Denso 671-8093 Spark Plug Wire Set

Denso 671-8093 Ignition Wire Set Overview

Denso 671-8093 is a spark plug wire set built to match factory-installed wire sets in form, fit, color, and performance. It is a direct replacement for select Ford Explorer and Mercury Mountaineer applications, including 1996-1997 Ford Explorer and 1997 Mercury Mountaineer models with 8mm ignition wire specifications.

Key Features

• 8mm insulation outside diameter for OE-style ignition wire routing and fit
• Silicone spark plug boot material for heat resistance and flexibility
• 115-degree spark plug end boot angle for proper clearance in tight engine bays
• Female spark plug end terminal type with male distributor/coil end terminal type
• Built to meet or exceed OE/OES standards for construction and performance
• Direct-fit replacement for Ford Explorer and Mercury Mountaineer ignition service

Product Details

Denso First Time Fit ignition wire sets are engineered to mirror the original wire set in appearance and function, making them a practical choice for restoring ignition performance on the 1996 Ford Explorer, 1997 Ford Explorer, and 1997 Mercury Mountaineer. The 8mm wire design, silicone boots, and angled spark plug ends support proper routing and secure terminal connection in the engine compartment. Part number 671-8093 is also referenced by several aftermarket cross numbers, including ACDelco 16-818T and Bosch 09769, for the same application.

Vehicle Fitment

• Fits 1997 Ford Explorer, N/A; to 2/17/97; 8mm
• Fits 1997 Mercury Mountaineer, N/A; to 2/17/97; 8mm
• Fits 1996 Ford Explorer, N/A; 8mm

Common Issues This Part Can Address

• Misfires caused by worn or deteriorated ignition wires
• Hard starting related to weak spark delivery
• Rough idle from damaged wire insulation or boot failure
• Intermittent engine hesitation under load
• Voltage leakage from aging ignition wire insulation

Installation Notes and Tips

Verify engine application, model year, and the 8mm specification before installation. Route each wire to match the original layout, and confirm the 115-degree spark plug boots clear nearby components without strain. Inspect coil and distributor terminals for corrosion or wear before connecting the new set.

Quality Assurance

Denso First Time Fit ignition wire sets are produced to OE/OES-level standards and are intended to match factory-installed wire set characteristics for fit and performance.