Denso 673-8209 Direct Ignition Coil

Direct Ignition Coil Overview

This DENSO direct ignition coil is a coil-on-plug replacement built for consistent spark delivery and dependable ignition performance. It is a DENSO Certified Replacement Part for select Suzuki applications and carries part number 673-8209.

Compatible With 2007-2009 Suzuki SX4 and 2006-2008 Suzuki Grand Vitara, this ignition coil is a direct-fit solution for vehicles using a coil-on-plug design. The black housing and 12.0-volt specification align with the original electrical requirements for the listed applications.

Key Features

• Direct ignition coil for coil-on-plug systems
• DENSO Certified Replacement Part for listed applications
• 12.0-volt electrical specification
• Black housing
• Part number 673-8209 for identification and ordering

Detailed Description

DENSO developed stick coil technology and applies controlled testing and inspection processes to this ignition coil to support reliable spark output. For Suzuki SX4 and Suzuki Grand Vitara applications, this part number 673-8209 provides a direct replacement path when the original coil shows signs of wear, misfire, or inconsistent ignition performance. This part cross-references Delphi GN10439 for the same application.

Common Issues This Part May Solve

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

Installation Notes and Tips

Verify the vehicle year, make, model, and coil-on-plug configuration before ordering. Inspect the spark plug and connector condition during replacement, and confirm the electrical connector seats fully after installation. Use the listed fitment details for Suzuki SX4 and Suzuki Grand Vitara applications to confirm application match.

Quality Assurance

DENSO backs this ignition coil with its testing and inspection standards used for certified replacement parts. The brand’s experience in stick coil technology supports consistent manufacturing control for the listed applications.