Denso 671-4248 Spark Plug Wire Set

Denso 671-4248 Ignition Wire Set

Denso 671-4248 is a spark plug wire set built to match factory-installed form, fit, color, and performance. It is a 7mm ignition wire set for select Hyundai and Kia applications, including Sonata, Santa Fe, Optima, and Magentis models.

Key Features

• 7mm insulation outside diameter for OE-style ignition wire routing and fitment
• Sil PBT Sil spark plug boot material for durable terminal protection
• 180-degree spark plug end boot for specific engine bay routing needs
• Female spark plug end terminal type with male distributor/coil end terminal
• Built to meet or exceed OE/OES standards for form and performance
• Direct replacement for Denso 671-4248 applications across Hyundai Sonata and Kia Optima platforms

Product Details

This Denso First Time Fit ignition wire set is engineered as an OE-style replacement for vehicles that require a 7mm wire design. The construction is intended to match factory dimensions and connection style, helping maintain proper ignition transfer and secure terminal engagement. For drivers searching for a spark plug wire set for 1999-2005 Hyundai Sonata, 2001-2006 Hyundai Santa Fe, 2001-2005 Kia Magentis, or 2001-2006 Kia Optima, part number 671-4248 provides a direct-fit solution. This part cross-references NGK XX92 and NAPA Mileage Plus 6714248 for the same application.

Common Issues This Part Can Address

• Cracked or heat-damaged ignition wires
• Misfire conditions caused by worn wire insulation
• Hard starting related to weak spark delivery
• Intermittent ignition performance from loose or degraded terminals
• Routing or fitment problems with incorrect replacement wire sets

Installation Notes and Tips

Verify engine application before installation and route each wire to match the original layout. Confirm the female spark plug terminals and male distributor/coil end connections are seated fully, and inspect boots for proper engagement at the plug and coil ends. For best results, replace wires one at a time to preserve firing order on Hyundai Sonata, Hyundai Santa Fe, Kia Optima, and Kia Magentis applications.

Quality Assurance

Denso First Time Fit ignition wire sets are produced to OE-style standards for form, fit, color, and performance. Part number 671-4248 is built to meet or exceed OE/OES requirements for the listed applications.