Denso 671-6099 Spark Plug Wire Set

Brand Denso 671-6099
Bushing Material 6
Distributor Coil End Terminal Type Male
Insulation Outside Diameter 8.00
Spark Plug Boot Material Silicone
Spark Plug End Boot Degree 115
Spark Plug End Terminal Type FEMALE
Product line 8mm
Fits Ford and Mazda · 6 vehicles

OE-style replacement. Matches factory form, fit, color, and performance.

Silicone boots. Help resist heat and maintain reliable insulation.

8mm wire design. Balanced for dependable ignition performance.

Cross-references ACDelco 16-826F, ACDelco 936T and Airtex 2X1351 for the same application. See all 21.

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Denso 671-6099 Ignition 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. This Denso 671-6099 spark plug wire set uses 8mm insulation and silicone spark plug boot material for OE-style replacement on select Ford Ranger and Mazda B3000 applications.

  • 8mm outside diameter insulation for OE-style wire routing and fit
  • Silicone spark plug boot material for heat resistance and durability
  • 115-degree spark plug end boot angle for proper terminal alignment
  • Female spark plug end terminal type
  • Male distributor/coil end terminal type
  • Built to meet or exceed OE/OES standards in construction

OE-Style Replacement Details

The Denso First Time Fit line is engineered as a direct replacement solution for factory-installed ignition wire sets. For 1998-2000 Ford Ranger and 1998-2000 Mazda B3000 models, this part number 671-6099 supports a clean OE-style service replacement where correct terminal style, boot angle, and insulation diameter matter. This part cross-references NGK FDZ068 and Bosch 09763 for the same application.

Vehicle Fitment

  • Fits 1998-2000 Ford Ranger, N/A, 8mm
  • Fits 1998-2000 Mazda B3000, N/A, 8mm

Common Issues This Part Can Address

  • Cracked or heat-damaged spark plug wire insulation
  • Misfire caused by worn wire terminals or boot connections
  • Hard starting related to deteriorated ignition wire performance
  • Intermittent ignition loss from aged wire set components
  • Incorrect fitment from non-OE-style wire routing or terminal angles

Installation Notes and Tips

Before installation, compare the terminal types, boot angle, and wire routing to the original set on the vehicle. Confirm application by year, make, and model before service. Route the wires away from hot exhaust components and moving parts, and make sure each boot seats fully on the spark plug and distributor or coil connection.

Quality Assurance

Denso First Time Fit ignition wire sets are manufactured to match OE-style specifications for form, fit, color, and performance, with construction that meets or exceeds OE/OES standards.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2000FordRangerN/A8mm
2000MazdaB3000N/A8mm
1999FordRangerN/A8mm
1999MazdaB3000N/A8mm
1998FordRangerN/A8mm
1998MazdaB3000N/A8mm
Directly replaces or cross-references 21 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — 16-826FACDelco — 936TAirtex — 2X1351Autolite — 96877Autolite — 97048Beck/Arnley — 175-6141Belden — 700224Belden — 700935BorgWarner — CH8670Bosch — 09763CARQUEST — 35-6184GP - Guaranteed Parts — 6675Kem — 11-6065MKem — 60_1865MSW - Triple A Specialty — MSW1866NAPA Mileage Plus — 6716099NGK — FDZ068PROConnect — 126029Sorensen — 67586STI — 691Wells — QW1140