HomeIgnition > Ignition Wire and Related ComponentsDenso 671-6043 Spark Plug Wire Set
Part #: 671-6043

Denso 671-6043 Spark Plug Wire Set

7mm
⚙️ 24 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦7mm
🚗Fitment: Buick, Oldsmobile, and Pontiac, LeSabre, 88, LSS, Regency, Bonneville, Park Avenue, Riviera, and 98
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Reliable Spark Plug Wire Set for Buick, Oldsmobile, and Pontiac

The Denso 7mm Spark Plug Wire Set (Part Number 671-6043) is designed to provide consistent ignition performance for select Buick, Oldsmobile, and Pontiac models. Engineered with durable silicone boots and precise terminal configurations, this set ensures efficient spark delivery and reliable engine operation.

  • Silicone spark plug boot material for heat resistance and durability
  • 7.00 mm insulation outside diameter for optimal electrical insulation
  • Female distributor coil end terminals for secure connections
  • 180-degree spark plug end boot angle for proper fitment
  • Includes six straight spark plug end boots for complete replacement

Detailed Features and Specifications

This spark plug wire set features silicone boots that withstand high temperatures and resist cracking, ensuring long-lasting performance. The 7mm insulation diameter balances flexibility with electrical protection, reducing the risk of crossfire and misfires. Both the distributor coil end and spark plug end terminals are female type, designed to fit securely on compatible ignition components. The 180-degree spark plug end boot angle allows for proper routing and clearance in engine bays of Buick 88, 98, Oldsmobile LSS, and Pontiac Bonneville models, among others. The set includes six straight spark plug end boots, matching the original equipment configuration for these vehicles.

About the Denso 7mm Product Line

The Denso 7mm line focuses on ignition wire sets with a 7.00 mm insulation diameter, providing a balance of durability and flexibility suitable for various GM vehicles. This product line is engineered to meet or exceed OEM specifications, offering reliable spark transmission and resistance to heat and abrasion. The 7mm wires are commonly used in Buick, Oldsmobile, and Pontiac models requiring precise fitment and consistent ignition performance.

Applications and Common Issues Addressed

  • Compatible with Buick 88, 98, LeSabre, Park Avenue, and Riviera models
  • Compatible with Oldsmobile LSS and Regency models
  • Compatible with Pontiac Bonneville and Riviera models
  • Resolves ignition misfires caused by worn or damaged spark plug wires
  • Prevents voltage leakage and crossfire issues
  • Improves engine starting and smoothness by ensuring proper spark delivery

Installation Notes and Tips

  • Ensure the spark plug wires are routed according to the vehicle’s factory service manual
  • Check that both female terminals are securely connected to the distributor coil and spark plugs
  • Replace wires one at a time to avoid mixing firing order
  • Inspect boots for proper seating to prevent moisture intrusion

Quality Assurance and Warranty

Denso manufactures this spark plug wire set to meet strict quality standards, ensuring reliable performance and durability. The silicone boots and 7mm insulation provide resistance to heat, oil, and abrasion. While specific warranty details are not provided, Denso products typically come with manufacturer-backed quality assurance to support their fit and function in compatible Buick, Oldsmobile, and Pontiac vehicles.

BrandDenso
Part Number671-6043
Position7mm
Distributor Coil End Terminal TypeFemale
Insulation Outside Diameter7.00
Spark Plug Boot MaterialSilicone
Spark Plug End Boot Degree180
Spark Plug End Boot Quantity Straight6
Spark Plug End Terminal TypeFEMALE

This part fits 24 vehicles. Search below:

YearMakeModelPositionNotes
1998BuickLeSabreN/A7mm
1998Oldsmobile88N/A7mm
1998OldsmobileLSSN/A7mm
1998OldsmobileRegencyN/A7mm
1998PontiacBonnevilleN/A7mm
1997BuickLeSabreN/A7mm
1997BuickPark AvenueN/A7mm
1997BuickRivieraN/A7mm
1997Oldsmobile88N/A7mm
1997OldsmobileLSSN/A7mm
1997OldsmobileRegencyN/A7mm
1997PontiacBonnevilleN/A7mm
1996BuickLeSabreN/A7mm
1996BuickPark AvenueN/A7mm
1996BuickRivieraN/A7mm
1996Oldsmobile88N/A7mm
1996Oldsmobile98N/A7mm
1996OldsmobileLSSN/A7mm
1996PontiacBonnevilleN/A7mm
1995BuickPark AvenueN/A7mm
1995BuickRivieraN/A7mm
1995Oldsmobile88N/A7mm
1995Oldsmobile98N/A7mm
1995PontiacBonnevilleN/A7mm

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

726H746U

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.