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Denso 671-8062 Spark Plug Wire Set
Reliable Ignition Wire Set for Cadillac, Chevrolet, GMC, and Hummer
The Denso 7mm Spark Plug Wire Set (Part Number 671-8062) is engineered to provide consistent ignition performance for a range of GM vehicles. Designed with durable silicone boots and precise terminal configurations, this set ensures reliable spark delivery for models like the Chevrolet Silverado 1500 and Cadillac Escalade.
- Silicone spark plug boot material for heat resistance and durability
- 7.00 mm insulation outside diameter for optimal electrical insulation
- Female distributor coil end terminal for secure connection
- 180-degree spark plug end boot angle for proper fitment
- Includes 8 straight spark plug end boots for complete wire set
Durable Design and Technical Specifications
This Denso 7mm spark plug wire set features silicone boots that withstand high temperatures and resist cracking, ensuring long-lasting performance. The 7.00 mm insulation diameter provides effective protection against electrical interference and arcing. Both the distributor coil end and spark plug end terminals are female type, designed for secure and precise connections. The 180-degree spark plug end boot angle allows for proper routing and fitment in tight engine compartments. This set includes eight straight spark plug end boots, making it suitable for V8 engines commonly found in vehicles like the GMC Sierra 1500 HD and Hummer H2.
About the Denso 7mm Product Line
The Denso 7mm line is tailored for ignition wire sets that balance durability and performance with a compact design. The 7mm insulation diameter is a standard size that fits many GM trucks and SUVs, providing reliable spark transmission while maintaining flexibility for installation. This product line focuses on quality materials such as silicone boots and precise terminal types to meet OEM specifications.
Applications and Common Issues Addressed
- Compatible with Cadillac Escalade, Chevrolet Silverado 1500, GMC Sierra 2500, and Hummer H2 models
- Resolves ignition misfires caused by worn or damaged spark plug wires
- Prevents electrical interference and crossfire in ignition systems
- Eliminates rough idling and poor engine performance due to faulty wiring
- Helps maintain consistent engine starting and fuel efficiency
Installation Notes and Tips
When installing the Denso 671-8062 spark plug wire set, ensure that the 180-degree spark plug end boots are properly aligned with the spark plugs for a secure fit. Verify that the female terminals on both the distributor coil and spark plug ends are fully seated to prevent loose connections. It is recommended to replace all wires simultaneously to maintain balanced ignition performance. Handle the silicone boots carefully to avoid damage during installation.
Quality Assurance and Warranty
Denso manufactures this spark plug wire set to meet or exceed OEM standards for ignition components. The use of high-quality silicone and precise terminal construction supports durability and reliable operation. While specific warranty details are not provided here, Denso products typically come with manufacturer-backed quality assurance to ensure customer confidence in fit and function.
| Brand | Denso |
| Part Number | 671-8062 |
| Position | 7mm |
| Distributor Coil End Terminal Type | Female |
| Insulation Outside Diameter | 7.00 |
| Spark Plug Boot Material | Silicone |
| Spark Plug End Boot Degree | 180 |
| Spark Plug End Boot Quantity Straight | 8 |
| Spark Plug End Terminal Type | FEMALE |
This part fits 148 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2007 | Chevrolet | Silverado 1500 Classic | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2007 | Chevrolet | Silverado 1500 HD Classic | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2007 | Chevrolet | Silverado 2500 HD Classic | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2007 | GMC | Sierra 1500 Classic | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2007 | GMC | Sierra 1500 HD Classic | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2007 | GMC | Sierra 2500 HD Classic | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2007 | GMC | Sierra 3500 Classic | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2007 | Hummer | H2 | Base | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm |
| 2006 | Cadillac | Escalade | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2006 | Cadillac | Escalade ESV | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2006 | Cadillac | Escalade EXT | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2006 | Chevrolet | Avalanche 1500 | Z71 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm |
| 2006 | Chevrolet | Avalanche 1500 | Z66 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm |
| 2006 | Chevrolet | Avalanche 1500 | LT | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm |
| 2006 | Chevrolet | Avalanche 1500 | LS | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm |
| 2006 | Chevrolet | Silverado 1500 | LT | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm |
| 2006 | Chevrolet | Silverado 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2006 | Chevrolet | Silverado 1500 HD | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2006 | Chevrolet | Silverado 2500 HD | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2006 | Chevrolet | Silverado 3500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2006 | Chevrolet | Suburban 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2006 | Chevrolet | Suburban 2500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2006 | Chevrolet | Tahoe | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2006 | GMC | Sierra 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2006 | GMC | Sierra 1500 | WT | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm |
| 2006 | GMC | Sierra 1500 | SLE | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm |
| 2006 | GMC | Sierra 1500 | SL | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm |
| 2006 | GMC | Sierra 1500 HD | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2006 | GMC | Sierra 2500 HD | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2006 | GMC | Sierra 3500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2006 | GMC | Yukon | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2006 | GMC | Yukon XL 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2006 | GMC | Yukon XL 2500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2006 | Hummer | H2 | Base | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm |
| 2005 | Cadillac | Escalade | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2005 | Cadillac | Escalade ESV | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2005 | Cadillac | Escalade EXT | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2005 | Chevrolet | Avalanche 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2005 | Chevrolet | Silverado 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2005 | Chevrolet | Silverado 1500 HD | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2005 | Chevrolet | Silverado 2500 HD | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2005 | Chevrolet | Silverado 3500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2005 | Chevrolet | Suburban 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2005 | Chevrolet | Suburban 2500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2005 | Chevrolet | Tahoe | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2005 | GMC | Sierra 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2005 | GMC | Sierra 1500 HD | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2005 | GMC | Sierra 2500 HD | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2005 | GMC | Sierra 3500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2005 | GMC | Yukon | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2005 | GMC | Yukon XL 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2005 | GMC | Yukon XL 2500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2005 | Hummer | H2 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2004 | Cadillac | Escalade | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2004 | Cadillac | Escalade ESV | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2004 | Cadillac | Escalade EXT | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2004 | Chevrolet | Avalanche 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2004 | Chevrolet | Express 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2004 | Chevrolet | Express 2500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2004 | Chevrolet | Silverado 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2004 | Chevrolet | Silverado 2500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2004 | Chevrolet | Silverado 2500 HD | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2004 | Chevrolet | Silverado 3500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2004 | Chevrolet | SSR | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2004 | Chevrolet | Suburban 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2004 | Chevrolet | Suburban 2500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2004 | Chevrolet | Tahoe | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2004 | GMC | Sierra 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2004 | GMC | Sierra 2500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2004 | GMC | Sierra 2500 HD | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2004 | GMC | Sierra 3500 | N/A | w/ A/C; 7mm | |
| 2004 | GMC | Yukon | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2004 | GMC | Yukon XL 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2004 | GMC | Yukon XL 2500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2004 | Hummer | H2 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2003 | Cadillac | Escalade | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2003 | Cadillac | Escalade ESV | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2003 | Cadillac | Escalade EXT | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2003 | Chevrolet | Avalanche 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2003 | Chevrolet | Silverado 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2003 | Chevrolet | Silverado 1500 HD | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2003 | Chevrolet | Silverado 2500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2003 | Chevrolet | Silverado 2500 HD | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2003 | Chevrolet | Silverado 3500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2003 | Chevrolet | Suburban 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2003 | Chevrolet | Suburban 2500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2003 | Chevrolet | Tahoe | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2003 | GMC | Sierra 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2003 | GMC | Sierra 1500 HD | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2003 | GMC | Sierra 2500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2003 | GMC | Sierra 2500 HD | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2003 | GMC | Sierra 3500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2003 | GMC | Yukon | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2003 | GMC | Yukon XL 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2003 | GMC | Yukon XL 2500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2003 | Hummer | H2 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2002 | Cadillac | Escalade | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2002 | Cadillac | Escalade EXT | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2002 | Chevrolet | Avalanche 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2002 | Chevrolet | Silverado 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2002 | Chevrolet | Silverado 1500 HD | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2002 | Chevrolet | Silverado 2500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2002 | Chevrolet | Silverado 2500 HD | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2002 | Chevrolet | Silverado 3500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2002 | Chevrolet | Suburban 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2002 | Chevrolet | Suburban 2500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2002 | Chevrolet | Tahoe | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2002 | GMC | Sierra 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2002 | GMC | Sierra 1500 HD | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2002 | GMC | Sierra 2500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2002 | GMC | Sierra 2500 HD | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2002 | GMC | Sierra 3500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2002 | GMC | Yukon | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2002 | GMC | Yukon XL 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2002 | GMC | Yukon XL 2500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2001 | Chevrolet | Silverado 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2001 | Chevrolet | Silverado 1500 HD | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2001 | Chevrolet | Silverado 2500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2001 | Chevrolet | Silverado 2500 HD | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2001 | Chevrolet | Silverado 3500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2001 | Chevrolet | Suburban 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2001 | Chevrolet | Suburban 2500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2001 | Chevrolet | Tahoe | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2001 | GMC | Sierra 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2001 | GMC | Sierra 1500 HD | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2001 | GMC | Sierra 2500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2001 | GMC | Sierra 2500 HD | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2001 | GMC | Sierra 3500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2001 | GMC | Yukon | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2001 | GMC | Yukon XL 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2001 | GMC | Yukon XL 2500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2000 | Chevrolet | Silverado 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2000 | Chevrolet | Silverado 2500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2000 | Chevrolet | Suburban 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2000 | Chevrolet | Suburban 2500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2000 | Chevrolet | Tahoe | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2000 | GMC | Sierra 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2000 | GMC | Sierra 2500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2000 | GMC | Yukon XL 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 2000 | GMC | Yukon XL 2500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 1999 | Chevrolet | P30 | N/A | 7mm | |
| 1999 | Chevrolet | Silverado 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 1999 | Chevrolet | Silverado 2500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 1999 | GMC | P3500 | N/A | 7mm | |
| 1999 | GMC | Sierra 1500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 1999 | GMC | Sierra 2500 | N/A | w/ Coil Stamped 12558693 use 10.5" Leads; 7mm | |
| 1998 | Chevrolet | P30 | N/A | 7mm | |
| 1998 | GMC | P3500 | N/A | 7mm |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.