Denso 671-8104 Spark Plug Wire Set

Reliable Spark Plug Wire Set for Ford and Mercury Vehicles

The Denso 7mm Spark Plug Wire Set (Part Number 671-8104) is designed to deliver consistent ignition performance for select Ford and Mercury models. Engineered with durable silicone boots and precise terminal configurations, this set ensures reliable spark delivery and optimal engine operation.

• Silicone spark plug boot material for heat resistance and durability
• 7.00 mm insulation outside diameter for effective electrical insulation
• 180-degree spark plug end boot angle for proper fitment
• Female spark plug end terminal and male distributor coil end terminal
• Includes 8 straight spark plug end boots for complete wire set

About the Denso 7mm Brand Line

The Denso 7mm brand line focuses on ignition wire sets with a 7.00 mm insulation diameter, providing a balance between flexibility and electrical insulation. This line is engineered to meet the specific requirements of ignition systems in various Ford and Mercury vehicles, including models like Mustang and Thunderbird. The 7mm insulation helps reduce electrical interference while maintaining durability under high-temperature conditions.

Product Details and Specifications

This spark plug wire set features silicone boots that offer excellent resistance to heat and environmental factors, ensuring long-lasting performance. The 180-degree spark plug end boot design allows for proper alignment and secure connection to the spark plugs. The female terminal at the spark plug end and male terminal at the distributor coil end are designed to match factory specifications for a precise fit. With eight straight spark plug end boots included, this set is suitable for vehicles requiring a full ignition wire replacement.

Compatible Vehicles and Applications

• Ford Mustang ignition wire replacement
• Mercury Cougar ignition system maintenance
• Ford Thunderbird spark plug wire upgrade
• Ignition wire set for Ford LTD and Marquis models
• Replacement wires for Mercury Villager and Colony Park

Installation Notes and Tips

When installing the Denso 671-8104 spark plug wire set, ensure the engine is cool to avoid burns. Match each wire to its corresponding spark plug and distributor coil terminal to maintain proper firing order. The 180-degree boot angle facilitates installation in tight engine compartments. Inspect all connections for secure fit and avoid stretching wires during installation to prevent damage.

Quality Assurance and Warranty

Denso manufactures this spark plug wire set to meet OEM standards for fit and function. The use of silicone boots and precise terminal types ensures durability and reliable ignition performance. While specific warranty details are not provided, Denso products typically come with manufacturer-backed quality assurance to support long-term use in compatible Ford and Mercury vehicles.