Denso 673-2301 Direct Ignition Coil

Denso 673-2301 Coil on Plug Ignition Coil

Denso 673-2301 is a direct ignition coil for Coil on Plug applications, built for 12-volt systems and finished in gray. It is a fitment-based replacement for select Honda and Acura vehicles, including Honda Civic, Accord, CR-V, Element, S2000, and Acura RSX applications.

Key Features

• Direct Ignition Coil for Coil on Plug systems
• 12-volt electrical specification
• Gray housing
• OE-style replacement for select Honda and Acura applications
• Denso coil on plug product line for ignition service

Product Details

The Denso Coil on Plug line focuses on stick coil technology for modern ignition systems. Denso applies inspection and testing processes to support consistent coil performance and reliable spark delivery in the applications listed below. Part number 673-2301 is commonly searched as Denso 673-2301 ignition coil and Denso 673-2301 coil on plug replacement for Honda Civic and Acura RSX service.

This part cross-references Standard Ignition (e.g., UF311, UF583) for the same application.

Vehicle Fitment

• Fits 2002-2011 Honda Civic, N/A, Coil on Plug
• Fits 2003-2011 Honda Element, N/A, Coil on Plug
• Fits 2002-2009 Honda CR-V, N/A, Coil on Plug
• Fits 2003-2007 Honda Accord, N/A, Coil on Plug
• Fits 2002-2006 Acura RSX, N/A, Coil on Plug
• Fits 2004-2005 Honda S2000, N/A, Coil on Plug

Common Replacement Symptoms

• Engine misfire under load or at idle
• Rough running or intermittent hesitation
• Hard starting caused by weak ignition output
• Check engine light related to ignition coil performance
• Loss of spark in a Coil on Plug ignition system

Installation Notes

Verify the part number, connector style, and engine application before installation. Inspect spark plugs, boots, and related ignition components during service, since worn plugs can shorten coil life. Use the vehicle service procedure for the exact Honda Civic, Accord, CR-V, Element, S2000, or Acura RSX application.

Quality Assurance

Denso states that this ignition coil line is backed by extensive testing and inspection during manufacturing to support consistent quality and fitment accuracy.