Denso 673-5203 Direct Ignition Coil

Denso Coil on Plug Ignition Coil 673-5203

Denso 673-5203 is a direct ignition coil in the Coil on Plug format, built for 12-volt systems and finished in black. It is a fitment-based replacement for a wide range of Chrysler, Dodge, Jeep, and Ram vehicles, including Chrysler 300, Dodge Charger, and Jeep Cherokee applications.

Coil on Plug Product Line

Denso’s Coil on Plug line focuses on direct ignition coil replacement for modern engine management systems. As a stick-coil style ignition component, this part is built for precise spark delivery and consistent operation in vehicles that use individual coil units at each cylinder.

Key Features

• Direct Ignition Coil, Coil on Plug design
• 12-volt electrical specification
• Black housing
• Denso part number 673-5203
• Cross-reference: Bosch 0 221 504 032 and Standard Ignition UF648
• Fits 2022-2023 Chrysler 300, Dodge Challenger, Dodge Charger, and 2022 Jeep Cherokee applications

Fitment and Application Details

• Fits 2022-2023 Chrysler 300, N/A; DENSO Certified Replacement Part; Direct Ignition Coil - Coil on Plug
• Fits 2022-2023 Dodge Challenger, N/A; DENSO Certified Replacement Part; Direct Ignition Coil - Coil on Plug
• Fits 2022-2023 Dodge Charger, N/A; DENSO Certified Replacement Part; Direct Ignition Coil - Coil on Plug
• Fits 2022 Jeep Cherokee, N/A; DENSO Certified Replacement Part; Direct Ignition Coil - Coil on Plug
• Fits 2022 Ram 1500 Classic, N/A; DENSO Certified Replacement Part; Direct Ignition Coil - Coil on Plug
• Fits 2011-2021 Chrysler 300, N/A
• Fits 2011-2021 Dodge Challenger, N/A
• Fits 2011-2021 Dodge Charger, N/A
• Fits 2014-2021 Jeep Cherokee, N/A
• Fits 2019-2021 Ram 1500 Classic, N/A
• Fits 2014-2021 Ram ProMaster 1500, N/A
• Fits 2014-2021 Ram ProMaster 2500, N/A
• Fits 2014-2021 Ram ProMaster 3500, N/A
• Fits 2011-2020 Dodge Grand Caravan, N/A
• Fits 2011-2019 Dodge Journey, N/A
• Fits 2018 Jeep Wrangler JK, N/A
• Fits 2013-2018 Ram 1500, N/A
• Fits 2011-2017 Chrysler 200, N/A
• Fits 2012-2017 Jeep Wrangler, N/A
• Fits 2011-2016 Chrysler Town & Country, N/A
• Fits 2011-2015 Dodge Durango, N/A
• Fits 2011-2015 Jeep Grand Cherokee, N/A
• Fits 2012-2015 Ram C/V, N/A
• Fits 2011-2014 Dodge Avenger, N/A

What This Ignition Coil Helps Address

• Engine misfire caused by a weak or failing ignition coil
• Rough idle during startup or at stoplights
• Hard starting related to inconsistent spark output
• Loss of power under load from poor coil performance
• Check engine light conditions tied to ignition coil faults

Installation Notes and Tips

Verify the vehicle year, make, model, and engine application before ordering. This part is a direct ignition coil for Coil on Plug systems, so it should be matched to the original coil style and electrical specification. For best results, inspect spark plugs and related ignition components during replacement, especially on higher-mileage Chrysler, Dodge, Jeep, and Ram vehicles.

Quality Assurance

Denso states that this ignition coil is produced with extensive testing and inspection to support consistent quality. The 673-5203 is a Denso-certified replacement part for listed applications and is backed by Denso’s Coil on Plug product engineering.