Denso 671-8118 Spark Plug Wire Set

Denso 671-8118 Ignition Wire Set

Denso 671-8118 is a spark plug wire set built to match factory-installed wire sets in form, fit, color, and performance. It is a direct replacement for select Chrysler and Dodge applications, including classic Dodge Dart, Dodge Charger, and Chrysler Newport models.

The Denso 7mm line focuses on OE-style ignition wire construction for dependable spark delivery and consistent routing. If you are replacing aging ignition wires on a 1970s Chrysler Newport or a 1975-1978 Dodge Ramcharger, this set is built around the original application requirements.

Key Features

• 7mm ignition wire set for OE-style replacement
• Silicone spark plug boot material for heat resistance and flexibility
• 180-degree spark plug end boot for routing in tight engine bays
• Female spark plug end terminal type
• Male distributor/coil end terminal type
• Built to meet or exceed OE/OES standards
• Direct-fit coverage for select Chrysler and Dodge vehicles

Product Details

Denso First Time Fit ignition wire sets are engineered to mirror the original wire set layout and performance characteristics used by the vehicle manufacturer. The 7mm insulation outside diameter supports a factory-style fit, while the silicone boot construction helps maintain secure connections at the spark plug and distributor or coil ends. This makes Denso 671-8118 a practical choice for restoring ignition performance on older Chrysler and Dodge platforms.

This part cross-references NAPA Mileage Plus 6718118 and Bosch 09607 for the same application. It is listed for vehicles such as 1964-1966 Dodge Dart, 1970-1972 Dodge Dart, 1975-1978 Dodge Charger, and 1974-1978 Dodge Ramcharger, with notes for certain high-performance or electronic ignition configurations.

Common Issues This Part Can Address

• Misfires caused by worn or cracked ignition wires
• Hard starting from weak spark transfer
• Rough idle from deteriorated wire insulation
• Crossfire or spark leakage in aging ignition systems
• Poor routing or loose terminal fit on original-style wire sets

Installation Notes and Tips

Verify engine configuration and ignition type before ordering, especially on 1970s Dodge and Chrysler applications with high-performance or electronic ignition notes. Match each wire to the original routing path to avoid heat exposure and interference with moving components. Confirm terminal style at the spark plug and distributor or coil ends before installation.

Compatible With select Chrysler and Dodge applications, including 1964-1966 Dodge Dart, 1970-1972 Dodge Dart, 1975-1978 Dodge Charger, 1974-1978 Dodge Ramcharger, and 1977-1978 Chrysler New Yorker. Additional fitment includes 1978 Chrysler LeBaron, 1978 Chrysler Town & Country, and 1975-1978 Dodge B-series and D-series trucks.

Quality Assurance

Denso states that this First Time Fit ignition wire set is built to OE/OES standards for form, fit, color, and performance. The part number 671-8118 is designed as an OE-style replacement for the listed applications.