Denso 3293 Spark Plug

Reliable Ignition Performance for Infiniti, Nissan, and Subaru Vehicles

The Denso Double Platinum 3293 spark plug is engineered to deliver consistent ignition and efficient combustion for select Infiniti, Nissan, Subaru, and other compatible models. Designed with durable platinum tips and a copper core, this spark plug supports stable engine operation and longevity.

• Double platinum chip ground electrode tip for enhanced durability
• Copper center electrode core material for improved 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 precise ignition
• Manufacturer heat range rating of 16 for balanced thermal performance
• Hex size of 16.0 mm for standard installation tools

Technical Details and Design Features

The Denso Double Platinum 3293 spark plug features a platinum chip on the ground electrode tip and a platinum center electrode tip, which enhances wear resistance and maintains a stable spark over time. The copper core center electrode improves electrical conductivity, contributing to efficient ignition and fuel combustion. The ground electrode is made of nickel, providing structural strength. With a pre-gap size of 1.1 mm and a flat seat design, this spark plug ensures proper sealing and optimal spark gap for reliable engine starts and smooth running.

Double Platinum Product Line Overview

The Double Platinum line from Denso is designed to offer a balance of durability and performance by utilizing platinum on both the center and ground electrodes. This dual platinum design helps extend the service life of the spark plug while maintaining consistent ignition quality. The 3293 part number within this line is tailored for vehicles requiring a heat range of 16 and specific thread and reach dimensions, making it suitable for a range of Infiniti, Nissan, Subaru, Isuzu, and Saab models.

Compatible Vehicles and Common Applications

• Compatible with Infiniti QX4 and Pathfinder models
• Fits Nissan Altima, Frontier, and Axiom vehicles
• Suitable for Subaru Forester and Impreza engines
• Also compatible with Isuzu Rodeo, Rodeo Sport, and Xterra
• Applicable for Saab 9-2X models

Installation Notes and Tips

• Ensure the spark plug gap is set to 1.1 mm before installation if not pre-gapped
• Use a 16 mm socket wrench for proper tightening
• Apply anti-seize compound on threads if recommended by the vehicle manufacturer
• Torque to manufacturer specifications to avoid damage to the flat seat
• Inspect ignition components for wear during replacement

Quality Assurance and Warranty

Denso manufactures the Double Platinum 3293 spark plug to meet OEM standards for fit, form, and function. The use of premium materials such as platinum and copper ensures durability and consistent performance. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship.