Denso 5380 Spark Plug

Reliable Ignition with Denso Iridium Power Spark Plug 5380

The Denso Iridium Power spark plug 5380 is engineered to deliver consistent ignition performance for a variety of vehicles. Designed with advanced materials and precise specifications, it supports efficient combustion and engine responsiveness.

• Iridium center electrode tip for enhanced durability and ignition
• Tapercut, u-groove ground electrode tip design for improved spark exposure
• Copper core center electrode for optimal conductivity
• Nickel ground electrode core material with standard ground configuration
• Pre-gap size of 0.8 mm for precise spark gap
• Flat seat type with 14.00 mm thread diameter and 12.70 mm reach
• Hex size of 20.6 mm for easy installation
• Manufacturer heat range of 24 suitable for various engine conditions
• Resistance rating of 5000 ohms to reduce electrical noise

Detailed Features and Specifications

The Denso Iridium Power 5380 spark plug incorporates a copper core center electrode with an iridium tip, combining excellent conductivity with long-lasting wear resistance. The tapercut, u-groove ground electrode tip design enhances spark exposure, promoting more efficient combustion. The single nickel ground electrode is configured in a standard layout, providing reliable grounding and durability. With a pre-gap size of 0.8 mm, this spark plug ensures optimal spark gap for consistent ignition. The flat seat type and 14.00 mm thread diameter with a 12.70 mm reach make it compatible with specific engine designs requiring these dimensions. The 20.6 mm hex size allows for straightforward installation using common tools. Additionally, the 5000 ohm resistance helps minimize electromagnetic interference, supporting stable engine electronics.

About the Iridium Power Product Line

Denso's Iridium Power line focuses on delivering spark plugs with iridium-tipped center electrodes, which provide enhanced durability and stable ignition performance. This product line is designed to improve throttle response and fuel efficiency by ensuring a strong and consistent spark. The 5380 spark plug benefits from these features, making it suitable for drivers seeking reliable secondary ignition components.

Applications and Problem Solving

• Restores engine misfire issues caused by worn or damaged spark plugs
• Improves throttle response and acceleration in compatible vehicles
• Reduces ignition system electrical noise with 5000 ohm resistance
• Supports efficient fuel combustion to help maintain engine performance
• Addresses rough idling and starting difficulties related to spark plug wear

Installation Notes and Tips

Ensure the spark plug gap is set to the specified 0.8 mm pre-gap before installation if adjustment is necessary. Use a 20.6 mm socket wrench for proper tightening to avoid damage to the flat seat. Verify compatibility with your vehicle’s engine specifications, particularly thread diameter and reach, to prevent installation issues. Avoid over-tightening to maintain the integrity of the spark plug and cylinder head.

Quality Assurance and Warranty

Denso manufactures the Iridium Power 5380 spark plug to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details may vary, Denso products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Refer to the vehicle manufacturer or Denso for exact warranty terms.