Marsram Ignition Coil Pack & Spark Plug Kit for 2016–2020 Kia Optima 2.4L — 4‑Pack UF764 with Double‑Iridium Plugs

Marsram’s kit combines four UF764 ignition coils and four double‑iridium spark plugs engineered to restore reliable spark and smoother running for 2.4L Hyundai/Kia engines.

If your Optima, Sportage, Sonata, Santa Fe, Tucson or Sorento with a 2.4L or compatible 2.0L engine is showing rough idle, reduced throttle response, or higher fuel consumption, worn ignition coils and aged plugs are a common culprit. This Marsram set replaces OE part numbers such as UF764 and 27300‑2GGA0 and includes four coils plus four high‑performance iridium plugs to bring ignition performance back toward factory levels.

How will this kit affect starting, idling, and acceleration?

Fresher coils and iridium plugs deliver a stronger, more consistent spark across cylinders. That improves combustion stability, which helps the engine start smoothly, steady idle, and respond more crisply under load without diagnostic surprises.

• Stronger initial spark from high‑conductivity copper windings
• Double‑iridium electrodes maintain a stable spark gap longer
• Reduced misfires and fewer rough‑idle episodes
• Improved throttle response and more efficient fuel burn

Which vehicles and part numbers are compatible with this replacement kit?

This Marsram assembly covers a wide list of Hyundai and Kia models that use UF764 or equivalent coil packs and the listed spark plug type. Always confirm fitment using your vehicle details before purchasing.

• Kia Optima 2016–2020 2.4L (LX, EX, S, Special Edition)
• Kia Sportage 2016–2022 2.4L and select 2020–2022 trims
• Hyundai Sonata, Santa Fe, Tucson 2015–2020 in specified 2.0L/2.4L trims
• Replaces part numbers: UF764, 27300‑2GGA0, GN10730, C988, E1264, IC871; spark plug 93175 LKR7DIX‑11S

What materials and design features improve durability and performance?

Marsram uses robust exterior housings and high‑conductivity internals to withstand heat and vibration in modern engines. The combined coil and plug design choices reduce spark gap growth and resist thermal degradation for longer service life.

• Epoxy resin and engineering‑grade plastic housings to resist melting
• Copper coil windings for faster ignition response
• Double‑iridium center and ground electrodes for lasting spark stability
• OE‑level design and testing to meet fit and function expectations

Is installation straightforward and what does the warranty cover?

The kit is made to match OE form, fit, and function so a competent DIYer or mechanic can replace the coils and plugs with standard tools. Marsram backs the kit with a one‑year aftermarket warranty and responsive customer support for installation or product issues.

• Includes four coils and four spark plugs for a full‑bank replacement
• Meets or exceeds OE design and performance standards
• 1‑year warranty and customer service assistance for faults
• Ships with packaging and reference to confirm vehicle fitment

Who is this for: Drivers and DIY technicians who own compatible Kia or Hyundai models and want a complete ignition bank refresh to address misfires, poor fuel economy, hard starting, or rough idle. Also suitable for shops seeking an economical, OE‑matching coil and iridium plug set to replace worn ignition components and restore dependable engine performance.