Denso 671-8064 Spark Plug Wire Set

Reliable Spark Plug Wire Set for Chevrolet and GMC Vehicles

The Denso 7mm Spark Plug Wire Set (Part Number 671-8064) is engineered to provide consistent ignition performance for heavy-duty Chevrolet and GMC models. Designed with durable silicone boots and precise terminal configurations, this set ensures optimal electrical conductivity and resistance to heat and wear.

• Silicone spark plug boot material for enhanced heat resistance
• 7.00 mm insulation outside diameter for reliable electrical insulation
• Female distributor coil end terminals for secure connections
• 90-degree angled female spark plug end boots, quantity of 8
• Compatible with Chevrolet and GMC heavy-duty trucks and vans

Detailed Features and Specifications

This spark plug wire set features silicone boots that withstand high temperatures and resist cracking, ensuring long-lasting durability. The 7mm insulation diameter provides effective protection against electrical interference and arcing. Both the distributor coil end and spark plug end terminals are female type, designed for a secure and precise fit. The spark plug end boots are angled at 90 degrees, facilitating easier installation in tight engine compartments. This set includes eight angled boots, matching the ignition requirements of the specified vehicle models.

About the Denso 7mm Product Line

The Denso 7mm line focuses on ignition wire sets with a 7.00 mm insulation diameter, balancing flexibility and durability for demanding ignition systems. This product line is tailored to meet the specifications of heavy-duty vehicles, providing reliable electrical insulation and resistance to environmental factors. The 7mm wires are engineered to maintain consistent spark delivery, supporting engine performance and efficiency.

Compatible Vehicles and Applications

This spark plug wire set is compatible with the following Chevrolet and GMC models:

• Chevrolet Avalanche 2500
• Chevrolet Express 3500
• GMC Savana 3500
• Chevrolet Sierra 2500 HD and 3500
• Chevrolet Silverado 2500 HD and 3500
• Chevrolet Suburban 2500
• GMC Yukon XL 2500

It is designed to address common ignition system issues such as:

• Misfires caused by worn or damaged spark plug wires
• Electrical interference affecting ignition timing
• Heat-related degradation of ignition components
• Loose or corroded terminal connections
• Difficulty in fitting wires in tight engine spaces

Installation Notes and Tips

When installing the Denso 671-8064 spark plug wire set, ensure that all old wires are removed carefully to avoid damaging ignition components. The 90-degree angled spark plug boots facilitate installation in confined engine areas, but verify that each wire is routed away from hot engine parts and moving components. Confirm that the female terminals are securely connected to both the distributor coil and spark plugs to maintain optimal electrical contact.

Quality Assurance and Warranty

Denso manufactures this spark plug wire set to meet strict quality standards, ensuring reliable performance and durability. The use of silicone boots and precise terminal design contributes to long service life under heavy-duty conditions. Warranty information is available through Denso and authorized distributors, providing coverage against manufacturing defects.