Denso 671-4164 Spark Plug Wire Set

Overview of Denso 5mm Spark Plug Wire Set for Toyota MR2

The Denso 5mm Spark Plug Wire Set (Part Number 671-4164) is designed specifically for Toyota MR2 models, ensuring reliable ignition performance. This set features durable materials and precise terminal configurations to maintain optimal engine function.

• Spark plug boot material: Sil PBT Sil for enhanced durability
• Distributor coil end terminal type: Male
• Insulation outside diameter: 5.00 mm
• Spark plug end boot angle: 105 degrees
• Spark plug end terminal type: Female
• Includes 4 angled spark plug end boots

Detailed Product Features and Specifications

The Denso 5mm spark plug wire set is engineered with a 5.00 mm insulation diameter, providing effective resistance to heat and electrical interference. The spark plug boots are made from Sil PBT Sil material, which offers a balance of flexibility and durability under high-temperature conditions. The set includes four angled spark plug end boots at a 105-degree angle, designed to fit the tight engine compartments of the Toyota MR2. The distributor coil end terminals are male type, while the spark plug end terminals are female, ensuring secure and proper connections for consistent ignition performance.

About the Denso 5mm Brand Line

The 5mm brand line from Denso focuses on ignition wire sets with a 5.00 mm insulation diameter, providing a balance between durability and flexibility. This line is tailored for vehicles requiring precise fitment and reliable electrical insulation, such as the Toyota MR2. The 5mm wires are designed to maintain consistent spark delivery while withstanding the thermal and mechanical stresses typical in automotive ignition systems.

Common Applications and Problem Solving

• Replacement for worn or damaged spark plug wires on Toyota MR2
• Resolving misfires caused by faulty ignition wire connections
• Improving engine starting reliability and smoothness
• Reducing electrical interference affecting ignition timing
• Maintaining optimal spark delivery under high engine temperatures

Installation Notes and Tips

When installing the Denso 671-4164 spark plug wire set, ensure the correct orientation of the 105-degree angled spark plug boots for proper fitment in the Toyota MR2 engine bay. Verify that the male distributor coil end terminals and female spark plug end terminals are securely connected to prevent misfires. It is recommended to replace all wires simultaneously to maintain balanced ignition performance.

Quality Assurance and Warranty

Denso manufactures this spark plug wire set to meet OEM specifications for the Toyota MR2. The materials and construction are tested for durability and electrical performance. While specific warranty details are not provided here, Denso products typically come with manufacturer-backed quality assurance to support reliable operation.