Denso 5354 Spark Plug

Overview of Denso Iridium Power Spark Plug 5354

The Denso Iridium Power spark plug 5354 is engineered for reliable ignition performance in select Hyundai, Kia, and Mitsubishi vehicles. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and consistent engine operation.

• Iridium center electrode tip for enhanced durability
• Tapercut, u-groove ground electrode tip design
• Copper core center electrode for improved conductivity
• Nickel ground electrode core material with standard ground configuration
• Pre-gap size of 0.9 mm for optimal spark gap
• Flat seat type with 26.50 mm reach and 12.00 mm thread diameter
• Hex size of 16.0 mm for installation
• Manufacturer heat range rating of 20
• Resistance rating of 5000 ohms

Detailed Features and Specifications

The Denso Iridium Power 5354 spark plug incorporates a fine iridium tip on the center electrode, which enhances wear resistance and maintains stable ignition over time. The copper core center electrode improves thermal conductivity, helping to dissipate heat efficiently. The ground electrode features a tapercut, u-groove design with a nickel core, which supports consistent spark formation and reduces electrode wear. With a pre-gap size of 0.9 mm and a flat seat type, this spark plug ensures proper fit and spark gap for compatible engines. The 16.0 mm hex size facilitates straightforward installation using standard tools. Its heat range of 20 is suitable for the specified vehicle applications, balancing heat dissipation and combustion efficiency.

Iridium Power Product Line Information

The Iridium Power line by Denso focuses on delivering spark plugs with iridium-tipped electrodes that provide enhanced durability and stable ignition performance. This product line is designed to meet the demands of modern engines requiring precise spark control and long service life. The 5354 spark plug is part of this line, offering a balance of advanced materials and design features tailored for secondary ignition systems in select Hyundai, Kia, and Mitsubishi models.

Compatible Vehicles and Common Applications

• Hyundai Accent, Forte Koup, Optima, Santa Fe Sport, Sonata, Veloster
• Kia Rio, Soul, Sportage
• Mitsubishi Outlander
• Addresses issues such as misfires, rough idling, poor fuel economy, hard starts, and reduced engine power

Installation Notes and Tips

• Ensure the spark plug gap is set to 0.9 mm before installation if not pre-gapped
• Use a 16 mm socket wrench for proper torque application
• Apply anti-seize compound sparingly on threads if recommended by the vehicle manufacturer
• Follow vehicle-specific torque specifications to avoid damage
• Inspect ignition components for wear during replacement

Quality Assurance and Warranty

Denso manufactures the Iridium Power 5354 spark plug to meet OEM standards for fit, form, and function. The use of high-quality iridium and copper materials ensures consistent performance and longevity. While specific warranty details depend on the point of purchase, Denso products typically come with manufacturer-backed quality assurance to support reliable operation in compatible Hyundai, Kia, and Mitsubishi vehicles.