Denso 671-6258 Spark Plug Wire Set

Reliable Spark Plug Wire Set for Buick, Chevrolet, Pontiac, and Saturn

The Denso 7mm Spark Plug Wire Set (Part Number 671-6258) is engineered to provide consistent ignition performance for select Buick, Chevrolet, Pontiac, and Saturn models. Designed 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
• Female distributor coil end terminals for secure connections
• 180-degree spark plug end boot angle for proper fitment
• Includes six straight spark plug end boots for comprehensive coverage

Detailed Features of the Denso 7mm Spark Plug Wire Set

This spark plug wire set features silicone boots that offer excellent resistance to heat, oil, and chemicals, which helps maintain performance under demanding engine conditions. The 7mm insulation diameter balances flexibility and protection, reducing the risk of electrical interference and misfires. Both the distributor coil and spark plug ends use female terminals, ensuring a snug and reliable connection. The 180-degree spark plug end boot design facilitates installation in tight engine compartments, while the set includes six straight boots to accommodate all cylinders in compatible vehicles.

About the Denso 7mm Product Line

The Denso 7mm line focuses on spark plug wires with a 7.00 mm insulation diameter, providing a balance between durability and flexibility. This product line is designed to meet the ignition system requirements of various GM vehicles, including Buick, Chevrolet, Pontiac, and Saturn models. The 7mm wires are engineered to maintain consistent spark delivery and resist environmental factors that can degrade ignition performance over time.

Compatible Vehicles and Common Applications

• Buick Lucerne and Terraza
• Chevrolet Impala, Malibu, Montana, Monte Carlo, Relay, Uplander
• Pontiac G6 and G6
• Saturn Aura and Vue

This wire set is ideal for addressing ignition issues such as misfires, rough idling, poor acceleration, and difficulty starting in these specific models.

Installation Notes and Tips

• Ensure the engine is cool before installation to avoid burns
• Replace spark plug wires one at a time to maintain correct firing order
• Check for secure connections at both the spark plug and distributor coil ends
• Route wires away from hot engine components and moving parts

Quality Assurance and Warranty

Denso manufactures this spark plug wire set to meet OEM specifications, ensuring reliable performance and fitment. While specific warranty details are not provided, Denso products typically come with manufacturer-backed quality assurance to support durability and function.