Denso 673-8312 Direct Ignition Coil

Denso 673-8312 Direct Ignition Coil

The Denso 673-8312 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 a wide range of Hyundai, Kia, and Genesis vehicles, including Hyundai Sonata, Santa Fe, Azera, and Kia Sorento, Sedona, and Optima applications.

DENSO’s Coil on Plug line is centered on stick coil technology and backed by detailed testing and inspection during production. For buyers replacing a failing ignition coil on a Hyundai Sonata or Kia Sorento, this part number 673-8312 is a direct-fit option for the listed vehicles.

Key Features

• Direct ignition coil for Coil on Plug systems
• 12-volt electrical specification
• Gray housing
• OE-focused design from Denso’s Coil on Plug product line
• Fits a broad range of Hyundai, Kia, and Genesis applications
• Cross-references Airtex 5C1587 and Standard Ignition UF546 for the same application

Fitment Details

• Fits 2019 Hyundai Santa Fe XL, N/A, Coil on Plug
• Fits 2007-2018 Hyundai Santa Fe, N/A, Coil on Plug
• Fits 2018 Kia Sedona, N/A, Coil on Plug
• Fits 2014-2016 Kia Sedona, N/A, Coil on Plug
• Fits 2006-2012 Kia Sedona, N/A, Coil on Plug
• Fits 2017 Genesis G80, N/A, Coil on Plug
• Fits 2006-2017 Hyundai Azera, N/A, Coil on Plug
• Fits 2014-2017 Kia Cadenza, N/A, Coil on Plug
• Fits 2017 Kia Sedona, N/A, DENSO is the OE supplier for this vehicle; Direct Ignition Coil - Coil on Plug
• Fits 2009-2016 Hyundai Genesis, N/A, Coil on Plug
• Fits 2010-2016 Hyundai Genesis Coupe, N/A, Coil on Plug
• Fits 2016 Kia K900, N/A, Coil on Plug
• Fits 2011-2016 Kia Sorento, N/A, Coil on Plug
• Fits 2007-2009 Kia Sorento, N/A, Coil on Plug
• Fits 2007-2012 Hyundai Veracruz, N/A, Coil on Plug
• Fits 2006-2010 Hyundai Sonata, N/A, Coil on Plug
• Fits 2007-2009 Kia Amanti, N/A, Coil on Plug
• Fits 2009 Kia Borrego, N/A, Coil on Plug
• Fits 2006-2009 Kia Optima, N/A, Coil on Plug
• Fits 2007-2009 Kia Rondo, N/A, Coil on Plug
• Fits 2007-2008 Hyundai Entourage, N/A, Coil on Plug

What This Coil Helps Address

• Engine misfire caused by a weak or failed ignition coil
• Rough idle during startup or at stoplights
• Hard starting related to inconsistent spark delivery
• Loss of power under acceleration
• Check engine light conditions tied to ignition coil faults

Installation Notes

Verify the part number and vehicle application before installation. This coil is designed for Coil on Plug use on the listed Hyundai, Kia, and Genesis models, so confirm the engine configuration and connector match the original unit. Inspect spark plugs and related ignition components during service to help prevent repeat coil failure.

Quality Assurance

Denso applies controlled testing and inspection processes to its ignition coil line to support consistent electrical performance and fit. The 673-8312 is part of Denso’s Coil on Plug product line, developed for direct replacement use on the specified applications.