Denso 671-8051 Spark Plug Wire Set

Denso 671-8051 Ignition Wire Set

Denso 671-8051 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 Cadillac Seville and Oldsmobile Aurora applications.

Key Features

• 7mm insulation outside diameter for OE-style ignition wire routing and fit
• Silicone spark plug boot material for heat resistance and durability
• 135-degree spark plug end boot for tighter routing clearance
• Female spark plug end terminal type and female distributor/coil end terminal type
• Built to meet or exceed OE/OES standards in construction
• Compatible With 1998-1999 Cadillac Seville and 1995-1999 Oldsmobile Aurora

Product Details

The Denso First Time Fit line focuses on direct replacement parts that follow original equipment dimensions and connection style. Part number 671-8051 uses a 7mm wire design with silicone boots and female terminals at both ends, helping maintain proper ignition connection and routing on the vehicles listed below. This part cross-references NAPA Mileage Plus 6718051 for the same application.

Fits 1998-1999 Cadillac Seville, N/A. Fits 1995-1999 Oldsmobile Aurora, N/A. If you are searching for a Denso 671-8051 spark plug wire set for Cadillac Seville or Oldsmobile Aurora ignition service, this OE-style replacement matches the listed fitment and connector style.

Common Issues This Part May Address

• Misfires caused by worn or heat-damaged plug wires
• Hard starting related to weak ignition transfer
• Rough idle from deteriorated wire insulation or boot wear
• Intermittent spark loss from poor terminal contact
• Voltage leakage from cracked or aged ignition wires

Installation Notes and Tips

Verify engine application and wire routing before installation. Match each lead to the original routing path to avoid crossfire and heat exposure. Inspect spark plugs, coil connections, and related ignition components at the same time to confirm the repair addresses the full ignition system condition.

Quality Assurance

Denso First Time Fit ignition wire sets are engineered to follow OE-style specifications for fit and performance. The 671-8051 is built to meet or exceed OE/OES construction standards for the listed Cadillac Seville and Oldsmobile Aurora applications.