Denso 671-4008 Spark Plug Wire Set

Reliable Spark Plug Wire Set for Mazda, Nissan, and Subaru Vehicles

The Denso 7mm Spark Plug Wire Set 671-4008 is designed to provide consistent ignition performance for select Mazda, Nissan, and Subaru models. Engineered with durable silicone boots and precise terminal configurations, this set ensures reliable spark delivery and optimal engine operation.

• Silicone spark plug boot material for heat resistance and durability
• 7.00 mm insulation outside diameter for effective 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 Features and Specifications

This Denso spark plug wire set features silicone boots that withstand high temperatures and resist cracking, ensuring long-lasting performance. The 7mm insulation diameter provides robust protection against electrical interference and arcing. The spark plug end boots are angled at 180 degrees, allowing for a secure and precise connection to the spark plugs. The female terminal at the spark plug end and male terminal at the distributor coil end are designed to match factory specifications for a proper fit. This set includes four straight spark plug end boots, suitable for vehicles requiring this configuration.

About the Denso 7mm Brand Line

The Denso 7mm brand line focuses on ignition wire sets with a 7.00 mm insulation diameter, balancing flexibility and durability. This line is engineered to meet OEM standards for ignition components, providing reliable electrical insulation and consistent spark delivery. The 7mm wires are suitable for various applications, including the Mazda 310 and 626, Nissan B2000, B2200, MX-6, and Subaru Standard models covered by part number 671-4008.

Compatible Vehicles and Common Applications

• Mazda 310 and 626 models requiring 7mm spark plug wires
• Nissan B2000, B2200, and MX-6 ignition wire replacement
• Subaru Standard models with matching ignition wire specifications
• Replacement for worn or damaged spark plug wires causing misfires
• Addressing ignition issues such as rough idling, poor acceleration, or engine hesitation

Installation Notes and Tips

When installing the Denso 671-4008 spark plug wire set, ensure the correct orientation of the 180-degree spark plug end boots for a secure fit. Verify that the male distributor coil end terminals align properly with the coil posts. It is recommended to replace all wires in the set 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 or exceed OEM specifications, ensuring reliable ignition system performance. The use of high-quality silicone and precise terminal design supports durability and consistent operation. Warranty details are provided by Denso and may vary; please refer to the manufacturer’s documentation for specific coverage information.