Denso 673-4011 Direct Ignition Coil - Left

Overview of the Denso 673-4011 Direct Ignition Coil

The Denso 673-4011 is a direct ignition coil designed specifically for select INFINITI and Nissan vehicles. This black, 12-volt coil ensures reliable ignition performance for models such as the INFINITI I30 and Nissan Maxima.

• Direct ignition coil for precise spark delivery
• 12-volt electrical specification
• Black color for easy identification and fitment
• Compatible with INFINITI I30 and Nissan Maxima models
• Part number 673-4011 for accurate replacement

About the Denso Coil on Plug Product Line

The Denso Coil on Plug product line features ignition coils designed to mount directly on the spark plug, eliminating the need for spark plug wires. This design improves ignition efficiency and reduces potential points of failure. The 673-4011 coil is part of this line, providing a direct connection for consistent spark delivery in compatible INFINITI and Nissan vehicles.

Detailed Product Description

The Denso 673-4011 ignition coil operates at 12 volts and is finished in black, matching OEM specifications for a seamless replacement. As a direct ignition coil, it delivers high voltage directly to the spark plug, improving ignition timing and engine performance. This coil is engineered to meet the electrical and mechanical requirements of the INFINITI I30 and Nissan Maxima, ensuring proper fit and function.

Common Applications and Issues Addressed

• Replacement for faulty or worn ignition coils in INFINITI I30 and Nissan Maxima
• Resolves engine misfires caused by weak or inconsistent spark
• Improves starting reliability and engine smoothness
• Addresses rough idling and poor acceleration issues
• Helps reduce engine hesitation during acceleration

Installation Notes and Tips

• Ensure vehicle ignition is off and battery disconnected before installation
• Verify compatibility with INFINITI I30 or Nissan Maxima before replacing
• Handle the coil carefully to avoid damage to the electrical connector
• Follow manufacturer torque specifications when securing the coil
• Inspect spark plugs and wiring harness for wear during installation

Quality Assurance and Warranty

Denso ignition coils, including the 673-4011, are manufactured to meet strict quality standards for durability and performance. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship. Using a genuine Denso coil helps maintain the integrity of your vehicle's ignition system.