Denso 671-8172 Direct Ignition Coil Boot Kit

Reliable Ignition Coil Boot Kit for Ford, Lincoln, and Mercury Vehicles

The Denso 8 Boots Direct Ignition Coil Boot Kit (Part Number 671-8172) is designed to provide a secure and durable connection for ignition coils in select Ford, Lincoln, and Mercury models. Engineered with silicone boots and a precise 116mm length, this kit ensures consistent performance and reliable ignition system operation.

• Direct Ignition Coil Boot Kit with 8 boots included
• Constructed from high-quality silicone for heat and wear resistance
• Boot length of 116.00 mm for accurate fitment
• Single terminal per boot with male and female terminal genders
• Brown boot color for easy identification and OEM compatibility

About the Denso 8 Boots Product Line

The Denso 8 Boots product line focuses on ignition coil boot kits designed to meet the specific requirements of various vehicle ignition systems. This line emphasizes durable silicone boot material and precise terminal configurations to maintain optimal electrical connectivity and withstand harsh engine conditions. The 8 Boots kit provides a complete set for vehicles requiring multiple ignition coil boots, such as the Ford F-150 and Lincoln Navigator.

Product Details and Vehicle Compatibility

This ignition coil boot kit is compatible with a range of Ford, Lincoln, and Mercury vehicles, including the Ford Expedition, Explorer, Explorer Sport Trac, F-150, F-250 Super Duty, F-350 Super Duty, Mark LT, Mountaineer, Mustang, and Lincoln Navigator. The 116mm boot length and silicone construction ensure a proper seal and electrical insulation, critical for maintaining ignition system integrity. The kit features one terminal per boot with both male and female terminal genders to match factory specifications.

Common Applications and Issues Addressed

• Replacement of worn or cracked ignition coil boots causing misfires
• Restoring proper electrical connection in ignition coils for Ford F-150 and Lincoln Navigator
• Preventing moisture intrusion and corrosion in ignition system components
• Eliminating engine performance issues related to faulty ignition coil boots
• Maintaining consistent spark delivery in heavy-duty vehicles like F-250 and F-350 Super Duty

Installation Notes and Tips

Ensure the ignition system is cool before installation to avoid damage. Carefully remove old boots without damaging ignition coils or terminals. Verify the terminal gender matches the vehicle’s ignition coil connections. Apply dielectric grease inside the boots to improve electrical conductivity and prevent moisture buildup. Confirm the 116mm length fits the specific vehicle model to maintain proper coil-to-spark plug connection.

Quality Assurance and Warranty

Denso ignition coil boot kits are manufactured to meet OEM standards for durability and performance. The silicone boot material offers resistance to heat, oil, and environmental contaminants. While specific warranty details for part number 671-8172 should be confirmed with the supplier, Denso products typically come with a limited warranty covering defects in materials and workmanship.