Denso 3324 Spark Plug

Overview of Denso Iridium Long Life Spark Plug 3324

The Denso Iridium Long Life spark plug 3324 is engineered for reliable ignition performance in a range of vehicles including Toyota, Audi, Lexus, and Chevrolet models. Designed with advanced materials, this spark plug supports efficient combustion and long service intervals.

• Iridium center electrode tip for enhanced durability
• Platinum chip ground electrode tip for stable ignition
• Copper core center electrode for improved conductivity
• Standard ground configuration with nickel core ground electrode
• Pre-gap size of 1.1 mm for optimal spark gap
• Flat seat type with 14 mm thread diameter and 19 mm reach
• Hex size of 16.0 mm for easy installation
• Manufacturer heat range of 16 suitable for various engine types

Detailed Features and Materials

This Denso spark plug features an iridium tip on the center electrode, which provides a fine electrode that requires less voltage to generate a spark, improving ignition efficiency and longevity. The copper core center electrode enhances thermal conductivity, helping to dissipate heat effectively. The ground electrode includes a platinum chip tip, which contributes to consistent spark performance and wear resistance. The nickel core ground electrode and standard ground configuration ensure durability under typical operating conditions. With a pre-gap size of 1.1 mm, this spark plug is optimized for precise ignition timing and combustion.

Iridium Long Life Product Line

The Iridium Long Life line from Denso focuses on delivering extended durability and stable ignition performance. This product line utilizes iridium and platinum materials to reduce electrode wear and maintain consistent spark quality over time. The 3324 spark plug benefits from this technology, making it suitable for vehicles requiring reliable secondary ignition components.

Compatible Vehicles and Applications

This spark plug is compatible with a variety of makes and models, including Toyota 4Runner, Corolla, Tacoma, and Supra; Audi A4 Quattro and A5 Quattro; Lexus GS300 and SC300; Chevrolet Avenger and Vibe; Chrysler Caravan and Cirrus; Dodge Ram 1500 and Stratus; Plymouth Breeze and Voyager; Pontiac G6; Scion xB; and others. It is designed for use in secondary ignition systems where precise spark delivery is critical.

• Resolves misfires and rough idling issues
• Improves cold start performance
• Reduces engine hesitation during acceleration
• Helps maintain fuel efficiency by ensuring complete combustion
• Prevents electrode wear and corrosion over extended use

Installation Notes and Tips

When installing the Denso 3324 spark plug, ensure the pre-gap of 1.1 mm is maintained or adjusted according to the vehicle manufacturer’s specifications. Use a 16 mm socket for proper torque application. The flat seat design requires correct seating to avoid compression leaks. It is recommended to inspect the ignition system components and replace spark plugs in sets for consistent engine performance.

Quality Assurance and Warranty

Denso manufactures the 3324 spark plug to meet OEM standards, ensuring compatibility and performance. The use of iridium and platinum materials contributes to extended service life and reliability. While specific warranty details may vary, Denso products typically come with manufacturer-backed quality assurance to support durability and function in compatible vehicles.