Denso 673-2312 Direct Ignition Coil

Denso 673-2312 Direct Ignition Coil

This Denso direct ignition coil is a 12-volt coil on plug replacement built for consistent spark delivery and reliable ignition performance. It is a fitment-based solution for Honda CR-Z and Honda Fit models that use a coil-on-plug setup.

Key Features

• 12-volt direct ignition coil for coil-on-plug applications
• Gray housing
• OE-style replacement for select Honda ignition systems
• Part number 673-2312 for easy identification
• Fits 2011-2016 Honda CR-Z, Coil on Plug
• Fits 2009-2013 Honda Fit, Coil on Plug

Product Details

Denso 673-2312 is part of the Coil on Plug line, a product family focused on stick-coil ignition applications. Denso applies inspection and testing processes to help maintain consistent coil output and dependable electrical performance. For buyers searching for a Honda CR-Z ignition coil or a Honda Fit direct ignition coil, this part number 673-2312 provides a direct replacement option for the listed vehicles.

This part cross-references Airtex 5C1721 and Standard Ignition UF626 for the same application.

Common Issues This Coil Can Address

• Engine misfire caused by weak ignition output
• Rough idle related to coil failure
• Hard starting from inconsistent spark delivery
• Check engine light triggered by ignition coil faults
• Loss of acceleration response from degraded coil performance

Installation Notes and Tips

Verify the vehicle year, make, model, and coil-on-plug configuration before installation. Inspect the spark plug well, connector, and surrounding ignition components for wear or contamination before replacing the coil. Confirm the electrical connector seats fully and match the coil to the correct application listed for your Honda CR-Z or Honda Fit.

Quality Assurance

Denso backs this ignition coil with its established testing and inspection process used for ignition components. The Coil on Plug product line is built for direct ignition applications where consistent electrical performance matters.