Denso 3273 Spark Plug

Reliable Ignition Performance for Audi, Honda, Hyundai, and Volkswagen

The Denso Double Platinum 3273 spark plug is engineered to deliver consistent ignition and efficient combustion for a range of vehicles including Audi A4, Honda Civic, and Volkswagen Golf models. Designed with durable materials and precise specifications, this spark plug supports optimal engine performance and fuel efficiency.

• Double platinum electrodes for enhanced durability and stable ignition
• Center electrode with copper core and platinum tip for improved conductivity
• Ground electrode features a platinum chip with nickel core for longevity
• Standard ground configuration with a single ground electrode
• Pre-gap size of 0.8 mm for precise spark delivery
• Flat seat type with 14 mm thread diameter and 19 mm reach
• Hex size of 16 mm for easy installation
• Manufacturer heat range rating of 22 suitable for various driving conditions
• Resistance of 5000 ohms to reduce electrical noise interference

Detailed Features and Construction

The Denso Double Platinum 3273 spark plug incorporates a copper core center electrode that enhances thermal conductivity, ensuring efficient heat dissipation. Both the center and ground electrodes are tipped with platinum, which increases wear resistance and extends service life compared to conventional spark plugs. The ground electrode’s platinum chip and nickel core provide a stable spark gap and resist electrode erosion. With a pre-set gap of 0.8 mm, this spark plug is optimized for consistent ignition timing and combustion efficiency. The flat seat design and 14 mm thread diameter ensure compatibility with a wide range of engines, while the 19 mm reach fits specific engine configurations found in Audi, Honda, Hyundai, and Volkswagen models.

Double Platinum Product Line Overview

The Double Platinum line from Denso is designed to offer enhanced durability and reliable ignition performance by utilizing platinum on both the center and ground electrodes. This dual platinum design reduces electrode wear and maintains a consistent spark gap over time, which is critical for maintaining engine efficiency and reducing misfires. The 3273 spark plug benefits from this technology, making it suitable for vehicles requiring long-lasting ignition components.

Applications and Common Issues Addressed

• Compatible with Audi models such as A3, A4, A5, A6, Q3, Q5, and TT including Quattro variants
• Fits Honda Civic and other compatible models
• Suitable for Hyundai and Volkswagen vehicles including Golf, Jetta, Passat, and Beetle
• Helps resolve engine misfires and rough idling caused by worn spark plugs
• Improves cold start performance and fuel efficiency
• Reduces ignition system electrical noise due to 5000 ohm resistance

Installation Notes and Tips

• Ensure the spark plug gap is set to 0.8 mm if adjustment is necessary
• Use a 16 mm socket wrench for proper torque application
• Verify thread diameter (14 mm) and reach (19 mm) match engine specifications
• Apply anti-seize compound sparingly on threads if recommended by vehicle manufacturer
• Follow vehicle-specific torque specifications to avoid damage

Quality Assurance and Warranty

Denso manufactures the Double Platinum 3273 spark plug to meet strict OEM standards for fit, form, and function. The use of high-quality materials such as platinum and copper ensures durability and consistent performance. While specific warranty details may vary, Denso products typically come with manufacturer-backed quality assurance to support reliable operation in compatible Audi, Honda, Hyundai, and Volkswagen vehicles.