Denso 671-4189 Spark Plug Wire Set

Reliable Spark Plug Wire Set for Honda Prelude

The Denso 7mm Spark Plug Wire Set (Part Number 671-4189) is designed specifically for Honda Prelude models, ensuring precise fitment and optimal ignition performance. This set features durable materials and carefully engineered terminals to maintain consistent electrical conductivity.

Key Features of the Denso 671-4189 Spark Plug Wire Set

• Spark plug boot material constructed from Sil PBT Sil for enhanced heat resistance and durability
• Distributor coil end terminal type: Male for secure connection
• 7.00 mm insulation outside diameter providing effective electrical insulation
• 90-degree angled spark plug end boots for improved installation in tight engine spaces
• Female spark plug end terminal type ensuring proper fit and connection
• Includes four angled spark plug end boots for complete replacement needs

About the Denso 7mm Brand Line

The Denso 7mm brand line focuses on spark plug wire sets with a 7.00 mm insulation diameter, balancing flexibility and durability. This line is engineered to provide reliable ignition wire performance while fitting specific vehicle applications such as the Honda Prelude. The 7mm insulation helps protect against heat and electrical interference, contributing to consistent engine operation.

Detailed Product Description

This spark plug wire set is tailored for Honda Prelude vehicles, featuring a combination of male distributor coil terminals and female spark plug terminals. The 90-degree angled boots on the spark plug end facilitate easier routing and installation in confined engine compartments. The Sil PBT Sil boot material offers resistance to heat and environmental factors, helping to maintain wire integrity over time. With a 7.00 mm insulation diameter, these wires provide effective protection against electrical leakage and interference, supporting stable ignition performance.

Common Applications and Issues Addressed

• Replacement of worn or damaged spark plug wires in Honda Prelude models
• Resolving misfires caused by faulty or degraded ignition wires
• Improving engine starting reliability and smoothness
• Reducing electrical interference that can affect ignition timing
• Maintaining proper spark delivery for optimal engine performance

Installation Notes and Tips

When installing the Denso 671-4189 spark plug wire set, ensure the correct orientation of the 90-degree angled boots to avoid strain on the wires. Confirm that the male distributor coil terminals and female spark plug terminals are securely connected to prevent loose contacts. It is recommended to replace all wires simultaneously to maintain balanced ignition performance. Handle the wires carefully to avoid damaging the insulation or terminals during installation.

Quality Assurance and Warranty

Denso manufactures this spark plug wire set to meet OEM specifications for Honda Prelude vehicles. The use of high-quality materials such as Sil PBT Sil for the boots and precise terminal construction supports long-term durability. While specific warranty details are not provided, Denso products typically adhere to strict quality control standards to ensure reliable performance.