Denso 671-8077 Spark Plug Wire Set

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

The Denso 8mm Spark Plug Wire Set (Part Number 671-8077) is designed to provide consistent ignition performance for select Ford, Lincoln, 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
• 8.00 mm insulation outside diameter for effective electrical insulation
• Female distributor coil end terminals for secure connections
• 115-degree angled female spark plug end boots for proper fitment
• Includes eight angled spark plug end boots to match vehicle requirements

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 engineered to meet the specific ignition system needs of various Ford, Lincoln, and Mercury vehicles, providing reliable spark transmission and resistance to heat and wear. The 8mm insulation thickness helps maintain signal integrity while fitting tightly within engine compartments.

Product Details and Specifications

This spark plug wire set features silicone boots that offer enhanced heat resistance compared to standard rubber, helping to prevent cracking and degradation over time. The female terminal types on both the distributor coil end and spark plug end ensure secure and corrosion-resistant connections. The 115-degree angled spark plug boots facilitate proper routing and fitment in engine bays of compatible vehicles, reducing strain on wires and connectors.

Compatible Vehicles and Applications

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

• Resolves ignition misfires caused by worn or damaged spark plug wires
• Eliminates poor engine performance due to weak spark delivery
• Prevents electrical interference affecting sensitive vehicle electronics
• Addresses issues with cracked or brittle spark plug boots
• Improves starting reliability in cold or high-heat conditions

Installation Notes and Tips

When installing the Denso 671-8077 spark plug wire set, ensure that each wire is routed according to the vehicle manufacturer’s specifications to avoid contact with hot engine components or moving parts. The 115-degree angled boots should be aligned properly to fit securely on spark plugs. Verify that the female terminals are fully seated on both the distributor coil and spark plugs to maintain optimal electrical connection.

Quality Assurance and Warranty

Denso ignition wire sets are manufactured to meet OEM standards for fit, form, and function. The use of silicone boots and quality terminals contributes to long service life and reliable performance. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship.