Powkos Iridium Spark Plug Set 18875-08085 — 4-Pack for 1.6L Turbo Hyundai & Kia, OEM Fit for Improved Durability

Powkos Spark Plug Set 18875-08085 (4 pack) are direct-fit iridium ignition replacements engineered for 1.6L turbo Hyundai and Kia engines to restore consistent combustion and reliable starts.

These Powkos iridium spark plugs are built to match OEM fit and gap specifications while offering a higher melting-point electrode for improved wear resistance in modern turbocharged engines. Supplied as a complete four-plug set, they replace part numbers 18875-08085 and 1887508085 and are designed to be a straightforward swap-in for vehicles that require this specification.

Which vehicles will accept these spark plugs?

Powkos 18875-08085 plugs were manufactured to be compatible with a range of recent Hyundai and Kia models equipped with the 1.6L turbocharged engine. Always verify your vehicle’s required part number before purchase to ensure a correct match.

• Hyundai Elantra: 2021–2023
• Hyundai Kona: 2022–2023
• Hyundai Santa Fe: 2021–2023
• Hyundai Tucson: 2022–2024
• Kia K5: 2021–2023
• Kia Sorento: 2021–2023
• Kia Sportage: 2023

How do these iridium plugs perform compared with standard plugs?

The fine-wire iridium center electrode offers greater hardness and a higher melting point than conventional materials, helping the tip resist erosion and preserve ignition consistency over time. That translates to steadier spark delivery across thousands of miles, especially under the higher combustion temperatures of turbocharged engines.

• Iridium center electrode for extended durability
• Stable spark under higher heat and pressure
• Designed to reduce misfires and preserve ignition timing

Are these plugs easy to install and do they require gap adjustment?

Powkos spark plugs are manufactured to OEM thread pitch and factory gap specifications so installation is typically quick and tool-friendly. In most cases they can be installed without gap adjustment, but it’s good practice to confirm the gap for your specific engine before final installation.

• OEM-matched thread and gap dimensions
• Supplied as a 4-pack to service all cylinders at once
• Intended for direct replacement—no special calibration needed

What benefits will I notice after replacing my plugs with this set?

When worn plugs are replaced with properly gapped iridium units, expect more reliable starts, smoother idling, and fewer misfires under load. Over time the improved electrode wear resistance helps maintain consistent ignition performance, which supports engine balance and responsiveness.

• Improved throttle response and smoother idle
• Reduced misfire incidents and steadier combustion
• Longer service life compared with standard nickel plugs

Who is this for: This Powkos 4-pack is intended for owners and technicians who need a like-for-like iridium replacement for Hyundai and Kia 1.6L turbo engines, especially when restoring ignition reliability or performing periodic tune-ups. It’s a practical choice for DIYers and professional shops seeking OEM compatibility, long-term electrode durability, and a straightforward installation process.