Denso 673-4004 Direct Ignition Coil - Left

Reliable Ignition Coil for Nissan Maxima and Infiniti I30

The Denso 673-4004 ignition coil is designed to deliver consistent 12-volt performance for your Nissan Maxima or Infiniti I30. This direct ignition coil ensures efficient spark delivery, helping maintain engine stability and responsiveness.

• Direct ignition coil design for precise spark control
• Operates at 12 volts for optimal ignition performance
• Durable black housing for long-lasting use
• Compatible with Nissan Maxima and Infiniti I30 models
• Part number 673-4004 for accurate replacement

About the Denso Coil on Plug Product Line

The Denso Coil on Plug product line features ignition coils engineered to mount directly on the spark plug, eliminating the need for spark plug wires. This design reduces energy loss and improves ignition efficiency. The 673-4004 coil benefits from this technology, providing reliable ignition performance specifically tailored for compatible Nissan and Infiniti vehicles.

Product Details and Specifications

This ignition coil operates at a standard 12-volt rating, suitable for the electrical systems of the Nissan Maxima and Infiniti I30. The black color housing is designed for durability and heat resistance under engine conditions. As a direct ignition coil, it delivers spark energy directly to the spark plug, improving ignition timing and engine efficiency. The part number 673-4004 ensures you receive the correct component for your vehicle’s ignition system.

Common Applications and Problem Resolution

• Replaces faulty ignition coils causing engine misfires
• Addresses rough idling and poor acceleration issues
• Resolves difficulty starting the engine due to weak spark
• Improves fuel efficiency by ensuring proper combustion
• Eliminates check engine light codes related to ignition coil failure

Installation Notes and Tips

When installing the Denso 673-4004 ignition coil, ensure the engine is cool to prevent burns. Disconnect the battery before removal to avoid electrical shock. Carefully remove the old coil and inspect the spark plug for wear. Install the new coil firmly onto the spark plug, ensuring a secure connection. Reconnect the battery and test the engine for proper operation.

Quality Assurance and Warranty

Denso ignition coils are manufactured to meet OEM standards for fit and function. The 673-4004 part undergoes rigorous quality control to ensure reliable performance in Nissan Maxima and Infiniti I30 vehicles. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.