Denso 671-8173 Spark Plug Wire Set

Reliable Ignition Wire Set for Ford F-Series Trucks

The Denso 8mm Spark Plug Wire Set (Part Number 671-8173) is designed to deliver consistent ignition performance for Ford F-150, F-250 Super Duty, and F-350 Super Duty models. Engineered with durable silicone boots and precise terminal configurations, this set ensures reliable spark delivery under demanding conditions.

Key Features of the Denso 671-8173 Spark Plug Wire Set

• Silicone spark plug boot material for enhanced heat resistance and durability
• 8.00 mm insulation outside diameter for optimal electrical insulation
• 180-degree spark plug end boot angle to fit tight engine compartments
• Female spark plug end terminal type and male distributor coil end terminal type for secure connections
• Includes 8 straight spark plug end boots for complete wire set coverage

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 tailored for vehicles requiring robust spark plug wires that maintain performance in high-temperature environments. The 671-8173 part benefits from this design, providing reliable ignition wire performance for Ford trucks.

Detailed Product Description

This spark plug wire set features silicone boots that resist heat and chemical exposure, extending the life of the ignition wires. The 180-degree spark plug end boot angle allows for easier routing in engine bays with limited space, while the male distributor coil end terminal and female spark plug end terminal ensure proper fitment and secure electrical contact. The 8.00 mm insulation diameter offers effective protection against electrical interference and arcing, critical for maintaining engine efficiency and smooth operation.

Common Applications and Issues Addressed

• Replacement for worn or damaged spark plug wires in Ford F-150, F-250 Super Duty, and F-350 Super Duty
• Resolves misfires caused by poor spark plug wire insulation or faulty connections
• Improves ignition reliability in high-heat engine environments
• Addresses rough idling and engine hesitation related to ignition wire failure
• Prevents electrical interference affecting engine performance

Installation Notes and Tips

• Ensure engine is cool before installation to avoid burns
• Replace spark plug wires one at a time to maintain correct firing order
• Check for secure connections at both spark plug and distributor coil ends
• Route wires away from hot engine components and moving parts
• Verify proper boot seating to prevent moisture intrusion

Quality Assurance and Warranty

Denso manufactures this spark plug wire set to meet OEM specifications for Ford trucks. The use of silicone boots and precise terminal types supports long-term durability and consistent performance. While specific warranty details are not provided, Denso products typically adhere to industry standards for quality and reliability.