350Z, Quest, and selected Infiniti models with the 3.5L V6 engine who want a single-purchase solution to replace all six coils and plugs. It is particularly useful when one or more cylinders show misfire codes or the vehicle exhibits rough idle and higher fuel consumption.

Owners who need exact dealer-level OEM part traceability or factory-branded components may prefer OEM coils and plugs, or to confirm fitment via their vehicle details before purchase. Also, if only a single coil needs replacement, buying a single genuine coil could be more economical.

Pros & Cons

Pros

• Good fit across many 3.5L V6 Nissan/Infiniti models, reducing compatibility guesswork.
• Includes iridium spark plugs which offer longer life and stable ignition performance.
• Customers report easier installation and noticeable improvement in engine smoothness.

Cons

• Not an OEM-branded kit, so buyers seeking factory parts may prefer dealer sources.
• Fitment should be confirmed against exact vehicle details to avoid ordering the wrong set.

Specifications

Brand	Hchenup
Fitment	Nissan/Infiniti 3.5L V6 models (2007-2019 ranges listed)
Contents	6 ignition coils and 6 iridium spark plugs
Replaces Part Numbers	UF550, 22448-JA10C, 22401-1LA1C and others listed
Coil Materials	Silicon steel core, Japan-sourced rubber, varnished wire
Warranty	24-month warranty with replacement or refund option

Our Verdict

For owners of 3.5L V6 Nissan and Infiniti models seeking a cost-effective full bank ignition refresh, this Hchenup kit offers a practical balance of value, improved running quality, and convenient installation. It is good value for DIY repairs or independent shops, provided buyers verify exact model fitment before ordering.

Frequently Asked Questions

Will this kit fit my Maxima or Altima?
It fits many 3.5L V6 Maxima and Altima model years listed; confirm your exact year and engine code against the product description for fitment.

Are the spark plugs high quality?
Yes, the plugs use iridium electrodes which typically last longer and resist corrosion better than nickel alloys.

What if a part fails after installation?
The kit includes a 24-month warranty; contact the seller for replacement or refund if you experience a covered failure.