Denso 5372 Spark Plug

Reliable Ignition with Denso Iridium Power Spark Plug 5372

The Denso Iridium Power spark plug 5372 offers precise ignition performance designed for a range of vehicle makes and models. Engineered with advanced materials and a specialized electrode design, this spark plug supports efficient combustion and consistent engine operation.

• 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
• Flat seat type with 19.00 mm reach and 12.00 mm thread diameter
• Pre-gap size of 0.8 mm and hex size of 18.0 mm for precise fitment
• Manufacturer heat range rating of 24 for balanced thermal performance
• Resistance value of 5000 ohms to reduce electrical noise interference

About the Denso Iridium Power Product Line

The Iridium Power line by Denso is designed to provide enhanced ignition performance through the use of iridium-tipped electrodes. This technology allows for a finer electrode tip, which improves spark efficiency and combustion stability. The 5372 spark plug benefits from this line’s focus on durability and consistent ignition, making it suitable for vehicles requiring reliable secondary ignition components.

Technical Details and Performance

The Denso 5372 spark plug features a copper core center electrode that ensures excellent thermal conductivity, helping to maintain optimal operating temperatures. The iridium tip on the center electrode provides a hard-wearing surface that resists wear and erosion over time. The ground electrode’s tapercut, u-groove design increases spark exposure, which can contribute to more complete combustion. With a flat seat and a reach of 19.00 mm, this spark plug fits applications requiring these specific dimensions. The resistance rating of 5000 ohms helps minimize electromagnetic interference with vehicle electronics.

Compatible Vehicles and Common Applications

• Compatible with various makes and models requiring a 12 mm thread diameter and 19 mm reach spark plug
• Suitable for vehicles needing a heat range 24 spark plug for balanced engine temperature control
• Used in engines where a flat seat spark plug is specified
• Ideal for applications requiring a spark plug with an 18 mm hex size for installation
• Addresses ignition issues such as misfires, rough idling, and poor fuel economy

Installation Notes and Tips

Ensure the spark plug gap is set to the specified 0.8 mm pre-gap before installation. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended torque specification to avoid damage to the electrode or threads. The 18 mm hex size allows for standard spark plug socket compatibility. Inspect the spark plug seat type and thread diameter to confirm compatibility with your vehicle’s cylinder head.

Quality Assurance and Warranty

Denso manufactures the Iridium Power 5372 spark plug to meet strict quality standards for ignition components. The use of premium materials such as iridium and copper ensures long service life and consistent performance. While specific warranty details are not provided, Denso products typically adhere to industry standards for durability and reliability.