Denso 671-6177 Spark Plug Wire Set

Denso 671-6177 Ignition Wire Set

Denso 671-6177 is a 7mm spark plug wire set built to match the form, fit, color, and performance of the original factory wire set. It uses silicone spark plug boot material and OE-style terminal configurations for dependable ignition service on select Toyota applications.

Compatible with 1982-1985 Toyota Celica and 1983-1988 Toyota Cressida, this Denso First Time Fit ignition wire set is built to OE/OES standards for a direct replacement approach. If you are searching for a Toyota Celica spark plug wire set 7mm or a Toyota Cressida ignition wire replacement, part number 671-6177 is the reference to use.

Key Features

• 7mm insulation outside diameter for OE-style wire routing and fit
• Silicone spark plug boot material for heat resistance and flexibility
• 180-degree spark plug end boot design
• Female spark plug end terminal type
• Male distributor coil end terminal type
• Built to match factory-installed wire set dimensions and performance

Product Details

The Denso 7mm product line focuses on direct-fit ignition components that mirror original equipment specifications. For this application, the wire set is engineered to preserve the factory-style layout and connection points used on select Toyota Celica and Toyota Cressida models. Denso 671-6177 is a practical choice when replacing aging ignition wires that have become brittle, cracked, or electrically inconsistent.

This part cross-references NGK TX97 and Bosch 09804 for the same application.

Common Issues This Part Can Address

• Engine misfire caused by worn or damaged plug wires
• Hard starting related to weak spark delivery
• Rough idle from inconsistent ignition transfer
• Visible cracking, heat damage, or boot deterioration
• Electrical leakage across aging ignition wire insulation

Installation Notes and Tips

Verify wire routing against the original layout before removal so each lead returns to the correct cylinder and coil connection. Inspect spark plugs, distributor cap, and ignition coil condition at the same time to avoid carrying over related ignition faults. Confirm fitment by vehicle year and model before ordering Denso 671-6177.

Quality Assurance

Denso First Time Fit ignition wire sets are manufactured to meet or exceed OE/OES standards, with construction intended to match factory-installed specifications for consistent service on the listed Toyota applications.