HomeIgnition > Ignition Wire and Related ComponentsDenso 671-8187 Spark Plug Wire Set
Part #: 671-8187

Denso 671-8187 Spark Plug Wire Set

7mm
⚙️ 30 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦7mm
🚗Fitment: Cadillac, Chevrolet, and GMC, Escalade, Corvette, Silverado 1500, Suburban, Tahoe, Sierra, and Yukon
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Overview of Denso 7mm Spark Plug Wire Set 671-8187

The Denso 7mm Spark Plug Wire Set 671-8187 is engineered for reliable ignition performance in select Cadillac, Chevrolet, and GMC vehicles. Designed with durable silicone boots and precise terminal configurations, this set supports efficient spark delivery for models like the Corvette, Escalade, Sierra, Silverado 1500, Tahoe, and Yukon.

  • Silicone spark plug boot material for heat resistance and durability
  • 7.00 mm insulation outside diameter for optimal electrical insulation
  • 180-degree spark plug end boot angle for improved fitment
  • Female spark plug end terminals and male distributor coil end terminals
  • Includes 8 straight spark plug end boots for complete set coverage

Detailed Product Features and Specifications

This Denso spark plug wire set features silicone boots that provide excellent resistance to heat and environmental factors, ensuring long-lasting performance. The 7mm insulation diameter balances flexibility with protection against electrical interference. The 180-degree spark plug end boot design allows for a secure and precise connection, reducing the risk of misfires. The set includes female terminals on the spark plug end and male terminals on the distributor coil end, matching factory specifications for proper installation. With eight straight spark plug end boots, this set is designed to cover all cylinders in compatible V8 engines.

About the Denso 7mm Brand Line

The 7mm brand line from Denso focuses on ignition wire sets with a 7.00 mm insulation diameter, providing a balance of durability and flexibility suitable for a range of GM vehicles. This line is engineered to meet OEM standards, ensuring compatibility and reliable ignition performance for vehicles such as the Chevrolet Silverado 1500 and Cadillac Escalade. The 7mm wires are designed to maintain consistent spark delivery under demanding conditions.

Compatible Vehicles and Common Applications

  • Cadillac Escalade ignition wire replacement
  • Chevrolet Corvette spark plug wire upgrade
  • GMC Sierra and Yukon ignition system maintenance
  • Chevrolet Silverado 1500 and Tahoe ignition wire set replacement
  • Addressing ignition misfires and weak spark issues in GM V8 engines

Installation Notes and Tips

When installing the Denso 671-8187 spark plug wire set, ensure the correct orientation of the 180-degree spark plug end boots for proper fitment. Verify that the female terminals connect securely to the spark plugs and the male terminals fit tightly on the distributor coil. Avoid stretching the wires excessively to maintain insulation integrity. It is recommended to replace all wires simultaneously to maintain balanced ignition performance.

Quality Assurance and Warranty

Denso manufactures this spark plug wire set to meet or exceed OEM specifications, ensuring consistent electrical performance and durability. The silicone boot material and precise terminal design contribute to long service life. While specific warranty details are not provided here, Denso products typically come with manufacturer-backed quality assurance to support reliable operation in compatible Cadillac, Chevrolet, and GMC vehicles.

BrandDenso
Part Number671-8187
Position7mm
Distributor Coil End Terminal TypeMale
Insulation Outside Diameter7.00
Spark Plug Boot MaterialSilicone
Spark Plug End Boot Degree180
Spark Plug End Boot Quantity Straight8
Spark Plug End Terminal TypeFEMALE

This part fits 30 vehicles. Search below:

YearMakeModelPositionNotes
2019CadillacEscaladeN/AOriginal Equipment Replacement Part / Complete Ignition Wire Set - 7mm; Spark Plug Wire Set - 7mm
2019ChevroletCorvetteN/AOriginal Equipment Replacement Part / Complete Ignition Wire Set - 7mm; Spark Plug Wire Set - 7mm
2019ChevroletSilverado 1500N/AOriginal Equipment Replacement Part / Complete Ignition Wire Set - 7mm; Spark Plug Wire Set - 7mm
2019ChevroletTahoeN/AOriginal Equipment Replacement Part / Complete Ignition Wire Set - 7mm; Spark Plug Wire Set - 7mm
2019GMCYukonN/AOriginal Equipment Replacement Part / Complete Ignition Wire Set - 7mm; Spark Plug Wire Set - 7mm
2018CadillacEscaladeN/AOriginal Equipment Replacement Part / Complete Ignition Wire Set - 7mm; Spark Plug Wire Set - 7mm
2018ChevroletCorvetteN/AOriginal Equipment Replacement Part / Complete Ignition Wire Set - 7mm; Spark Plug Wire Set - 7mm
2018ChevroletSilverado 1500N/AOriginal Equipment Replacement Part / Complete Ignition Wire Set - 7mm; Spark Plug Wire Set - 7mm
2018ChevroletTahoeN/AOriginal Equipment Replacement Part / Complete Ignition Wire Set - 7mm; Spark Plug Wire Set - 7mm
2018GMCYukonN/AOriginal Equipment Replacement Part / Complete Ignition Wire Set - 7mm; Spark Plug Wire Set - 7mm
2017CadillacEscaladeN/AOriginal Equipment Replacement Part / Complete Ignition Wire Set - 7mm; Spark Plug Wire Set - 7mm
2017ChevroletCorvetteN/AOriginal Equipment Replacement Part / Complete Ignition Wire Set - 7mm; Spark Plug Wire Set - 7mm
2017ChevroletSilverado 1500N/AOriginal Equipment Replacement Part / Complete Ignition Wire Set - 7mm; Spark Plug Wire Set - 7mm
2017ChevroletTahoeN/AOriginal Equipment Replacement Part / Complete Ignition Wire Set - 7mm; Spark Plug Wire Set - 7mm
2017GMCYukonN/AOriginal Equipment Replacement Part / Complete Ignition Wire Set - 7mm; Spark Plug Wire Set - 7mm
2016CadillacEscaladeN/A7mm
2016ChevroletCorvetteN/A7mm
2016ChevroletSilverado 1500N/A7mm
2016ChevroletTahoeN/A7mm
2016GMCSierraN/A7mm
2016GMCYukonN/A7mm
2015CadillacEscaladeN/A7mm
2015ChevroletCorvetteN/A7mm
2015ChevroletSilverado 1500N/A7mm
2015ChevroletTahoeN/A7mm
2015GMCSierraN/A7mm
2015GMCYukonN/A7mm
2014ChevroletCorvetteN/A7mm
2014ChevroletSilverado 1500N/A7mm
2014GMCSierraN/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:

758EE

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