HomeIgnition > Ignition Wire and Related ComponentsDenso 671-8108 Spark Plug Wire Set
Part #: 671-8108

Denso 671-8108 Spark Plug Wire Set

8mm
⚙️ 8 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦8mm
🚗Fitment: Ford, Laforza, and Mercury, Explorer, Laforza, and Mountaineer
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Overview of Denso 8mm Spark Plug Wire Set 671-8108

The Denso 8mm Spark Plug Wire Set 671-8108 is designed for reliable ignition performance in Ford Explorer and Mercury Mountaineer vehicles. This set features silicone spark plug boots and a precise 8.00 mm insulation diameter to ensure consistent electrical conductivity and durability.

  • Silicone spark plug boot material for heat resistance and flexibility
  • 8.00 mm insulation outside diameter for optimal electrical insulation
  • 90-degree angled spark plug end boots, quantity of 8
  • Male distributor coil end terminals and female spark plug end terminals
  • Compatible with Ford Explorer and Mercury Mountaineer models

Detailed Product Features and Specifications

The Denso 8mm spark plug wire set (part number 671-8108) is engineered with silicone boots that provide excellent resistance to heat and environmental factors, which is critical for maintaining ignition system integrity. The 8.00 mm insulation diameter balances flexibility and protection against electrical interference. The spark plug end boots are angled at 90 degrees, facilitating easier installation in tight engine compartments. The set includes eight angled boots, matching the typical cylinder count for the specified vehicle models. The distributor coil end terminals are male type, while the spark plug end terminals are female, ensuring proper connection and fitment.

About the Denso 8mm Brand Line

The Denso 8mm brand line focuses on ignition wire sets with an 8.00 mm insulation diameter, providing a balance between durability and performance. This line is designed to meet the specific electrical and mechanical requirements of various vehicle models, including the Ford Explorer and Mercury Mountaineer. The 8mm wires offer reliable spark delivery and resistance to heat and abrasion, making them suitable for demanding ignition system applications.

Applications and Common Issues Addressed

  • Restores proper ignition spark delivery in Ford Explorer and Mercury Mountaineer
  • Eliminates misfires caused by worn or damaged spark plug wires
  • Reduces electrical interference affecting engine performance
  • Prevents ignition system failures due to cracked or brittle boots
  • Improves engine starting reliability and smoothness

Installation Notes and Tips

  • Ensure the engine is cool before removing old spark plug wires
  • Replace wires one at a time to maintain correct firing order
  • Verify the 90-degree angled boots align properly with spark plugs
  • Check that male distributor coil terminals and female spark plug terminals are securely connected
  • Inspect boots for proper seating to prevent moisture intrusion

Quality Assurance and Warranty

Denso spark plug wire sets, including the 671-8108, are manufactured to meet OEM specifications for fit and function. The use of silicone boots and quality insulation materials ensures durability under typical operating conditions. While specific warranty details may vary, Denso products generally come with a limited warranty against defects in materials and workmanship, providing confidence in product reliability.

BrandDenso
Part Number671-8108
Position8mm
Bushing Material8
Distributor Coil End Terminal TypeMale
Insulation Outside Diameter8.00
Spark Plug Boot MaterialSilicone
Spark Plug End Boot Degree90
Spark Plug End Terminal TypeFEMALE

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
2001FordExplorerN/A8mm
2001MercuryMountaineerN/A8mm
2000FordExplorerN/ACast Iron Exhaust Manifold; 8mm
2000MercuryMountaineerN/ACast Iron Exhaust Manifold; 8mm
1999FordExplorerN/ACast Iron Exhaust Manifold; 8mm
1999MercuryMountaineerN/ACast Iron Exhaust Manifold; 8mm
1998FordExplorerN/ACast Iron Exhaust Manifold; 8mm
1998MercuryMountaineerN/ACast Iron Exhaust Manifold; 8mm

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

16-828H

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.