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Denso 671-6018 Spark Plug Wire Set
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.
| Brand | Denso |
| Part Number | 671-6018 |
| Position | 7mm |
| Bushing Material | 4 |
| Distributor Coil End Terminal Type | Female |
| Insulation Outside Diameter | 7.00 |
| Spark Plug Boot Material | Silicone |
| Spark Plug End Boot Degree | 90 |
| Spark Plug End Boot Quantity Straight | 2 |
| Spark Plug End Terminal Type | FEMALE |
This part fits 53 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1996 | Chevrolet | Express 1500 | N/A | w/ Vertical Dist. Cap; 7mm |
| 1996 | Chevrolet | Express 2500 | N/A | w/ Vertical Dist. Cap; 7mm |
| 1995 | Chevrolet | Astro | N/A | 7mm |
| 1995 | Chevrolet | Blazer | N/A | 90 Degree boot at the distributor; 7mm |
| 1995 | Chevrolet | G10 | N/A | w/ Vertical Dist. Cap; 7mm |
| 1995 | Chevrolet | G20 | N/A | w/ Vertical Dist. Cap; 7mm |
| 1995 | Chevrolet | G30 | N/A | w/ Vertical Dist. Cap; 7mm |
| 1995 | Chevrolet | S10 | N/A | 90 degree boot at the distributor; 7mm |
| 1995 | GMC | G1500 | N/A | 7mm |
| 1995 | GMC | G2500 | N/A | 7mm |
| 1995 | GMC | G3500 | N/A | 7mm |
| 1995 | GMC | Jimmy | N/A | 90 Degree Boot at Distributor; 7mm |
| 1995 | GMC | Safari | N/A | 7mm |
| 1995 | GMC | Sonoma | N/A | 90 Degree Boot at Distributor; 7mm |
| 1994 | Chevrolet | Astro | N/A | 7mm |
| 1994 | Chevrolet | G10 | N/A | w/ Vertical Dist. Cap; 7mm |
| 1994 | Chevrolet | G20 | N/A | w/ Vertical Dist. Cap; 7mm |
| 1994 | Chevrolet | G30 | N/A | w/ Vertical Dist. Cap; 7mm |
| 1994 | Chevrolet | S10 | N/A | 7mm |
| 1994 | Chevrolet | S10 Blazer | N/A | 7mm |
| 1994 | GMC | G1500 | N/A | 7mm |
| 1994 | GMC | G2500 | N/A | 7mm |
| 1994 | GMC | G3500 | N/A | 7mm |
| 1994 | GMC | Jimmy | N/A | 7mm |
| 1994 | GMC | Safari | N/A | 7mm |
| 1994 | GMC | Sonoma | N/A | 7mm |
| 1994 | Oldsmobile | Bravada | N/A | 7mm |
| 1993 | Chevrolet | Astro | N/A | 7mm |
| 1993 | Chevrolet | G10 | N/A | w/ Vertical Dist. Cap; 7mm |
| 1993 | Chevrolet | G20 | N/A | w/ Vertical Dist. Cap; 7mm |
| 1993 | Chevrolet | G30 | N/A | w/ Vertical Dist. Cap; 7mm |
| 1993 | Chevrolet | S10 | N/A | 7mm |
| 1993 | Chevrolet | S10 Blazer | N/A | 7mm |
| 1993 | GMC | G1500 | N/A | 7mm |
| 1993 | GMC | G2500 | N/A | 7mm |
| 1993 | GMC | G3500 | N/A | 7mm |
| 1993 | GMC | Jimmy | N/A | 7mm |
| 1993 | GMC | Safari | N/A | 7mm |
| 1993 | GMC | Sonoma | N/A | 7mm |
| 1993 | Oldsmobile | Bravada | N/A | 7mm |
| 1992 | Chevrolet | Astro | N/A | 7mm |
| 1992 | Chevrolet | G10 | N/A | w/ Vertical Dist. Cap; 7mm |
| 1992 | Chevrolet | G20 | N/A | w/ Vertical Dist. Cap; 7mm |
| 1992 | Chevrolet | G30 | N/A | w/ Vertical Dist. Cap; 7mm |
| 1992 | Chevrolet | S10 | N/A | 7mm |
| 1992 | Chevrolet | S10 Blazer | N/A | 7mm |
| 1992 | GMC | G1500 | N/A | 7mm |
| 1992 | GMC | G2500 | N/A | 7mm |
| 1992 | GMC | G3500 | N/A | 7mm |
| 1992 | GMC | Jimmy | N/A | 7mm |
| 1992 | GMC | Safari | N/A | 7mm |
| 1992 | GMC | Sonoma | N/A | 7mm |
| 1992 | Oldsmobile | Bravada | 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.