HomeIgnition > Ignition CoilDenso 673-4020 Direct Ignition Coil
Part #: 673-4020

Denso 673-4020 Direct Ignition Coil

Coil on Plug
5 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Coil on Plug
Fitment: Nissan, Sentra
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Reliable Ignition Coil for Nissan Sentra Vehicles

The Denso 673-4020 ignition coil is designed specifically for Nissan Sentra models, providing consistent 12-volt power delivery in a compact black housing. This direct ignition coil ensures efficient spark generation for optimal engine performance.

  • Direct ignition coil designed for Nissan Sentra
  • Operates at 12 volts for reliable ignition
  • Durable black finish for corrosion resistance
  • Part number 673-4020 for precise fitment
  • Compatible with Denso Coil on Plug product line

About the Denso Coil on Plug Product Line

The Denso Coil on Plug product line features ignition coils engineered to deliver direct spark energy to each cylinder without the need for spark plug wires. This design reduces energy loss and improves ignition efficiency. The 673-4020 coil is part of this line, ensuring a direct and reliable connection for Nissan Sentra ignition systems.

Product Details and Specifications

This ignition coil operates at a standard 12-volt electrical system voltage, matching the requirements of Nissan Sentra vehicles. The black color finish provides a protective layer against environmental factors, helping maintain coil integrity over time. The direct ignition coil design eliminates the need for secondary wiring, simplifying installation and improving ignition response.

Common Applications and Problem Resolution

  • Replaces faulty or worn ignition coils in Nissan Sentra models
  • Resolves engine misfires caused by weak or inconsistent spark
  • Improves starting reliability and engine smoothness
  • Addresses rough idling and poor acceleration issues
  • Prevents ignition-related check engine light triggers

Installation Notes and Tips

When installing the Denso 673-4020 ignition coil, ensure the vehicle's ignition system is powered off to avoid electrical shock. The coil is designed for direct plug-in installation on Nissan Sentra engines compatible with this part number. Verify the coil seating and electrical connections are secure to maintain optimal performance.

Quality Assurance and Warranty Information

Denso ignition coils undergo rigorous testing to meet OEM standards for durability and performance. The 673-4020 part number is manufactured to provide consistent voltage output and reliable operation. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributor.

BrandDenso
Part Number673-4020
PositionCoil on Plug
ColorBlack
Voltage12

This part fits 5 vehicles. Search below:

YearMakeModelPositionNotes
2006NissanSentraN/AFederal Emissions; Coil on Plug
2005NissanSentraN/AFederal Emissions; Coil on Plug
2004NissanSentraN/ACoil on Plug
2003NissanSentraN/ACoil on Plug
2002NissanSentraN/ACoil 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:

5C1394

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