Denso 671-4169 Spark Plug Wire Set

Reliable Spark Plug Wire Set for Chevrolet and Toyota Vehicles

The Denso 5mm Spark Plug Wire Set (Part Number 671-4169) is engineered to provide consistent ignition performance for Chevrolet and Toyota models, including the Corolla and Prizm. Designed with durable materials and precise specifications, this set ensures optimal electrical conductivity and engine efficiency.

• Spark plug boot material: Sil PBT Sil for enhanced heat resistance
• Distributor coil end terminal type: Male for secure connection
• Insulation outside diameter: 5.00 mm for effective electrical insulation
• Spark plug end boot degree: 105° angled boots for improved fitment
• Spark plug end terminal type: Female for reliable spark plug connection
• Includes 4 angled spark plug end boots for proper alignment

About the Denso 5mm Brand Line

The Denso 5mm brand line focuses on ignition wire sets with a 5.00 mm insulation diameter, balancing flexibility and durability. This line is designed to meet the specific ignition system requirements of various vehicle makes and models, including Chevrolet and Toyota. The 5mm insulation provides effective protection against heat and electrical interference, contributing to stable engine performance.

Detailed Product Description

This spark plug wire set features Sil PBT Sil boot material, which offers resistance to high temperatures and chemical exposure commonly found in engine compartments. The male distributor coil end terminals ensure a secure and stable connection to the ignition coil, while the female spark plug end terminals provide a precise fit on the spark plugs. The 105° angled spark plug end boots improve routing and reduce stress on the wires, helping to maintain long-term reliability. With an insulation diameter of 5.00 mm, these wires provide adequate protection against electrical leakage and interference.

Common Applications and Issues Addressed

• Replacement for worn or damaged spark plug wires in Chevrolet Corolla and Toyota Prizm
• Resolves misfires caused by poor electrical conductivity or damaged insulation
• Eliminates rough idling and engine hesitation related to faulty ignition wires
• Prevents voltage leaks that can reduce engine performance and fuel efficiency
• Improves ignition system reliability in vehicles with 5mm wire requirements

Installation Notes and Tips

• Ensure the engine is cool before removing old spark plug wires
• Replace wires one at a time to avoid mixing connections
• Verify the 105° angled boots align properly with spark plugs for secure fit
• Check distributor coil end terminals for proper male connection
• Route wires away from hot engine components and moving parts

Quality Assurance and Warranty

Denso manufactures this spark plug wire set to meet OEM standards for fit, form, and function. The use of high-quality Sil PBT Sil materials and precise terminal designs supports consistent ignition performance. While specific warranty details are not provided, Denso products typically come with manufacturer-backed quality assurance to ensure reliability and durability in compatible Chevrolet and Toyota vehicles.