Denso 671-6189 Spark Plug Wire Set

Denso 671-6189 Spark Plug Wire Set

Denso 671-6189 is a 7mm spark plug wire set built to match factory-installed wire sets in form, fit, color, and performance. It is a direct OE-style ignition wire replacement for select Acura CL and Honda Accord applications, with construction that meets or exceeds OE/OES standards.

Key Features

• 7mm insulation outside diameter for OE-style ignition wire routing and fit
• Sil PBT Sil spark plug boot material for durable heat resistance and electrical insulation
• 90-degree spark plug end boot for proper clearance at the plug connection
• Female spark plug end terminal type with male distributor/coil end terminal type
• Built to match factory-installed wire sets in appearance and performance
• Direct replacement for Acura CL and Honda Accord ignition service

Product Details

This Denso First Time Fit wire set is engineered as an OE-style ignition wire replacement for 1997-1999 Acura CL and 1998-1999 Honda Accord models. The 7mm design supports proper ignition routing, while the boot and terminal configuration helps maintain a secure connection at both the spark plug and distributor or coil end. Part number 671-6189 is also referenced by aftermarket listings such as NGK HE86 and Bosch 09835 for the same application.

The First Time Fit product line focuses on factory-matched dimensions and performance characteristics, making Denso 671-6189 a practical choice when replacing aging ignition wires on Acura CL or Honda Accord vehicles. If you are searching for a spark plug wire set for a 1997-1999 Acura CL or 1998-1999 Honda Accord, this part number is built for that exact service need.

Common Problems This Part Addresses

• Misfires caused by worn or heat-damaged ignition wires
• Hard starting related to weak spark delivery
• Rough idle from deteriorated wire insulation or boot wear
• Intermittent ignition performance from loose or aging terminals
• Voltage leakage across cracked or contaminated wire insulation

Installation Notes and Tips

Verify the vehicle application before installation and route each wire to match the original layout. Inspect spark plugs, distributor cap, and coil connections at the same time, since worn ignition components can shorten wire life and affect performance. Confirm the 90-degree spark plug boot clears surrounding components and seats fully on the plug terminal.

Compatible With 1997-1999 Acura CL and 1998-1999 Honda Accord ignition systems. Search terms such as Acura CL spark plug wire set, Honda Accord ignition wire replacement, and Denso 671-6189 spark plug wires align with this OE-style application.

Quality Assurance

Denso states that First Time Fit ignition wire sets are built to OE/OES standards and are matched to factory-installed specifications for fit and performance. That focus on OE-style construction supports consistent ignition service on the listed Acura and Honda applications.