Denso 671-4266 Spark Plug Wire Set

Denso 5mm Spark Plug Wire Set for OE Fit

Denso First Time Fit ignition wire sets are built to match the form, fit, color, and performance of the original factory wire set. This Denso 5mm spark plug wire set, part number 671-4266, is made for direct replacement service on select Mitsubishi, Chrysler, and Dodge applications.

• 5mm insulation outside diameter for OE-style routing and fit
• Sil PBT Sil spark plug boot material for durable terminal protection
• 180-degree spark plug end boot design
• Female spark plug end terminal type
• Male distributor/coil end terminal type
• Built to meet or exceed OE/OES standards

First Time Fit Product Line

The Denso First Time Fit line is focused on direct replacement ignition components that mirror original equipment specifications. For vehicles such as the Mitsubishi Eclipse, Galant, Lancer, Mirage, and Outlander, as well as Chrysler Sebring and Dodge Stratus applications, this approach helps maintain the original wire layout and connection style. Part number 671-4266 is also referenced by NAPA Mileage Plus 6714266 for the same application.

Fitment Details

• Fits 2002-2007 Mitsubishi Lancer, N/A, 5mm
• Fits 2001-2005 Chrysler Sebring, N/A, 5mm
• Fits 2001-2005 Dodge Stratus, N/A, 5mm
• Fits 2000-2005 Mitsubishi Eclipse, N/A, 5mm
• Fits 1999-2004 Mitsubishi Galant, N/A, 5mm
• Fits 2003-2004 Mitsubishi Outlander, N/A, 5mm
• Fits 1997-2002 Mitsubishi Mirage, N/A, 5mm

Common Replacement Reasons

• Misfire or rough idle caused by worn ignition wires
• Hard starting from weakened spark delivery
• Intermittent ignition performance from cracked or aged wire insulation
• Loss of engine smoothness under load
• Corrosion or poor terminal contact at the spark plug or coil end

Installation Notes and Tips

Match each wire to the original routing before removal to preserve firing order and separation from heat sources. Confirm the 180-degree spark plug boot orientation and the female spark plug terminal type during installation. Verify vehicle application by year, make, and model before ordering, especially for Mitsubishi Eclipse, Galant, and Lancer fitments.

Quality Assurance

Denso First Time Fit ignition wire sets are manufactured to OE-style standards and are intended to replicate factory-installed fit and performance characteristics. Part number 671-4266 is produced to meet or exceed OE/OES requirements for the listed applications.