A-Premium Double Iridium Spark Plugs Pack of 4 — 2.4L L4 Fine-Wire, 100k–120k Mile Life

A-Premium Double Iridium Spark Plugs pack of 4 delivers long-lasting, high-precision ignition for 2.4L L4 Hyundai and Kia engines.

These fine-wire double iridium spark plugs are engineered to meet OEM performance standards for several Hyundai and Kia 2.4L L4 applications, including Sonata, Tucson, Santa Fe Sport, Optima, Sorento, and Sportage models. With an iridium center tip, platinum core, and a narrow 0.044-inch gap, they prioritize reliable spark energy, consistent throttle response, and extended service intervals up to 100,000–120,000 miles.

How do these spark plugs improve starting and throttle response?

The double iridium tip and platinum core produce a concentrated, stable spark that helps ignite the air–fuel mixture more consistently than standard plugs. That improved spark consistency can reduce misfires and produce smoother acceleration across the rev range.

• Iridium center electrode for precise spark delivery
• Fine-wire design minimizes voltage loss during ignition
• 5000-ohm resistance for EMI suppression and stable firing
• 0.044" gap tuned for efficient combustion in 2.4L L4 engines

Are these plugs compatible with my vehicle and what are the key specs?

These A-Premium plugs are designed to replace part numbers like 93199 and DILKR6C11 and fit many Hyundai and Kia 2.4L L4 models spanning early-2010s applications. Check your vehicle’s service manual or existing plug thread size and reach to confirm fitment before installing.

• Thread diameter: 12.00 mm and reach: 26.5 mm
• Insulator height: 51.00 mm and hex size: 5/8" for standard socket removal
• Double iridium tip with platinum core for durability
• Factory-style resistance: 5000 ohms to reduce radio interference

What maintenance interval should I follow and how durable are they?

Double iridium plugs are built for longevity; A-Premium recommends inspecting or replacing them within a 100,000–120,000 mile window depending on driving conditions. The hard-wearing iridium tip and platinum core resist erosion and sustain gap integrity over long service lives compared with copper or standard platinum plugs.

• Replace within 100,000–120,000 miles for optimal performance
• Superior electrode wear resistance versus conventional plugs
• Retains gap consistency under typical highway and city driving

What should I know before installing these spark plugs?

Installation follows normal spark plug service procedures, but observe torque specs and anti-seize recommendations from your vehicle manufacturer. Use the correct 5/8" socket and ensure the 0.044" gap is maintained; over-tightening or incorrect gap can affect ignition and longevity.

• Use a 5/8" hex socket and follow OEM torque settings
• Verify the 0.044" gap before installing if necessary
• Replace one cylinder at a time to preserve ignition wire order
• Inspect ignition coils and boots for wear while servicing

Who is this for: A-Premium Double Iridium Spark Plugs are aimed at DIY mechanics, professional technicians, and owners of Hyundai and Kia vehicles with 2.4L L4 engines who want an OEM-style replacement that extends service intervals and maintains steady ignition performance. They suit drivers seeking improved ignition reliability, reduced misfires, and durable electrodes for long-term use in Sonata (2011–2014), Santa Fe Sport (2013–2015), Tucson (2014–2015), Optima (2011–2015), Sorento (2012–2014), and Sportage (2014–2015) 2.4L models. Always confirm fitment against your vehicle’s service data before purchase.