Denso 671-6046 Spark Plug Wire Set

Denso 7mm Spark Plug Wire Set for OE Fit

Denso 671-6046 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 select Buick, Chevrolet, Pontiac, and Oldsmobile applications, including 2000-2005 Chevrolet Impala and 2000-2005 Pontiac Grand Prix models.

Key Features

• 7mm insulation outside diameter for OE-style routing and fit
• Silicone spark plug boot material for heat resistance and flexibility
• Female distributor coil end terminal type
• 180-degree spark plug end boot degree for specific engine routing needs
• Female spark plug end terminal type
• Built to meet or exceed OE/OES standards

Product Details

The Denso First Time Fit line is engineered as an OE-style ignition wire replacement line, with construction that mirrors factory specifications for the listed vehicles. Part number 671-6046 is designed for direct replacement service on applications such as 2000-2005 Chevrolet Impala, 2000-2005 Chevrolet Monte Carlo, 2000-2003 Pontiac Grand Prix, and 2000-2004 Oldsmobile Alero. The 7mm wire diameter and silicone boot construction support consistent ignition routing and secure terminal connection at the coil and spark plug ends.

This part cross-references NAPA Mileage Plus 6716046 and Wells QW1373 for the same application.

Common Issues This Part Can Address

• Cracked or heat-damaged ignition wire insulation
• Loose or worn spark plug boot connections
• Misfire caused by deteriorated wire terminals
• Rough idle from aged ignition wire routing or resistance issues
• Hard starting related to worn spark plug wire sets

Installation Notes and Tips

Verify wire routing against the original layout before removal, and transfer one wire at a time when possible to reduce the chance of cross-connection. Confirm the female terminal ends and 180-degree boot orientation match the engine layout on your Buick Century, Chevrolet Malibu, or Pontiac Montana application before installation. Inspect spark plugs and coil connections for wear or corrosion during service.

Quality Assurance

Denso First Time Fit ignition wire sets are manufactured to match OE fitment expectations and are built to meet or exceed OE/OES standards for the listed applications.