Denso 671-4256 Spark Plug Wire Set

Overview of Denso 5mm Spark Plug Wire Set for Mazda Protege

The Denso 5mm Spark Plug Wire Set (Part Number 671-4256) is designed specifically for Mazda Protege models, providing reliable ignition performance. This set features durable materials and precise terminal configurations to ensure 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: 180° for flexible routing
• Spark plug end terminal type: Female for proper fitment
• Includes 2 straight spark plug end boots

Detailed Product Features and Specifications

The Denso 5mm spark plug wire set is engineered with Sil PBT Sil boot material, which offers excellent resistance to heat and wear, critical for maintaining ignition integrity under demanding engine conditions. The 5.00 mm insulation diameter provides sufficient protection against electrical interference and environmental factors. The 180-degree spark plug end boot design allows for versatile installation in tight engine compartments, while the male distributor coil end terminal and female spark plug end terminal ensure a secure and precise connection. This set includes two straight spark plug end boots, matching the specific requirements of the Mazda Protege ignition system.

About the Denso 5mm Product Line

The Denso 5mm product line focuses on ignition wire sets with a 5.00 mm insulation diameter, balancing durability and flexibility. This line is tailored to meet the ignition demands of various vehicle models, including the Mazda Protege, by providing components that maintain consistent electrical performance and resist environmental degradation.

Common Applications and Problem Resolution

• Restores proper ignition spark delivery in Mazda Protege vehicles
• Eliminates misfires caused by worn or damaged spark plug wires
• Prevents electrical shorts and interference due to degraded insulation
• Improves engine starting reliability and smoothness
• Reduces risk of ignition coil damage from poor connections

Installation Notes and Tips

When installing the Denso 671-4256 spark plug wire set on a Mazda Protege, ensure that the 180-degree spark plug end boots are properly aligned to avoid stress on the wires. Confirm that the male distributor coil end terminals are securely connected to the coil to maintain optimal electrical contact. It is recommended to replace spark plug wires in sets to ensure balanced ignition performance across all cylinders.

Quality Assurance and Warranty

Denso manufactures the 671-4256 spark plug wire set to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details may vary, Denso products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.