Denso 671-6289 Spark Plug Wire Set

Denso 671-6289 Spark Plug Wire Set

Denso 671-6289 is a spark plug wire set built to match factory-installed wire sets in form, fit, color, and performance. It is a direct OE-style ignition wire replacement for the 2003-2006 Kia Sorento and uses a 7mm wire design for consistent ignition routing.

Denso’s 7mm product line focuses on OE-style replacement parts that follow original equipment dimensions and terminal layouts. For buyers searching for a 2003 Kia Sorento spark plug wire set, 2004-2006 Kia Sorento ignition wire replacement, or Denso 671-6289 wire set for Kia Sorento, this part matches the application listed below.

Key Features

• Direct replacement spark plug wire set for the 2003-2006 Kia Sorento
• 7mm insulation outside diameter
• Sil PBT Sil spark plug boot material
• 105-degree spark plug end boot angle
• Female spark plug end terminal type
• Male distributor or coil end terminal type
• Built to meet or exceed OE/OES standards

Detailed Description

The Denso 671-6289 ignition wire set is engineered for the Kia Sorento from 2003 through 2006 and follows the original factory configuration for fit and routing. Its 7mm construction, angled boot design, and OE-style terminal types support proper connection at the spark plug and distributor or coil end. This makes it a practical replacement when restoring ignition performance on a 2003-2006 Kia Sorento.

This part cross-references NGK KRX012 and NAPA Mileage Plus 6716289 for the same application.

What This Part Helps Address

• Misfires caused by worn or damaged ignition wires
• Hard starting related to weak spark delivery
• Rough idle from deteriorated wire insulation or terminals
• Intermittent ignition connection at the spark plug end
• Routing issues when replacing an aging Kia Sorento wire set

Installation Notes and Tips

Verify the wire routing against the original layout before removal, and transfer one wire at a time to maintain cylinder order. Confirm the 105-degree boot orientation and terminal style match the vehicle connection points on the 2003-2006 Kia Sorento. Inspect spark plugs, coil, and distributor connections for wear before installing the new wire set.

Quality Assurance

Denso First Time Fit ignition wire sets are built to OE/OES standards for form, fit, color, and performance. Part number 671-6289 is manufactured as an OE-style replacement for the listed Kia Sorento applications.