Denso 671-4138 Spark Plug Wire Set

Overview of Denso 7mm Spark Plug Wire Set 671-4138

The Denso 7mm Spark Plug Wire Set 671-4138 is designed specifically for Toyota 4Runner and Pickup models. This ignition wire set ensures reliable electrical conductivity and durability with its silicone spark plug boot material and precise terminal configurations.

• Silicone spark plug boot material for heat resistance and flexibility
• 7.00 mm insulation outside diameter for optimal electrical insulation
• 180-degree spark plug end boot angle for proper fitment
• Female spark plug end terminal and male distributor coil end terminal
• Includes four straight spark plug end boots

Detailed Product Features and Specifications

The Denso 7mm line is engineered to meet the specific ignition requirements of Toyota 4Runner and Pickup vehicles. The 7.00 mm insulation diameter provides effective protection against electrical interference and heat, while the silicone spark plug boots offer enhanced durability under high-temperature conditions. The spark plug end boots are designed at a 180-degree angle, allowing for a secure and precise connection to the spark plugs. The set includes four straight spark plug end boots with female terminals, paired with male terminals at the distributor coil end, ensuring compatibility with the ignition system of the specified Toyota models.

Applications and Common Issues Addressed

• Replacement for worn or damaged spark plug wires in Toyota 4Runner and Pickup
• Resolves misfires caused by poor electrical conductivity
• Prevents ignition system shorts due to degraded insulation
• Improves engine performance by maintaining consistent spark delivery
• Addresses issues related to heat damage in ignition wires

Installation Notes and Tips

When installing the Denso 7mm Spark Plug Wire Set 671-4138, ensure the spark plug end boots are properly seated at a 180-degree angle for optimal connection. Verify that the male distributor coil end terminals are securely attached to the coil. It is recommended to replace all wires simultaneously to maintain balanced ignition performance. Handle the silicone boots carefully to avoid damage during installation.

Quality Assurance and Warranty

Denso manufactures this spark plug wire set to meet OEM standards for Toyota vehicles, ensuring reliable performance and durability. The silicone boot material and precise terminal design contribute to long service life. Warranty information is provided by Denso and may vary; please consult the manufacturer or authorized distributor for specific warranty details related to part number 671-4138.