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Denso 671-4197 Spark Plug Wire Set
| Brand | Denso 671-4197 |
|---|---|
| Distributor Coil End Terminal Type | Male |
| Insulation Outside Diameter | 8.00 |
| Spark Plug Boot Material | Silicone |
| Spark Plug End Boot Degree | 180 |
| Spark Plug End Boot Quantity Straight | 8 |
| Spark Plug End Terminal Type | FEMALE |
| Product line | 8mm |
| Fits | Nissan · 8 vehicles |
OE-style fit. Matches factory wire sets in form, fit, color, and performance.
Silicone boots. Help resist heat and maintain a reliable connection.
8mm wire design. Balanced for dependable ignition performance.
Cross-references ACDelco 16-824N, Airtex 2X1537 and Autolite 96427 for the same application. See all 19.
Denso 8mm Spark Plug Wire Set for Nissan
Denso First Time Fit ignition wire sets are built to match the form, fit, color, and performance of the original factory wire set. This Denso 8mm spark plug wire set, part number 671-4197, uses silicone boot material and OE-style terminal configurations for dependable ignition service on select Nissan 510 and Nissan 720 applications.
Key Features
- 8mm insulation outside diameter for OE-style ignition wire routing and fit
- Silicone spark plug boot material for heat resistance and flexibility
- 180-degree spark plug end boot design
- Female spark plug end terminal type
- Male distributor/coil end terminal type
- Built to meet or exceed OE/OES standards in construction
- Part number 671-4197 for easy catalog matching
Product Details
Denso 671-4197 is a spark plug wire set from the 8mm product line, developed for direct replacement use where original-style wire routing and terminal fit are required. The First Time Fit line focuses on matching factory-installed wire sets in appearance and performance, making it a practical choice for maintaining consistent ignition delivery on Nissan 510 and Nissan 720 models. This part cross-references NGK NX70 for the same application.
Fits 1980 Nissan 510, California; 8mm. Fits 1981 Nissan 510, 8mm. Fits 1981-1984 Nissan 720, 8mm. Fits 1985 Nissan 720, To 6/30/84; 8mm. Fits 1986 Nissan 720, 8mm.
Common Issues This Part Can Address
- Misfires caused by worn or heat-damaged ignition wires
- Hard starting related to weak spark transfer
- Rough idle from deteriorated wire insulation or boot wear
- Intermittent ignition performance from loose or aging terminals
- Voltage leakage across cracked or brittle wire jackets
Installation Notes and Tips
Verify wire routing against the original layout before removal, and transfer one lead at a time to reduce the chance of cross-firing. Confirm the distributor/coil end and spark plug end terminal styles match the vehicle before installation. On Nissan 510 and Nissan 720 applications, check the model year and notes carefully, including the California note for the 1980 Nissan 510 and the 6/30/84 cutoff note for the 1985 Nissan 720.
Quality Assurance
Denso First Time Fit ignition wire sets are engineered to align with OE/OES standards for form and performance. The 8mm construction, silicone boots, and factory-style terminal design support consistent replacement quality for select Nissan ignition systems.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1986 | Nissan | 720 | N/A | 8mm |
| 1985 | Nissan | 720 | N/A | To 6/30/84; 8mm |
| 1984 | Nissan | 720 | N/A | 8mm |
| 1983 | Nissan | 720 | N/A | 8mm |
| 1982 | Nissan | 720 | N/A | 8mm |
| 1981 | Nissan | 510 | N/A | 8mm |
| 1981 | Nissan | 720 | N/A | 8mm |
| 1980 | Nissan | 510 | N/A | California; 8mm |
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