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Denso 671-6316 Spark Plug Wire Set
Reliable Spark Plug Wire Set for Chevrolet and GMC Trucks
The Denso 7mm Spark Plug Wire Set (Part Number 671-6316) is designed to deliver consistent ignition performance for Chevrolet Silverado 1500 and GMC Sierra 1500 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
- 180-degree spark plug end boot angle for easy installation in tight engine bays
- Female spark plug end terminals and male distributor coil end terminals for secure connections
- Includes six straight spark plug end boots to match factory specifications
Detailed Features of the Denso 7mm Spark Plug Wire Set
The Denso 7mm line is known for its balance of performance and durability, making it suitable for ignition wire applications requiring reliable insulation and terminal fitment. This spark plug wire set features silicone boots that resist heat and environmental damage, helping maintain consistent spark delivery. The 7.00 mm insulation diameter provides effective protection against electrical interference and arcing. The 180-degree spark plug end boot design facilitates installation in Chevrolet Silverado 1500 and GMC Sierra 1500 engines where space constraints exist. The combination of female spark plug end terminals and male distributor coil end terminals ensures compatibility with original equipment connectors, reducing the risk of loose or faulty connections.
Compatible Vehicles and Applications
- Designed specifically for Chevrolet Silverado 1500 ignition systems
- Compatible with GMC Sierra 1500 ignition wire configurations
- Ideal for replacing worn or damaged spark plug wires causing misfires or poor engine performance
- Addresses issues such as engine hesitation, rough idling, and reduced fuel efficiency
- Helps restore proper ignition timing and spark delivery for smoother operation
Installation Notes and Tips
When installing the Denso 671-6316 spark plug wire set, ensure that each wire is routed to avoid contact with hot engine components or moving parts. The 180-degree spark plug end boots should be aligned carefully to fit the spark plugs without strain. Confirm that the male distributor coil end terminals are securely connected to the coil to prevent ignition faults. It is recommended to replace all wires in the set simultaneously to maintain balanced ignition performance across all cylinders.
Quality Assurance and Warranty
Denso manufactures this 7mm spark plug wire set to meet or exceed OEM specifications for Chevrolet and GMC ignition systems. The use of high-quality silicone boots and precise terminal construction supports long-term durability and reliable performance. While specific warranty details are not provided here, Denso products typically come with manufacturer-backed warranties covering defects in materials and workmanship.
| Brand | Denso |
| Part Number | 671-6316 |
| Position | 7mm |
| Distributor Coil End Terminal Type | Male |
| Insulation Outside Diameter | 7.00 |
| Spark Plug Boot Material | Silicone |
| Spark Plug End Boot Degree | 180 |
| Spark Plug End Boot Quantity Straight | 6 |
| Spark Plug End Terminal Type | FEMALE |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2016 | Chevrolet | Silverado 1500 | N/A | 7mm |
| 2016 | GMC | Sierra 1500 | N/A | 7mm |
| 2015 | Chevrolet | Silverado 1500 | N/A | 7mm |
| 2015 | GMC | Sierra 1500 | N/A | 7mm |
| 2014 | Chevrolet | Silverado 1500 | N/A | 7mm |
| 2014 | GMC | Sierra 1500 | 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.