Denso 671-8114 Spark Plug Wire Set

Denso 7mm Spark Plug Wire Set for Dodge V8 Applications

Denso First Time Fit ignition wire sets are built to match the original wire set in form, fit, color, and performance. This Denso 7mm spark plug wire set, part number 671-8114, is a direct OE-style replacement for select Dodge Dakota, Ram, and full-size truck applications that use heat shields and a straight coil nipple.

Key Features

• 7mm insulation outside diameter for OE-style ignition wire routing
• Silicone spark plug boot material for heat resistance and durability
• Female spark plug end terminal type
• 180-degree spark plug end boot design for tight engine bay routing
• Female distributor/coil end terminal type
• Built to meet or exceed OE/OES construction standards
• First Time Fit design for factory-style form and performance

Product Line Details

Denso First Time Fit ignition wire sets are engineered as factory-style replacements for vehicles that need original-equipment fit and terminal configuration. The 7mm wire design supports clean routing and consistent ignition transfer, while the silicone boot construction helps maintain connection integrity in high-heat engine compartments.

Detailed Description

Part number 671-8114 is a Denso spark plug wire set for select 1992-1999 Dodge trucks and SUVs, including Dodge Dakota, Ram 1500, Ram 2500, Ram 3500, B1500, B2500, B3500, B150, B250, B350, D150, D250, D350, Ramcharger, W150, W250, and W350 applications. It is specified for vehicles with heat shields measuring 2.48 inches long and a straight coil nipple, using a 7mm wire configuration. This part cross-references ACDelco 16-808H and Autolite 96634 for the same application.

Common Issues This Part Can Address

• Cracked or heat-damaged spark plug wire insulation
• Misfire caused by worn terminals or poor wire connection
• Hard starting related to weak ignition transfer
• Rough idle from deteriorated ignition leads
• Intermittent engine performance from aging OE wire sets

Installation Notes and Tips

Verify engine configuration, heat shield length, and coil nipple style before installation. Route each lead to match the original layout and keep the wires separated from exhaust heat and sharp edges. Confirm that the female terminals seat fully at both the spark plug and coil/distributor ends for a secure connection. For fitment searches, this part fits 1992-1999 Dodge Dakota, 1994-1999 Dodge Ram 1500, and 1992-1993 Dodge W150 applications with the listed configuration.

Quality Assurance

Denso states that First Time Fit ignition wire sets are manufactured to OE/OES standards for form, fit, color, and performance. The part number 671-8114 is built as an OE-style replacement for the listed Dodge applications.