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NGK 6743 Spark Plug
| Brand | NGK 6743 |
|---|---|
| Resistance | 10000 |
| Ground Electrode Tip Design | Standard |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Nickel |
| Electrical Terminal Type | Removable nut |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Nickel |
| Pre-Gap Size | .028 |
| Ground Electrode Quantity | 1 |
| Hex Size | 3/4 |
| Insulator Height | 40.00 |
| Manufacturer Heat Range | 4 |
| Seat Type | Flat |
| Reach | .375 |
| Thread Diameter | 14.00 |
| Part Number | Bmr4a blyb |
| Stock Number | 6743 |
| Product line | Standard Carded Spark Plug |
| Fits | Argo · 2 vehicles |
OE supplier heritage. NGK brings decades of ignition manufacturing experience to this spark plug.
Copper core design. Promotes efficient heat transfer for stable plug operation.
Standard replacement fit. Built with a flat seat, removable nut terminal, and nickel electrode materials.
Cross-references AMS Automotive 6019, Autolite 258 and Bosch 6743 for the same application. See all 19.
Overview
The NGK 6743 standard carded spark plug is built for ignition service where consistent firing, stable resistance, and OE-style construction matter. It fits 2006 Argo Conquest 6x6 and 2006 Argo Conquest 8x8 applications with Kawasaki FD620D 20HP engine notes listed in the fitment data.
NGK is a long-established OE supplier in North America, and this spark plug reflects that background with a copper core center electrode, nickel tip materials, and a removable nut terminal for common ignition setups. The NGK 6743 is a practical replacement choice for owners maintaining Argo Conquest models with the specified engine application.
- 10000 ohm resistance for controlled ignition performance.
- Copper core center electrode for efficient heat transfer.
- Nickel center and ground electrode tip materials.
- Standard ground electrode and flat seat design.
- Pre-gapped to .028 with a 14 mm thread diameter and .375 reach.
Fitment Details
- Fits 2006 Argo Conquest 6x6, N/A. Notes: Kawasaki FD620D 20HP Engine; Gap 0.024"; Standard Carded Spark Plug.
- Fits 2006 Argo Conquest 8x8, N/A. Notes: Kawasaki FD620D 20HP Engine; Gap 0.024"; Standard Carded Spark Plug.
Common Uses
- Restoring weak or inconsistent spark output.
- Replacing worn electrodes with a standard ignition service part.
- Addressing hard starting caused by plug wear or fouling.
- Maintaining proper combustion in the specified engine application.
Installation Notes
Verify the thread diameter, reach, seat type, and heat range before installation. Confirm the gap specification against the engine requirements listed in the fitment notes, and inspect the ignition system for wear that could affect plug performance.
Quality Assurance
NGK manufactures spark plugs to original equipment standards and supports a broad range of automotive and engine applications. Part number 6743 is also identified as BMR4A BLYB.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2006 | Argo | Conquest 6x6 | -L | -- | Kawasaki FD620D 20HP Engine; Gap 0.024"; Standard Carded Spark Plug |
| 2006 | Argo | Conquest 8x8 | -L | -- | Kawasaki FD620D 20HP Engine; Gap 0.024"; Standard Carded Spark Plug |
| No rows match your filter. | |||||