HomeIgnition > Ignition CoilDenso 673-2305 Direct Ignition Coil
Part #: 673-2305

Denso 673-2305 Direct Ignition Coil

Coil on Plug
6 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Coil on Plug
Fitment: Honda, Civic
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Reliable Ignition Coil for Honda Civic Vehicles

The Denso 673-2305 ignition coil is designed specifically for Honda Civic models, providing consistent 12-volt performance. This direct ignition coil ensures efficient spark delivery for optimal engine operation.

  • Direct ignition coil design for precise spark control
  • Operates at 12 volts for standard automotive electrical systems
  • Gray color housing for easy identification
  • Compatible with Honda Civic models requiring this specific coil
  • Part number 673-2305 for accurate replacement and fitment

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 673-2305 coil benefits from this technology, offering a streamlined installation and reliable spark delivery tailored for Honda Civic engines.

Product Details and Specifications

This Denso ignition coil operates at a standard 12-volt electrical system, compatible with the Honda Civic's ignition requirements. The gray color casing helps technicians quickly identify the part during maintenance or replacement. As a direct ignition coil, it delivers spark energy directly to the spark plug, enhancing ignition timing accuracy and engine performance. The part number 673-2305 ensures precise fitment and compatibility with the specified vehicle models.

Common Applications and Problem Resolution

  • Replaces faulty or worn ignition coils in Honda Civic vehicles
  • Addresses engine misfires caused by weak or inconsistent spark
  • Improves starting reliability and engine smoothness
  • Resolves rough idling issues linked to ignition coil failure
  • Helps restore proper fuel combustion efficiency

Installation Notes and Tips

When installing the Denso 673-2305 ignition coil, ensure the vehicle's ignition system is powered off to prevent electrical shock. The direct coil on plug design simplifies installation by mounting directly onto the spark plug. Verify the gray coil matches the original part for correct fitment. Use appropriate torque specifications to avoid damage to the coil or spark plug.

Quality Assurance and Warranty Information

Denso ignition coils are manufactured to meet OEM standards for durability and performance. The 673-2305 coil undergoes rigorous testing to ensure reliable operation under normal driving conditions. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributor.

BrandDenso
Part Number673-2305
PositionCoil on Plug
ColorGray
Voltage12

This part fits 6 vehicles. Search below:

YearMakeModelPositionNotes
2011HondaCivicN/ACoil on Plug
2010HondaCivicN/ACoil on Plug
2009HondaCivicN/ACoil on Plug
2008HondaCivicN/ACoil on Plug
2007HondaCivicN/ACoil on Plug
2006HondaCivicN/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:

5C1637

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