Denso 673-4023 Direct Ignition Coil

Reliable Direct Ignition Coil for Nissan, Infiniti, and Suzuki Vehicles

The Denso 673-4023 direct ignition coil delivers consistent 12-volt performance designed for a range of Nissan, Infiniti, and Suzuki models. Engineered to meet OEM specifications, this black ignition coil ensures efficient spark delivery for optimal engine operation.

• Direct ignition coil with 12-volt rating
• Compatible with multiple Nissan, Infiniti, and Suzuki models
• Durable black housing for heat and corrosion resistance
• Part of Denso's Coil on Plug product line for precise ignition control
• OEM-quality fit and function with part number 673-4023

About the Denso Coil on Plug Product Line

The Coil on Plug product line from Denso is designed to provide direct ignition coils that mount directly onto the spark plug, eliminating the need for spark plug wires. This design improves ignition efficiency and reduces electrical losses. The 673-4023 coil is part of this line, offering reliable voltage delivery and a compact form factor suitable for modern ignition systems in Nissan, Infiniti, and Suzuki vehicles.

Product Details and Compatibility

This direct ignition coil operates at 12 volts and features a black exterior for durability under engine bay conditions. It is compatible with a variety of models including the Nissan Altima, Frontier, Maxima, Murano, Pathfinder, Quest, Xterra, NV1500, NV2500, NV3500, as well as Infiniti I35 and QX4, and Suzuki Equator. The part number 673-4023 ensures precise replacement and fitment for these vehicles.

Common Applications and Issues Addressed

• Restores proper ignition spark for smooth engine starts
• Resolves misfires caused by faulty ignition coils
• Improves engine performance and fuel efficiency
• Eliminates rough idling and hesitation during acceleration
• Prevents check engine light related to ignition coil faults

Installation Notes and Tips

Installation of the Denso 673-4023 ignition coil requires basic mechanical skills and standard hand tools. Ensure the engine is cool before removal. Disconnect the battery to prevent electrical shorts. Remove the old coil carefully to avoid damaging the spark plug or wiring harness. Align the new coil properly and secure it firmly. After installation, clear any diagnostic trouble codes and verify engine operation.

Quality Assurance and Warranty

Denso ignition coils are manufactured to meet strict quality standards and OEM specifications. The 673-4023 part undergoes rigorous testing to ensure reliable voltage delivery and durability. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship.