NGK 58404 Spark Plug Wire Set

Reliable Ignition Performance for Land Rover Discovery and Range Rover

The NGK Spark Plug Wire Set 58404 is engineered specifically for Land Rover Discovery and Range Rover models, ensuring precise fitment and optimal ignition performance. Designed with durable silicone insulation and advanced noise suppression, this spark plug wire set supports efficient engine operation and reduces electrical interference.

Key Features of NGK Spark Plug Wire Set 58404

• Insulation Color: Blue for easy identification and durability
• High-quality silicone insulation material for heat resistance and flexibility
• Noise suppression technology to minimize electromagnetic interference
• Smag core material for consistent electrical conductivity
• Specific fitment designed for Land Rover Discovery and Range Rover vehicles
• Insulation outside diameter of 7.00 mm for reliable protection
• Part Number Rc-eux068 and Stock Number 58404 for accurate replacement

About the NGK Spark Plug Wire Set Product Line

The NGK Spark Plug Wire Set line focuses on delivering ignition wire solutions that combine durability and performance. This product line uses premium materials such as silicone insulation and Smag core technology to ensure stable electrical transmission and resistance to heat and wear. The 58404 set is part of this line, tailored to meet the specific requirements of Land Rover Discovery and Range Rover models, providing a direct replacement that maintains factory specifications.

Detailed Product Description

This NGK Spark Plug Wire Set 58404 features a silicone insulation that withstands high temperatures and mechanical stress, making it suitable for demanding engine environments. The blue insulation color aids in quick identification during maintenance. The Smag core material ensures consistent electrical conductivity, which is critical for reliable spark delivery. Noise suppression is integrated to reduce radio frequency interference, protecting sensitive electronic components in your Land Rover Discovery or Range Rover. The specific fitment guarantees compatibility and ease of installation without modification.

Common Applications and Issues Addressed

• Replacement of worn or damaged spark plug wires in Land Rover Discovery and Range Rover
• Reduction of engine misfires caused by faulty ignition wires
• Elimination of radio frequency interference affecting vehicle electronics
• Improvement of ignition system reliability and engine performance
• Prevention of electrical shorts due to degraded insulation

Installation Notes and Tips

When installing the NGK Spark Plug Wire Set 58404, ensure the engine is cool to avoid burns. Replace wires one at a time to maintain correct firing order. Verify that each wire is securely connected to both the spark plug and ignition coil terminals. Inspect connectors for corrosion or damage before installation. Proper routing of wires away from hot engine components will extend wire life and maintain performance.

Quality Assurance and Warranty

NGK maintains strict quality control standards for the Spark Plug Wire Set 58404, ensuring consistent performance and durability. This product is manufactured to meet OEM specifications for Land Rover Discovery and Range Rover models. While specific warranty details are not provided here, NGK products typically come with manufacturer-backed warranties covering defects in materials and workmanship.