Denso 671-4189 Spark Plug Wire Set

Denso 671-4189 Ignition Wire Set

Denso 671-4189 is a 7mm spark plug wire set built to match factory-installed wire sets in form, fit, color, and performance. It is a direct replacement for 1993-2001 Honda Prelude applications and is built to OE/OES standards for consistent ignition performance.

Key Features

• 7mm insulation outside diameter for OE-style routing and fit
• Sil PBT Sil spark plug boot material for durable connection points
• 90-degree spark plug end boots for proper clearance and routing
• Female spark plug end terminal type
• Male distributor/coil end terminal type
• Built to meet or exceed OE/OES standards
• Compatible with 1993-2001 Honda Prelude, N/A

Product Details

The Denso First Time Fit line is engineered to mirror the original wire set used on the vehicle, making Denso 671-4189 a practical OE-style replacement for Honda Prelude ignition service. The 7mm wire diameter, angled boot design, and factory-style terminal configuration help maintain proper spark delivery and clean routing in the engine bay. This part cross-references NGK HE65 for the same application.

For drivers searching for a Honda Prelude spark plug wire set, ignition wire replacement, or Denso 671-4189 for 1993-2001 Honda Prelude models, this wire set is built around the original equipment layout rather than a universal fit design.

Common Issues This Part May Address

• Misfires caused by worn or damaged ignition wires
• Hard starting related to weak spark transfer
• Rough idle from deteriorated wire insulation or boot connections
• Intermittent ignition performance from aging OE wire sets
• Voltage leakage from cracked or heat-aged plug wires

Installation Notes

Verify engine layout and wire routing before installation on the Honda Prelude. Match each lead to the original routing path, and confirm the 90-degree spark plug boots seat fully on the plugs and the distributor or coil end terminals engage securely. Inspect adjacent ignition components for wear before completing service.

Quality Assurance

Denso First Time Fit ignition wire sets are produced to match OE-style specifications and are built to meet or exceed OE/OES standards for fit and performance.