Denso 671-8161 Spark Plug Wire Set

Reliable Ignition Wire Set for Select GM and Isuzu Vehicles

The Denso 7mm Spark Plug Wire Set (Part Number 671-8161) is engineered to provide consistent ignition performance for a range of vehicles including Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, and Saab models. Designed with durable silicone boots and precise terminal configurations, this set ensures optimal spark delivery and engine efficiency.

Key Features of the Denso 7mm Spark Plug Wire Set

• Silicone spark plug boot material for enhanced heat resistance and durability
• 7.00 mm insulation outside diameter for effective electrical insulation
• Female distributor coil end terminals for secure connection
• 90-degree angled female spark plug end boots, quantity of 8 angled boots included
• Compatible with multiple GM and Isuzu models such as Chevrolet Silverado 1500, Cadillac Escalade, and Buick LaCrosse

Detailed Description of the 7mm Spark Plug Wire Set

The Denso 7mm Spark Plug Wire Set is part of Denso's 7mm product line, which focuses on delivering reliable ignition wire solutions with a 7.00 mm insulation diameter. This thickness balances flexibility and electrical insulation to reduce interference and maintain spark integrity. The silicone boot material offers resistance to high temperatures and environmental factors, extending the lifespan of the wires. The female terminal design on both the distributor coil and spark plug ends ensures a secure and stable connection, while the 90-degree angled spark plug boots facilitate installation in tight engine compartments. This set includes eight angled boots, making it suitable for V8 engine configurations found in vehicles like the Chevrolet Corvette and GMC Sierra 1500.

Applications and Common Issues Addressed

• Replacement for worn or damaged spark plug wires causing misfires or rough idling
• Improves ignition system reliability in Buick LaCrosse and Cadillac CTS models
• Resolves electrical interference issues affecting engine performance
• Prevents spark energy loss in Chevrolet Avalanche and GMC Yukon vehicles
• Suitable for restoring ignition wire integrity in Isuzu Ascender and Pontiac G8

Installation Notes and Tips

• Ensure engine is cool before removing old spark plug wires to avoid damage
• Replace wires one at a time to maintain correct firing order
• Verify secure connection of female terminals on both distributor coil and spark plug ends
• Route wires away from hot engine components and moving parts
• Use dielectric grease on boots to improve seal and ease future removal

Quality Assurance and Warranty Information

Denso manufactures the 7mm Spark Plug Wire Set to meet or exceed OEM specifications for ignition wire performance and durability. The use of high-quality silicone boots and precise terminal construction supports long-term reliability. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product packaging or Denso's official documentation for exact warranty terms.