Denso 671-6172 Spark Plug Wire Set

Overview of Denso 5mm Spark Plug Wire Set 671-6172

The Denso 5mm Spark Plug Wire Set 671-6172 is designed for reliable ignition performance in Lexus and Toyota vehicles, specifically the Land Cruiser and LX450 models. This set features durable construction and precise fitment to ensure consistent spark delivery and engine efficiency.

• Silicone PBT silicone spark plug boot material for heat resistance
• Male distributor coil end terminal for secure connection
• 5.00 mm insulation outside diameter for optimal electrical insulation
• 105-degree angled female spark plug end boot for tight engine compartments
• Includes six angled spark plug end boots for complete wire set coverage

Detailed Product Features and Specifications

The Denso 5mm spark plug wire set (part number 671-6172) is engineered with a silicone PBT silicone boot material that offers excellent heat resistance and durability under high engine temperatures. The 5.00 mm insulation diameter provides effective protection against electrical interference and ensures consistent spark transmission. The distributor coil end terminal is male type, designed to fit securely with compatible ignition coils. On the spark plug end, the female terminal with a 105-degree angled boot allows for easier installation in tight spaces commonly found in Lexus Land Cruiser and Toyota LX450 engines. This set includes six angled boots, covering all spark plug connections required for these models.

About the Denso 5mm Brand Line

The 5mm brand line from Denso focuses on ignition wire sets with a 5.00 mm insulation diameter, balancing flexibility and durability. This line is tailored to provide reliable electrical insulation and resistance to heat and wear, making it suitable for demanding ignition system applications in vehicles like the Lexus Land Cruiser and Toyota LX450. The 5mm wires are designed to maintain consistent spark delivery while fitting precisely to OEM specifications.

Compatible Vehicles and Common Applications

• Replacement ignition wire set for Lexus Land Cruiser models
• Ignition wire upgrade or repair for Toyota LX450 vehicles
• Solves issues related to misfires caused by worn or damaged spark plug wires
• Addresses poor engine performance due to electrical leakage or weak spark
• Helps reduce ignition system faults linked to heat-damaged boots or terminals

Installation Notes and Tips

When installing the Denso 671-6172 spark plug wire set, ensure the engine is cool to avoid burns. Carefully remove old wires one at a time to maintain firing order. The 105-degree angled female boots facilitate installation in tight engine bays, but verify secure terminal connections at both the spark plug and distributor coil ends. Inspect the distributor coil terminal for compatibility with the male end terminal type. Proper routing of wires away from hot engine components will extend wire life and maintain ignition performance.

Quality Assurance and Warranty

Denso manufactures this spark plug wire set to meet or exceed OEM standards for fit, form, and function. The use of high-quality silicone PBT materials and precise terminal design supports long-term durability and reliable ignition system operation. While specific warranty details are not provided here, Denso products typically come with manufacturer-backed quality assurance to ensure customer confidence in performance and reliability.