HomeIgnition > Ignition Wire and Related ComponentsDenso 671-6284 Spark Plug Wire Set
Part #: 671-6284

Denso 671-6284 Spark Plug Wire Set

7mm
⚙️ 27 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦7mm
🚗Fitment: Chevrolet and GMC, Express 1500, Silverado 1500, Savana 1500, and Sierra 1500
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Reliable Spark Plug Wire Set for Chevrolet and GMC Vehicles

The Denso 7mm Spark Plug Wire Set (Part Number 671-6284) is designed to provide consistent ignition performance for select Chevrolet and GMC models. Engineered with durable silicone boots and precise terminal configurations, this set ensures reliable spark delivery for your vehicle's ignition system.

  • 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 connection
  • 180-degree spark plug end boots with female terminals for proper fit
  • Includes six straight spark plug end boots for complete replacement

About the Denso 7mm Brand Line

The Denso 7mm brand line focuses on ignition wire sets with a 7.00 mm insulation diameter, balancing flexibility and electrical insulation. This line is designed to meet the specific requirements of ignition systems in various vehicles, including Chevrolet Express 1500, GMC Savana 1500, Sierra 1500, and Silverado 1500 models. The 7mm wires provide reliable spark conduction while maintaining resistance to heat and wear.

Product Details and Specifications

This spark plug wire set features silicone boots that offer enhanced heat resistance compared to standard rubber boots, helping to maintain performance under high engine temperatures. The female terminal types on both the distributor coil end and spark plug end ensure a secure and stable connection, reducing the risk of misfires. The 180-degree spark plug end boot design allows for proper routing and fitment in tight engine compartments. With six straight spark plug end boots included, this set is suitable for six-cylinder engines found in compatible Chevrolet and GMC models.

Compatible Vehicles and Applications

  • Chevrolet Express 1500 ignition wire replacement
  • GMC Savana 1500 spark plug wire set upgrade
  • GMC Sierra 1500 ignition system maintenance
  • Chevrolet Silverado 1500 spark plug wire replacement

Installation Notes and Tips

  • Ensure engine is cool before removing old spark plug wires
  • Replace wires one at a time to avoid misrouting
  • Verify correct terminal orientation for distributor coil and spark plug ends
  • Check for secure boot seating to prevent moisture intrusion
  • Route wires away from hot engine components and moving parts

Quality Assurance and Warranty

Denso spark plug wire sets are manufactured to meet OEM specifications for fit and function. The 671-6284 part number undergoes rigorous quality control to ensure durability and consistent performance. While specific warranty details may vary, Denso products typically include coverage against defects in materials and workmanship.

BrandDenso
Part Number671-6284
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 27 vehicles. Search below:

YearMakeModelPositionNotes
2014ChevroletExpress 1500N/A7mm
2013ChevroletExpress 1500N/A7mm
2013ChevroletSilverado 1500N/A7mm
2013GMCSavana 1500N/A7mm
2013GMCSierra 1500N/A7mm
2012ChevroletExpress 1500N/A7mm
2012ChevroletSilverado 1500N/A7mm
2012GMCSavana 1500N/A7mm
2012GMCSierra 1500N/A7mm
2011ChevroletExpress 1500N/A7mm
2011ChevroletSilverado 1500N/A7mm
2011GMCSavana 1500N/A7mm
2011GMCSierra 1500N/A7mm
2010ChevroletExpress 1500N/A7mm
2010ChevroletSilverado 1500N/A7mm
2010GMCSavana 1500N/A7mm
2010GMCSierra 1500N/A7mm
2009ChevroletExpress 1500N/A7mm
2009ChevroletSilverado 1500N/A7mm
2009GMCSavana 1500N/A7mm
2009GMCSierra 1500N/A7mm
2008ChevroletExpress 1500N/A7mm
2008ChevroletSilverado 1500N/A7mm
2008GMCSavana 1500N/A7mm
2008GMCSierra 1500N/A7mm
2007ChevroletSilverado 1500N/A7mm
2007GMCSierra 1500N/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:

746UU

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