Denso 671-8078 Spark Plug Wire Set

Reliable Ignition Wire Set for Ford, Lincoln, and Mercury Vehicles

The Denso 8mm Spark Plug Wire Set (Part Number 671-8078) is engineered to provide consistent ignition performance for a range of Ford, Lincoln, and Mercury models. Designed with durable silicone boots and precise terminal configurations, this set ensures optimal spark delivery and engine efficiency.

• Silicone spark plug boot material for heat resistance and durability
• 8.00 mm insulation outside diameter for effective electrical insulation
• 115-degree angled spark plug end boots for improved fitment in tight engine compartments
• Female terminal types on both distributor coil and spark plug ends for secure connections
• Includes eight angled spark plug end boots to match specific engine layouts

About the Denso 8mm Brand Line

The Denso 8mm brand line focuses on ignition wire sets with an 8.00 mm insulation diameter, balancing flexibility and electrical insulation. This line is designed to meet the demands of various ignition systems, providing reliable spark transmission and resistance to heat and wear. The 8mm wires in this set are suitable for multiple Ford, Lincoln, and Mercury vehicles, ensuring compatibility and performance.

Product Details and Specifications

This spark plug wire set features silicone boots that offer excellent resistance to high temperatures and environmental factors, extending the life of the ignition wires. The female terminal types on both the distributor coil end and spark plug end provide secure and stable connections, reducing the risk of misfires. The 115-degree angled spark plug end boots facilitate easier installation and better routing in engine bays with limited space. With an insulation outside diameter of 8.00 mm, these wires provide effective electrical insulation to maintain consistent spark energy.

Compatible Vehicles and Applications

• Ford Bronco, Capri, E-100 Econoline, E-150 Econoline, E-250 Econoline, E-350 Econoline, F-150, F-250, F-350, Mustang, Thunderbird
• Lincoln Continental, Mark VII, Town Car, Grand Marquis, LTD Crown Victoria
• Mercury Cougar, Colony Park, Marquis, Capri

Common Issues Addressed by This Spark Plug Wire Set

• Engine misfires caused by worn or damaged ignition wires
• Reduced engine performance due to poor spark delivery
• Difficulty starting the engine from faulty spark plug connections
• Electrical interference affecting ignition system operation
• Heat-related wire degradation in older ignition wire sets

Installation Notes and Tips

When installing the Denso 671-8078 spark plug wire set, ensure that each wire is routed away from hot engine components and moving parts to prevent premature wear. The 115-degree angled boots should be aligned carefully to fit snugly on the spark plugs. Verify that the female terminals are fully seated on both the distributor coil and spark plug ends to maintain a secure electrical connection. It is recommended to replace all wires in the set simultaneously to ensure balanced ignition performance.

Quality Assurance and Warranty

Denso manufactures this spark plug wire set to meet or exceed OEM specifications for fit, form, and function. The use of high-quality silicone boots and precise terminal construction supports long-term durability. While specific warranty details are not provided here, Denso products typically come with a limited warranty against defects in materials and workmanship. Consult the product packaging or manufacturer for exact warranty terms.