Denso 3049 Spark Plug

Reliable Ignition Performance for Dodge, Hyundai, and More

The Denso 3049 spark plug from the U-Groove Conventional line offers dependable ignition for a variety of vehicles including Dodge, Hyundai, Mitsubishi, and Subaru models. Designed with a U-groove ground electrode tip and quality core materials, this spark plug supports efficient combustion and engine performance.

• U-groove ground electrode tip design for improved spark exposure
• Nickel ground electrode core and tip for durability
• Copper center electrode core with nickel tip for optimal 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 for precise ignition timing
• Hex size of 20.6 mm for easy installation
• Manufacturer heat range of 20 suitable for various driving conditions

About the Denso U-Groove Conventional Spark Plug Line

The U-Groove Conventional spark plug line by Denso is engineered to provide consistent ignition performance through its unique U-groove ground electrode tip design. This design increases the spark exposure area, which can enhance combustion efficiency and reduce misfires. The combination of nickel and copper materials in the electrodes ensures reliable conductivity and resistance to wear, making it suitable for conventional ignition systems in a range of vehicles.

Technical Details and Compatibility

The Denso 3049 spark plug features a 1.1 mm pre-gap size and a flat seat type, ensuring proper sealing and spark delivery. Its 14 mm thread diameter and 19 mm reach make it compatible with various models from Dodge, Hyundai, Isuzu, Mitsubishi, Subaru, Suzuki, and Volkswagen. Vehicles such as the Dodge Caravan, Hyundai Elantra, Mitsubishi Eclipse, Subaru Impreza, and Volkswagen Cabriolet can benefit from this spark plug’s specifications.

Common Applications and Problem Solving

• Helps resolve engine misfires and rough idling
• Improves cold start performance in compatible vehicles
• Reduces spark plug fouling and carbon buildup
• Supports stable combustion in Dodge Pickup and Mitsubishi Montero
• Maintains ignition reliability in Hyundai Sonata and Subaru Scoupe

Installation Notes and Tips

When installing the Denso 3049 spark plug, ensure the pre-gap of 1.1 mm is maintained for optimal ignition. Use a 20.6 mm socket wrench to tighten the spark plug to the manufacturer’s torque specifications. The flat seat design requires proper seating to avoid compression leaks. It is recommended to inspect the ignition system and replace spark plugs in sets for consistent engine performance.

Quality Assurance and Warranty

Denso spark plugs, including the 3049 part number, are manufactured to meet strict quality standards for durability and performance. The use of nickel and copper materials in the electrodes ensures resistance to wear and corrosion. While specific warranty details may vary, Denso products typically come with manufacturer-backed quality assurance to support reliable ignition system operation.