Denso 3201 Spark Plug

Overview of Denso 3201 Spark Plug for Hyundai and Kia Vehicles

The Denso 3201 spark plug is engineered for reliable ignition performance in a range of vehicles including Hyundai Sonata, Kia Optima, and Nissan Sentra. Designed with a U-groove ground electrode tip, this spark plug supports efficient combustion and consistent engine operation.

• U-groove ground electrode tip design for improved spark exposure
• Nickel ground and center electrode tips with copper core for durability and conductivity
• Standard ground configuration with a single ground electrode
• Flat seat type with 14mm thread diameter and 19mm reach
• Pre-gap size of 1.1 mm optimized for ignition efficiency
• Hex size of 20.6 mm for easy installation
• Manufacturer heat range rating of 16 suitable for various driving conditions
• Resistance of 5000 ohms to reduce electrical noise interference

Detailed Description of Denso U-Groove Conventional Spark Plug

The Denso 3201 spark plug belongs to the U-Groove Conventional product line, which features a unique U-shaped groove on the ground electrode tip. This design increases the spark exposure area, promoting better ignition and combustion stability. The spark plug’s center electrode is constructed with a copper core for excellent thermal conductivity, while the nickel plating on both the center and ground electrode tips enhances wear resistance. The single ground electrode with a standard configuration ensures consistent spark delivery. With a flat seat and a 19 mm reach, this spark plug fits securely in compatible engines, maintaining proper sealing and heat dissipation.

Compatible Vehicles and Common Applications

This spark plug is compatible with various models from Hyundai, Kia, Mazda, Mitsubishi, and Nissan. It is specifically designed for vehicles such as the Hyundai Sonata and Santa Fe, Kia Optima, Nissan Sentra and Pulsar NX, Mitsubishi 3000GT and Montero, as well as Mazda B2200, B2600, and Mighty Max.

• Helps resolve misfires and rough idling
• Improves cold start performance
• Reduces engine hesitation during acceleration
• Supports stable combustion to lower emissions
• Addresses spark plug fouling and wear issues

Installation Notes and Tips

When installing the Denso 3201 spark plug, ensure the pre-gap size of 1.1 mm is maintained or adjusted according to the vehicle manufacturer’s specifications. Use a torque wrench to tighten the spark plug to the recommended torque to avoid damage to the threads or improper sealing. The 20.6 mm hex size allows for standard spark plug socket compatibility. Inspect the spark plug seat and threads for cleanliness before installation to ensure optimal fit and performance.

Quality Assurance and Warranty Information

Denso spark plugs are manufactured to meet strict quality standards, ensuring reliable ignition performance and durability. The 3201 spark plug undergoes rigorous testing for heat range, resistance, and electrode integrity. While specific warranty details may vary, Denso products typically come with manufacturer-backed quality assurance to support long-term use in compatible Hyundai, Kia, Nissan, Mitsubishi, and Mazda vehicles.