Denso 671-6019 Spark Plug Wire Set

Denso 7mm Spark Plug Wire Set

Denso First Time Fit ignition wire sets are built to match the form, fit, color, and performance of the original factory wire set. Part number 671-6019 is a 7mm spark plug wire set with silicone boot material and female terminal ends for OE-style service on supported Buick, Chevrolet, Oldsmobile, and Pontiac applications.

The 7mm insulation outside diameter supports a factory-style layout, while the 180-degree spark plug end boot helps route the wire cleanly in tight engine compartments. This Denso 671-6019 wire set is a direct-fit option for drivers searching for a spark plug wire set for 1994-1999 Buick Regal, 1995-1999 Chevrolet Lumina, or 1994-1999 Pontiac Grand Prix applications.

Key Features

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

Product Details

Denso 671-6019 is part of the BrandLine 7mm ignition wire family, focused on factory-style replacement for vehicles that require a 7mm wire set. The construction is designed to mirror the original equipment layout, helping maintain proper wire fitment, terminal engagement, and routing around the ignition system. This makes it a practical choice for owners looking for an OE-style spark plug wire set for Buick Century, Chevrolet Monte Carlo, Oldsmobile Silhouette, and Pontiac Grand Am models listed in the fitment data.

This part cross-references NAPA Mileage Plus 6716019 and Bosch 09780 for the same application.

What It Helps Address

• Misfires caused by worn or heat-damaged ignition wires
• Hard starting related to weak spark delivery
• Rough idle from deteriorated wire insulation or terminals
• Intermittent ignition performance from poor terminal contact
• Routing issues when replacing a damaged factory-style wire set

Installation Notes and Tips

Verify engine application, wire routing, and terminal style before installation. This set uses female terminal ends and 180-degree spark plug boots, so matching the original routing and connection points is important for proper fit. For fitment-based searches, this part is listed for 1994-1999 Pontiac Grand Prix, 1994-1996 Buick Regal, and 1997-1999 Chevrolet Malibu applications, along with other supported vehicles in the fitment table.

• Fits 1997-1999 Buick Century, N/A
• Fits 1995-1999 Chevrolet Lumina, N/A
• Fits 1997-1999 Chevrolet Malibu, N/A
• Fits 1995-1999 Chevrolet Monte Carlo, N/A
• Fits 1999 Oldsmobile Alero, N/A
• Fits 1997-1999 Oldsmobile Cutlass, N/A
• Fits 1996-1999 Oldsmobile Silhouette, N/A
• Fits 1994-1999 Pontiac Grand Am, N/A
• Fits 1994-1999 Pontiac Grand Prix, N/A
• Fits 1999 Pontiac Montana, N/A
• Fits 1994-1998 Buick Skylark, N/A
• Fits 1994-1998 Oldsmobile Achieva, N/A
• Fits 1996-1998 Pontiac Trans Sport, N/A
• Fits 1995-1997 Oldsmobile Cutlass Supreme, N/A
• Fits 1994-1996 Buick Regal, N/A
• Fits 1994-1996 Chevrolet Corsica, N/A
• Fits 1996 Chevrolet Lumina APV, N/A
• Fits 1994 Oldsmobile Cutlass Ciera, N/A, Second Design; 7mm
• Fits 1994 Oldsmobile Cutlass Cruiser, N/A, Second Design; 7mm
• Fits 1994 Oldsmobile Cutlass Supreme, N/A, Second Design; 7mm

Quality Assurance

Denso states that First Time Fit ignition wire sets are manufactured to match factory-installed wire sets in form, fit, color, and performance, with construction that meets or exceeds OE/OES standards. That OE-style focus supports consistent replacement quality for supported ignition wire applications.