Denso 5362 Spark Plug

Denso Iridium Power Spark Plug for Ferrari

The Denso Iridium Power 5362 spark plug is built for drivers who want precise ignition performance and stable combustion. It uses a 0.4 mm iridium center electrode to support efficient spark delivery, with a tapercut and U-groove ground electrode design for consistent firing characteristics.

Compatible With 2000-2002 Ferrari 360, 1995-1996 Ferrari F355 Berlinetta, and 1984-1985 Ferrari GTO. This Denso 5362 spark plug is part of the Iridium Power line, a product family focused on fine-wire iridium construction for performance-oriented ignition service.

Key Features

• Iridium center electrode with 0.4 mm tip for focused spark delivery
• Tapercut, U-groove ground electrode design
• Nickel ground electrode core material
• Copper center electrode core material
• 5000 ohm resistance
• Flat seat design with 14.00 mm thread diameter and 19.00 mm reach
• Pre-gapped to 0.9 mm
• Hex size: 16.0 mm

Detailed Description

Denso Iridium Power 5362 is a secondary ignition spark plug engineered around a fine iridium center electrode for strong ignition response and reliable spark consistency. The 5000 ohm resistor design supports electrical noise suppression, while the tapercut and U-groove ground electrode profile helps promote efficient flame initiation. With a flat seat, 14.00 mm thread diameter, 19.00 mm reach, and 0.9 mm pre-gap, this plug is specified for direct-fit service on select Ferrari applications.

For buyers searching for a Ferrari 360 spark plug, Ferrari F355 Berlinetta spark plug, or Ferrari GTO spark plug, the Denso 5362 offers a fitment-specific option backed by Denso’s Iridium Power product line. Interchange reference: DENSO Auto Parts IU24.

Common Issues This Part Addresses

• Misfires caused by worn or eroded spark plug electrodes
• Hard starting from weak ignition output
• Rough idle related to inconsistent spark delivery
• Reduced throttle response from degraded secondary ignition performance
• Ignition noise concerns in resistor-equipped systems

Installation Notes and Tips

Verify thread diameter, reach, seat type, and heat range before installation. Confirm the gap specification matches the engine requirement and inspect the ignition system for wear before replacing plugs. Use the vehicle service procedure for torque and removal/installation sequence on Ferrari 360, F355 Berlinetta, and GTO applications.

Quality Assurance

Denso manufactures the Iridium Power line with fine-wire iridium electrode technology and application-specific specifications for ignition service. Part number 5362 is built to the listed dimensions and electrical characteristics for the confirmed Ferrari fitments above.