Denso 671-8040 Spark Plug Wire Set

Overview of Denso 7mm Spark Plug Wire Set 671-8040

The Denso 7mm Spark Plug Wire Set 671-8040 is designed for reliable ignition performance in Chevrolet and GMC vehicles. This set is engineered to meet the specific needs of models like the Chevrolet Bel Air, Blazer, and Corvette, ensuring consistent spark delivery and engine efficiency.

• Silicone spark plug boot material for heat resistance and durability
• 7.00 mm insulation outside diameter for optimal electrical insulation
• 90-degree angled spark plug end boots for precise fitment
• Male distributor coil end terminals and female spark plug end terminals
• Includes 8 angled spark plug end boots for complete replacement

Detailed Features and Specifications

This spark plug wire set features silicone boots that provide excellent resistance to heat and environmental factors, which is critical for maintaining ignition integrity under demanding conditions. The 7mm insulation diameter balances flexibility and protection, reducing the risk of electrical interference and wire damage. The 90-degree angled spark plug end boots facilitate installation in tight engine compartments, especially in Chevrolet and GMC models such as the C10 Suburban and Monte Carlo. The male distributor coil end terminals and female spark plug end terminals ensure secure connections for consistent spark transmission.

About the Denso 7mm Product Line

The Denso 7mm product line focuses on ignition wire sets with a 7.00 mm insulation diameter, providing a balance of durability and flexibility. This line is tailored for vehicles requiring reliable spark plug wire performance with silicone boots and specific terminal configurations. The 671-8040 part number is part of this line, offering compatibility with a range of Chevrolet and GMC models, ensuring proper fit and function.

Compatible Vehicles and Common Applications

• Chevrolet Bel Air, Blazer, Caprice, Corvette, El Camino, Impala, Monte Carlo, Nova
• GMC C10 Suburban, C20 Suburban, K10 Suburban, K20 Suburban, Jimmy
• Addresses ignition issues such as misfires, poor engine performance, and rough idling
• Replaces worn or damaged spark plug wires to restore engine efficiency
• Helps prevent electrical interference and signal loss in ignition systems

Installation Notes and Tips

When installing the Denso 671-8040 spark plug wire set, ensure the 90-degree angled boots are properly seated on the spark plugs to avoid loose connections. Verify that the male distributor coil end terminals are securely attached to the coil. It is recommended to replace all wires in the set simultaneously to maintain balanced ignition performance. Handle the silicone boots carefully to prevent damage during installation.

Quality Assurance and Warranty

Denso manufactures this spark plug wire set to meet OEM specifications for Chevrolet and GMC vehicles. The use of silicone boots and precise terminal design supports long-term durability and reliable ignition. While specific warranty details are not provided, Denso products typically adhere to strict quality control standards to ensure consistent performance.