Denso 673-9331 Direct Ignition Coil

Denso Stick Coil 673-9331 for Jaguar Ignition Service

The Denso 673-9331 is a direct ignition coil built for Jaguar applications that use a stick coil design. It delivers 12-volt operation in a gray housing and is engineered for precise ignition performance in the vehicles listed below.

Denso’s Stick Coil line focuses on direct ignition coil technology with careful testing and inspection throughout production. For buyers searching for a Denso ignition coil for Jaguar XF, XJ8, XJR, XK, or S-Type service, this part number is a direct-fit option for the specified applications.

Key Features

• Direct ignition coil for stick coil applications
• 12-volt electrical specification
• Gray housing
• Denso Stick Coil product line
• Part number 673-9331

Detailed Description

The Denso 673-9331 direct ignition coil is designed for Jaguar engines that use a stick coil setup, including 2010 Jaguar XF, 2005-2009 Jaguar Super V8, 2004-2009 Jaguar Vanden Plas, 2004-2009 Jaguar XJ8, 2004-2009 Jaguar XJR, 2007-2009 Jaguar XK, 2003-2009 Jaguar XKR, 2004-2008 Jaguar S-Type, and 2003-2006 Jaguar XK8. It also fits the 2003 Jaguar S-Type with a 4-pin connector and stick coil configuration. This part cross-references NGK 48927 for the same application.

As part of Denso’s Stick Coil line, this ignition coil reflects the brand’s focus on direct ignition coil technology and controlled inspection processes. If you are replacing a failing Jaguar ignition coil, the 673-9331 provides a vehicle-specific solution for the listed models and years.

Common Uses

• Restoring misfire-related ignition performance
• Replacing a worn or failed Jaguar stick coil
• Addressing rough idle caused by weak spark output
• Correcting hard-start or intermittent ignition issues
• Maintaining proper ignition timing and combustion response

Installation Notes and Tips

Verify the connector style and engine application before installation, especially on the 2003 Jaguar S-Type with the 4-pin connector note. Confirm the part number 673-9331 against the original coil and match the vehicle’s stick coil configuration before replacement. Inspect related ignition components, including spark plugs and wiring, when diagnosing coil failure.

Quality Assurance

Denso states that its Stick Coil products are produced with extensive testing and inspection to support consistent ignition coil quality. The 673-9331 is built to meet the requirements of the listed Jaguar applications and is backed by Denso’s manufacturing standards for direct ignition coils.