Denso 3297 Spark Plug

Overview of Denso Iridium Long Life Spark Plug 3297

The Denso Iridium Long Life spark plug 3297 is engineered for reliable ignition performance in a range of vehicles including Toyota Camry, Lexus RX330, and Mercedes-Benz C230. 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 spark
• Copper core center electrode for improved conductivity
• Standard ground configuration with nickel core ground electrode
• Pre-gapped to 1.1 mm for optimal ignition
• Flat seat type with 14 mm thread diameter and 19 mm reach
• Hex size of 16 mm for easy installation
• Manufacturer heat range 20 suitable for various driving conditions

Detailed Features and Specifications

This Denso spark plug 3297 features an iridium center electrode tip, which offers a fine wire design that improves ignitability and extends service life. The copper core center electrode enhances thermal conductivity, helping to dissipate heat efficiently. The ground electrode incorporates a platinum chip tip, which maintains a consistent spark gap and resists wear. The nickel core ground electrode and standard ground configuration provide reliable spark performance. With a pre-gap size of 1.1 mm, this spark plug is ready for installation without additional adjustment. The flat seat design ensures proper sealing in compatible engines, while the 14 mm thread diameter and 19 mm reach fit a variety of models including Toyota 4Runner, Lexus GX470, and Volvo XC90.

About the Iridium Long Life Product Line

The Denso Iridium Long Life line focuses on durability and consistent ignition performance. Iridium, being a hard and heat-resistant metal, allows these spark plugs to maintain a precise spark gap over extended periods, reducing misfires and improving fuel efficiency. This product line is designed to meet the demands of modern engines found in vehicles such as the Toyota Highlander and Mercedes-Benz SLK55 AMG, providing a balance of longevity and performance.

Compatible Vehicles and Common Applications

• Replacement for ignition issues in Toyota Camry, Corolla, and Supra
• Suitable for Lexus ES300, RX400h, and LS430 ignition systems
• Compatible with Mercedes-Benz C32 AMG, CLK55 AMG, and SLK230 models
• Fits Suzuki and Pontiac models requiring 14 mm thread diameter spark plugs
• Applicable for Volvo S60, S80, and XC90 secondary ignition needs

Installation Notes and Tips

• Verify spark plug gap of 1.1 mm before installation if necessary
• Use a 16 mm socket wrench for proper tightening torque
• Ensure flat seat type matches engine specifications to avoid leaks
• Apply anti-seize compound sparingly on threads if recommended by vehicle manufacturer
• Replace spark plugs at intervals specified in the vehicle’s maintenance schedule

Quality Assurance and Warranty

Denso spark plug 3297 is manufactured to meet OEM standards for fit, form, and function. The use of iridium and platinum materials ensures resistance to electrode wear and consistent ignition performance. While specific warranty details vary by distributor, Denso products typically come with a limited warranty covering defects in materials and workmanship.