HomeIgnition > Ignition Wire and Related ComponentsDenso 671-6018 Spark Plug Wire Set
Part #: 671-6018

Denso 671-6018 Spark Plug Wire Set

7mm
⚙️ 53 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦7mm
🚗Fitment: Chevrolet, GMC, and Oldsmobile, Express 1500, Express 2500, Astro, Blazer, G10, G20, G30, S10, G1500, G2500, G3500, Jimmy, Safari, Sonoma, S10 Blazer, and Bravada
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Reliable Spark Plug Wire Set for Chevrolet, GMC, and Oldsmobile

The Denso 7mm Spark Plug Wire Set (Part Number 671-6018) is designed to provide consistent ignition performance for select Chevrolet, GMC, and Oldsmobile vehicles. Engineered with durable silicone boots and precise terminal configurations, this set ensures reliable spark delivery for smooth engine operation.

Key Features of the Denso 671-6018 Spark Plug Wire Set

  • Silicone spark plug boot material for heat resistance and durability
  • 7.00mm insulation outside diameter for optimal electrical insulation
  • Female distributor coil end terminals for secure connection
  • 90-degree angled female spark plug end boots (4 angled, 2 straight) for proper fitment
  • Compatible with multiple Chevrolet, GMC, and Oldsmobile models

Detailed Description of the 7mm Spark Plug Wire Set

The Denso 7mm Spark Plug Wire Set features a 7.00mm insulation diameter that balances flexibility and electrical insulation, reducing the risk of crossfire and misfires. The silicone boot material offers enhanced resistance to heat, oil, and chemicals commonly found in engine compartments. This set includes four 90-degree angled spark plug end boots and two straight boots, all with female terminals, ensuring a precise fit on the spark plugs and distributor coil. The female terminal type on both ends provides secure and reliable connections, minimizing electrical resistance and improving ignition efficiency.

The 7mm product line from Denso is known for its focus on durability and fitment accuracy, making it suitable for vehicles requiring a 7mm wire diameter. This set is engineered to meet the specific ignition wire requirements of Chevrolet, GMC, and Oldsmobile models, supporting consistent engine performance and ignition reliability.

Compatible Vehicles and Common Applications

  • Chevrolet Astro, Blazer, Bravada, Express 1500, Express 2500, G10, G20, G30, Jimmy, S10, S10 Blazer, Safari, Sonoma
  • GMC models corresponding to the above Chevrolet platforms
  • Oldsmobile models compatible with these ignition wire specifications

Issues Addressed by the Denso Spark Plug Wire Set

  • Prevents ignition misfires caused by worn or damaged spark plug wires
  • Reduces electrical interference and crossfire between wires
  • Improves engine starting and smooth idling
  • Resists heat and chemical damage to extend wire life
  • Ensures proper fitment to avoid loose connections and voltage loss

Installation Notes and Tips

  • Verify compatibility with your specific vehicle make and model before installation
  • Replace spark plug wires one at a time to maintain correct firing order
  • Ensure all connections are fully seated with the female terminals securely attached
  • Inspect distributor coil and spark plug boots for damage during installation
  • Use dielectric grease on boots to improve connection and ease future removal

Quality Assurance and Warranty Information

Denso manufactures this 7mm Spark Plug Wire Set to meet or exceed OEM specifications for ignition wire performance and durability. The use of high-quality silicone boots and precise terminal construction supports long-term reliability. While specific warranty details may vary, Denso products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or your supplier for exact warranty terms.

BrandDenso
Part Number671-6018
Position7mm
Bushing Material4
Distributor Coil End Terminal TypeFemale
Insulation Outside Diameter7.00
Spark Plug Boot MaterialSilicone
Spark Plug End Boot Degree90
Spark Plug End Boot Quantity Straight2
Spark Plug End Terminal TypeFEMALE

This part fits 53 vehicles. Search below:

YearMakeModelPositionNotes
1996ChevroletExpress 1500N/Aw/ Vertical Dist. Cap; 7mm
1996ChevroletExpress 2500N/Aw/ Vertical Dist. Cap; 7mm
1995ChevroletAstroN/A7mm
1995ChevroletBlazerN/A90 Degree boot at the distributor; 7mm
1995ChevroletG10N/Aw/ Vertical Dist. Cap; 7mm
1995ChevroletG20N/Aw/ Vertical Dist. Cap; 7mm
1995ChevroletG30N/Aw/ Vertical Dist. Cap; 7mm
1995ChevroletS10N/A90 degree boot at the distributor; 7mm
1995GMCG1500N/A7mm
1995GMCG2500N/A7mm
1995GMCG3500N/A7mm
1995GMCJimmyN/A90 Degree Boot at Distributor; 7mm
1995GMCSafariN/A7mm
1995GMCSonomaN/A90 Degree Boot at Distributor; 7mm
1994ChevroletAstroN/A7mm
1994ChevroletG10N/Aw/ Vertical Dist. Cap; 7mm
1994ChevroletG20N/Aw/ Vertical Dist. Cap; 7mm
1994ChevroletG30N/Aw/ Vertical Dist. Cap; 7mm
1994ChevroletS10N/A7mm
1994ChevroletS10 BlazerN/A7mm
1994GMCG1500N/A7mm
1994GMCG2500N/A7mm
1994GMCG3500N/A7mm
1994GMCJimmyN/A7mm
1994GMCSafariN/A7mm
1994GMCSonomaN/A7mm
1994OldsmobileBravadaN/A7mm
1993ChevroletAstroN/A7mm
1993ChevroletG10N/Aw/ Vertical Dist. Cap; 7mm
1993ChevroletG20N/Aw/ Vertical Dist. Cap; 7mm
1993ChevroletG30N/Aw/ Vertical Dist. Cap; 7mm
1993ChevroletS10N/A7mm
1993ChevroletS10 BlazerN/A7mm
1993GMCG1500N/A7mm
1993GMCG2500N/A7mm
1993GMCG3500N/A7mm
1993GMCJimmyN/A7mm
1993GMCSafariN/A7mm
1993GMCSonomaN/A7mm
1993OldsmobileBravadaN/A7mm
1992ChevroletAstroN/A7mm
1992ChevroletG10N/Aw/ Vertical Dist. Cap; 7mm
1992ChevroletG20N/Aw/ Vertical Dist. Cap; 7mm
1992ChevroletG30N/Aw/ Vertical Dist. Cap; 7mm
1992ChevroletS10N/A7mm
1992ChevroletS10 BlazerN/A7mm
1992GMCG1500N/A7mm
1992GMCG2500N/A7mm
1992GMCG3500N/A7mm
1992GMCJimmyN/A7mm
1992GMCSafariN/A7mm
1992GMCSonomaN/A7mm
1992OldsmobileBravadaN/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:

716W

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