Denso 671-4015 Spark Plug Wire Set

Reliable Spark Plug Wire Set for Chevrolet, Geo, Pontiac, and Suzuki

The Denso 7mm Spark Plug Wire Set (Part Number 671-4015) is engineered to provide consistent ignition performance for select Chevrolet, Geo, Pontiac, and Suzuki models. Designed with durable materials and precise specifications, this wire set ensures optimal conductivity and fitment for vehicles like the Geo Metro, Suzuki Swift, and Pontiac Sunrunner.

• 7.00 mm insulation outside diameter for effective electrical insulation
• Spark plug boot material constructed from Sil PBT Sil for heat resistance and durability
• Distributor coil end terminal type: Male for secure connection
• Spark plug end boot angled at 135 degrees for improved installation in tight engine bays
• Spark plug end terminal type: Female to match OEM specifications
• Includes 4 angled spark plug end boots for complete replacement needs

About the Denso 7mm Brand Line

The Denso 7mm brand line focuses on spark plug wire sets with a 7mm insulation diameter, balancing flexibility and durability. This line is designed to meet the ignition system requirements of various compact and mid-size vehicles, providing reliable electrical insulation and resistance to heat and wear. The 7mm wires in this set are suitable for the ignition demands of Chevrolet, Geo, Pontiac, and Suzuki models listed in the fitment.

Product Details and Specifications

This spark plug wire set features a Sil PBT Sil boot material that offers enhanced resistance to heat and chemical exposure, ensuring longevity under demanding engine conditions. The 7.00 mm insulation diameter provides effective protection against electrical interference and voltage leaks. The distributor coil end terminal is male, while the spark plug end terminal is female, matching factory configurations for a secure and precise fit. The 135-degree angled spark plug boots facilitate easier routing and installation in confined engine compartments, especially in vehicles like the Suzuki Sidekick and Chevrolet Tracker.

Applications and Common Issues Addressed

• Replacement of worn or damaged spark plug wires causing misfires
• Resolving ignition system voltage leaks and weak spark delivery
• Improving engine starting reliability in Chevrolet Tracker and Geo Metro
• Addressing rough idling or poor acceleration due to faulty ignition wires
• Ensuring proper fitment and connection in Pontiac Sunrunner and Suzuki Swift ignition systems

Installation Notes and Tips

When installing the Denso 671-4015 spark plug wire set, ensure the spark plug end boots are oriented at 135 degrees to match the engine layout. Verify that the male distributor coil terminals are securely connected to prevent loose contacts. It is recommended to replace all wires simultaneously to maintain balanced ignition performance. Handle the wires carefully to avoid damaging the insulation or terminals during installation.

Quality Assurance and Warranty

Denso manufactures this spark plug wire set to meet OEM standards for fit, form, and function. The materials and construction are selected to withstand typical engine heat and chemical exposure. While specific warranty details are not provided, Denso products generally adhere to industry quality controls to ensure reliable performance in compatible Chevrolet, Geo, Pontiac, and Suzuki vehicles.