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Standard Ignition 6943K Spark Plug Wire Set
| Brand | Standard Ignition 6943K |
|---|---|
| Noise Suppression Type | Yes |
| Outside Diameter | 21.25 |
| Core Material | Silicone suppression core |
| Spark Plug End Boot Degree | 180 |
| Boot Color | Black |
| Car/Truck | Truck |
| Coil Wire Included | No |
| Cylinders | 8 |
| Dist/Coil Boot Color | Black |
| Dist/Coil Boot Material | Silicone |
| Dist/Coil End Boot Degree | Straight |
| Distributor Cap Included | No |
| Insulation | Silicone |
| Jacket | Silicone jacket |
| Notes | Includes coil on plug boots |
| Package Quantity | 1 set |
| RFI Suppression | Yes |
| Spark Plug Boot Color | Gray |
| Spark Plug Boot Material | Silicone |
| Spark Plug Wire Lead 2 | 21.25" |
| Spark Plug Wire Lead 3 | 21.25" |
| Spark Plug Wire Lead 4 | 21.25" |
| Spark Plug Wire Lead 5 | 21.25" |
| Spark Plug Wire Lead 6 | 21.25" |
| Spark Plug Wire Lead 7 | 21.25" |
| Spark Plug Wire Lead 8 | 21.25" |
| Total Number of Leads | 8 |
| Wire Color | Gray |
| Fits | Ford · 8 vehicles |
Silicone suppression core. Helps reduce electrical noise and RFI for cleaner ignition performance.
Silicone jacket. Adds heat resistance and durable insulation for dependable wire protection.
Includes coil-on-plug boots. Provides the boots needed for a complete spark plug wire set.
Cross-references 3373K3 for the same application. See all 1.
Ignition Wire Set for Ford Super Duty
Standard Ignition 6943K is a spark plug wire set built for 2017-2020 Ford F-250 Super Duty and 2017-2020 Ford F-350 Super Duty applications. It uses silicone insulation, a silicone jacket, and a silicone suppression core to support consistent ignition performance while helping reduce radio frequency interference.
Key Features
- Fits 2017-2020 Ford F-250 Super Duty, ignition wire and boot kit
- Fits 2017-2020 Ford F-350 Super Duty, ignition wire and boot kit
- Silicone suppression core with RFI suppression and noise suppression
- Silicone insulation and silicone jacket for heat-resistant routing
- Includes coil-on-plug boots
- 8-cylinder application with 180-degree spark plug end boots
- Gray spark plug wire leads with black distributor/coil boot color
Detailed Description
Standard Ignition 6943K spark plug wire set is engineered for truck applications that require dependable ignition wire routing and suppression characteristics. The set features 21.25-inch spark plug wire leads, straight distributor/coil end boots, and 180-degree spark plug end boots to match the listed Ford Super Duty fitment. Standard Ignition 6943K is a direct-fit ignition wire and boot kit for 2017-2020 Ford F-250 Super Duty and 2017-2020 Ford F-350 Super Duty models.
This part cross-references 3373K3 for the same application.
What It Helps Address
- Misfires caused by worn or heat-damaged plug wires
- Radio frequency interference affecting ignition system operation
- Cracked insulation or jacket wear from engine bay heat
- Loose or deteriorated boot connections at the spark plug or coil-on-plug end
- Uneven ignition performance on 8-cylinder truck engines
Installation Notes and Tips
Verify wire routing against the original layout before installation to avoid crossfire or contact with hot engine components. Match each lead to the correct cylinder and confirm the boot orientation at both ends before seating the connectors. For Ford F-250 Super Duty and Ford F-350 Super Duty ignition wire replacement, inspect adjacent ignition components for wear before final assembly.
Quality Assurance
Standard Ignition supplies ignition components for service replacement applications, and this 6943K wire set is built with silicone-based materials and suppression features to support stable ignition performance in the listed Ford Super Duty trucks.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2020 | Ford | F-250 Super Duty | 6.2L | V8 | N/A | Ignition Wire And Boot Kit |
| 2020 | Ford | F-350 Super Duty | 6.2L | V8 | N/A | Ignition Wire And Boot Kit |
| 2019 | Ford | F-250 Super Duty | 6.2L | V8 | N/A | Ignition Wire And Boot Kit |
| 2019 | Ford | F-350 Super Duty | 6.2L | V8 | N/A | Ignition Wire And Boot Kit |
| 2018 | Ford | F-250 Super Duty | 6.2L | V8 | N/A | Ignition Wire And Boot Kit |
| 2018 | Ford | F-350 Super Duty | 6.2L | V8 | N/A | Ignition Wire And Boot Kit |
| 2017 | Ford | F-250 Super Duty | 6.2L | V8 | N/A | Ignition Wire And Boot Kit |
| 2017 | Ford | F-350 Super Duty | 6.2L | V8 | N/A | Ignition Wire And Boot Kit |
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