UF651 Ignition Coil Pack & Iridium Spark Plugs Compatible with Hyundai

In this review the UF651 ignition coil pack and iridium spark plug kit is evaluated for owners of 1.8L and 2.0L Hyundai and Kia models who want a direct-replacement service item that restores reliable ignition and smoother running. The bottom line: this kit is best for drivers seeking an affordable, OE-matching replacement set that emphasizes stable high-voltage output and long-lived spark performance. The review focuses on fitment, materials, ease of installation and whether the claimed fuel economy and drivability benefits are realistic.

Key Features

• Direct fit compatibility: The kit is designed to fit specific Hyundai and Kia 1.8L and 2.0L models from 2011 to 2020, making replacement straightforward when the vehicle matches the listed fitment.
• Quality materials: The coil pack uses imported Germany copper wire and alloy steel components for high conductivity and corrosion resistance, which helps maintain stable high-voltage output.
• Iridium spark plugs: The plugs use a 360 continuous laser welded center electrode and 95% high alumina ceramic for better heat transfer and resistance to wear.
• OE matching: The parts conform to original equipment specifications and carry multiple OE numbers, helping ensure compatibility with original ignition system requirements.
• Improved drivability: The manufacturer reports better fuel efficiency and reduced misfire symptoms after installation, which users report as tangible improvements in daily driving.

Who It's For

This kit is aimed at owners of non-turbocharged Hyundai Elantra, Elantra GT, Tucson and Kia Forte, Forte5, and Soul models with 1.8L or 2.0L L4 engines who need a full ignition coil pack set and matching iridium plugs. It is particularly useful for DIYers and independent shops that prefer direct-replacement parts produced in a TS16949 certified facility.

It is not suitable for turbocharged engine variants or 1.6L engines (those require a different part). Buyers should visually check their existing coils and confirm the listed OE numbers or use the fitment navigation tool before purchase to avoid ordering the wrong version.

Pros & Cons

Pros

• Good fit and ease of installation reported by customers, reducing time in the garage.
• High-conductivity copper and alloy materials help deliver stable high-voltage output and reduce oxidation risk.
• Iridium plugs offer improved heat transfer and long service life compared with standard plugs.

Cons

• Fitment is specific: the UF651 only fits 1.8L/2.0L engines and will not work on turbocharged or 1.6L variants, so buyers must confirm appearance and part numbers.

Specifications

Product type	Ignition coil pack set with iridium spark plugs
Compatible engines	1.8L and 2.0L L4 (non-turbo)
Fitment years	Hyundai 2011-2016 Elantra, 2013-2020 Elantra GT, 2014-2020 Tucson; Kia 2012-2018 Soul, 2014-2016 Forte, 2014-2018 Forte5
Coil construction	Imported copper wire, alloy steel, corrosion resistant
Spark plug construction	Iridium center electrode, 95% high alumina ceramic
OE numbers	Includes UF651 and multiple referenced OE codes for compatibility

Our Verdict

The UF651 coil pack and iridium spark plug kit is a sensible, value-focused replacement for owners of compatible Hyundai and Kia 1.8L and 2.0L models who need reliable ignition performance and longer-lasting plugs. When the fitment matches, the kit restores stable high voltage, reduces misfires, and can contribute to improved fuel efficiency, making it a practical choice for maintenance or repair.

Frequently Asked Questions

Will this fit turbocharged models?
This UF651 kit does not fit turbocharged (Turbo/T) variants; check engine type before purchasing.

Does this kit include all coils and plugs needed?
Yes, the set supplies a full coil pack set and matching iridium spark plugs for the specified 1.8L and 2.0L applications.

How does this affect fuel economy?
Improved ignition stability and plug performance can reduce misfires and inefficiency; manufacturer notes fuel efficiency gains reported after replacement.