HomeIgnition > Ignition CoilDenso 673-4014 Direct Ignition Coil
Part #: 673-4014

Denso 673-4014 Direct Ignition Coil

Coil on Plug
⚙️ 4 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$61.79Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Coil on Plug
🚗Fitment: INFINITI and Nissan, Pathfinder and QX4
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Ignition Coil for Nissan Pathfinder and Infiniti QX4

The Denso 673-4014 ignition coil is designed to deliver consistent 12-volt performance for direct ignition systems. Specifically engineered for Nissan Pathfinder and Infiniti QX4 models, this gray-colored coil ensures precise spark delivery to maintain engine efficiency.

Key Features of the Denso 673-4014 Ignition Coil

  • Direct ignition coil designed for 12-volt electrical systems
  • Gray color housing for easy identification
  • Compatible with Nissan Pathfinder and Infiniti QX4 vehicles
  • Part of the Denso Coil on Plug product line for reliable ignition performance
  • Durable construction to withstand engine bay conditions

About the Denso Coil on Plug Product Line

The Denso Coil on Plug product line focuses on direct ignition coils that mount directly onto the spark plug, eliminating the need for spark plug wires. This design improves ignition efficiency and reduces potential points of failure. The 673-4014 coil benefits from this technology, providing a streamlined fit and reliable spark delivery for compatible Nissan and Infiniti models.

Detailed Product Description

The Denso 673-4014 ignition coil operates at 12 volts and features a gray casing that matches OEM specifications. It is engineered to fit directly onto the spark plug, ensuring optimal electrical connection and ignition timing. This coil is specifically compatible with Nissan Pathfinder and Infiniti QX4 vehicles, making it a suitable replacement part for maintaining engine performance and fuel efficiency. Its direct ignition design reduces energy loss and enhances spark strength, contributing to smoother engine operation.

Common Issues Addressed by This Ignition Coil

  • Engine misfires or rough idling in Nissan Pathfinder and Infiniti QX4
  • Difficulty starting the engine due to weak spark
  • Reduced fuel efficiency caused by incomplete combustion
  • Check engine light triggered by ignition coil faults
  • Loss of power or hesitation during acceleration

Installation Notes and Tips

When installing the Denso 673-4014 ignition coil, ensure the vehicle’s ignition system is powered off to prevent electrical shock. Carefully remove the old coil and inspect the spark plug for wear or damage before installing the new coil. The direct fit design simplifies installation on Nissan Pathfinder and Infiniti QX4 models, but verify proper seating to avoid misfires. Consult the vehicle’s service manual for torque specifications and safety precautions.

Quality Assurance and Warranty

Denso manufactures the 673-4014 ignition coil to meet strict quality standards, ensuring reliable performance in demanding automotive environments. While specific warranty details are not provided here, Denso products typically come with manufacturer-backed warranties covering defects in materials and workmanship. For exact warranty information, refer to Denso’s official documentation or authorized distributors.

BrandDenso
Part Number673-4014
PositionCoil on Plug
Voltage12
ColorGray

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
2001INFINITIQX4N/ATo 09/2000; Cylinder 1; Coil on Plug
2001NissanPathfinderN/ATo 08/2000; Cylinder 1; Coil on Plug
2000INFINITIQX4N/ACylinder 1; Coil on Plug
2000NissanPathfinderN/ACylinder 1; Coil on Plug

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

E527D

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.