Denso 671-8001 Spark Plug Wire Set

Denso 671-8001 Ignition Wire Set

Denso 671-8001 is a 7mm spark plug wire set built to match factory-installed wire sets in form, fit, color, and performance. It uses silicone spark plug boot material and OE-style terminal configurations for direct replacement service on select Jeep, Pontiac, Buick, and related applications.

The Denso 7mm line focuses on First Time Fit construction, giving technicians an OE-style ignition wire option for classic vehicles that need accurate routing and dependable electrical transfer. This part number, 671-8001, is listed for applications including Pontiac Grand Prix, Bonneville, Catalina, Firebird, LeMans, Tempest, and GTO, plus Jeep CJ5 and Wagoneer and Buick Skylark.

Key Features

• 7mm insulation outside diameter for OE-style wire sizing
• Silicone spark plug boot material for heat resistance and flexibility
• 180-degree spark plug end boot
• Female spark plug end terminal type
• Male distributor/coil end terminal type
• Built to meet or exceed OE/OES standards
• First Time Fit construction for factory-style replacement

Detailed Product Overview

Denso 671-8001 is part of the Denso 7mm First Time Fit ignition wire line, which is engineered to mirror the original wire set in appearance and performance characteristics. That makes it a practical choice for owners restoring or maintaining classic Pontiac and Jeep vehicles where correct routing, terminal style, and wire diameter matter. This part cross-references NAPA Mileage Plus 6718001 for the same application.

Compatible With 1964-1967 Pontiac LeMans, N/A; 1964-1967 Pontiac Tempest, N/A; 1965-1967 Pontiac Bonneville, N/A; 1965-1967 Pontiac Catalina, N/A; 1965-1966 Pontiac GTO, N/A; 1965-1967 Pontiac Grand Prix, N/A; 1966-1967 Buick Skylark, N/A; 1967 Pontiac Firebird, N/A; 1972-1973 Jeep CJ5, N/A; and 1972-1973 Jeep Wagoneer, N/A.

Common Issues This Part Can Address

• Worn or heat-damaged ignition wires
• Incorrect terminal style on replacement wire sets
• Routing or fitment problems from non-OE wire dimensions
• Misfire concerns caused by deteriorated insulation
• Restoration needs for factory-style ignition appearance

Installation Notes and Tips

Match each lead to the original routing before removal to preserve firing order and clearance around exhaust components. Verify distributor and spark plug terminal styles before installation, and confirm the 7mm wire diameter is correct for the vehicle application. For classic Pontiac and Jeep models, careful routing helps maintain separation between wires and reduces the chance of crossfire.

Quality Assurance

Denso First Time Fit ignition wire sets are built to OE/OES standards for form, fit, color, and performance. The 671-8001 is intended as an OE-style replacement for select Pontiac, Buick, and Jeep applications.