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NGK 7499 Spark Plug
| Brand | NGK 7499 |
|---|---|
| Resistance | 1 |
| Ground Electrode Tip Design | Standard |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Nickel |
| Electrical Terminal Type | Stud |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Nickel |
| Pre-Gap Size | .032 |
| Ground Electrode Quantity | 1 |
| Hex Size | 5/8 |
| Insulator Height | 50.00 |
| Manufacturer Heat Range | 9 |
| Seat Type | Flat |
| Reach | .75 |
| Thread Diameter | 10.00 |
| Part Number | C9e |
| Stock Number | 7499 |
| Fits | — |
OE supplier heritage. Backed by NGK's long-running spark plug manufacturing expertise.
Copper core design. Helps promote consistent ignition performance.
Standard spark plug. A direct-fit replacement for routine ignition service.
Cross-references NGK 7499, StrongArm 4128 and 92070-1142 for the same application. See all 10.
NGK 7499 Standard Spark Plug Overview
NGK 7499 is a standard spark plug built for dependable ignition performance in a wide range of domestic and import applications. As part of the NGK Standard Spark Plug line, it combines a copper center electrode core, nickel center electrode tip, and nickel ground electrode materials for consistent spark delivery and stable combustion.
For drivers searching for an NGK spark plug for Honda Civic or Toyota Corolla service, this plug is a direct replacement option when the vehicle calls for the specified heat range, reach, and thread size. The NGK 7499 spark plug is also referenced by part number C9E.
Key Features
- NGK Standard Spark Plug line for OE-style ignition service
- Part number 7499, also identified as C9E
- Copper center electrode core for efficient heat transfer
- Nickel center and ground electrode tip materials
- Standard ground electrode design with one ground electrode
- 1 ohm resistance for ignition system compatibility
- Pre-gapped to .032 for common service applications
- 10 mm thread diameter, .75 reach, and flat seat design
- 5/8 hex size and stud terminal type
Product Details
NGK has long supplied spark plugs for domestic and import vehicles, and the Standard Spark Plug line focuses on original equipment-style fit and dependable operation. This NGK 7499 spark plug uses a copper core with nickel electrode materials to support steady ignition performance, while the .032 pre-gap and 9 heat range help match the requirements of specific engine applications. It is a practical choice for routine tune-up service on vehicles such as Honda Civic and Toyota Corolla when the engine calls for this exact plug specification.
This part cross-references StrongArm 4128 for the same application.
Common Issues This Spark Plug Can Address
- Hard starting caused by worn spark plug electrodes
- Rough idle from inconsistent ignition firing
- Misfire conditions related to plug wear or incorrect gap
- Reduced fuel economy from weak spark delivery
- Loss of throttle response from degraded ignition performance
Installation Notes and Tips
Verify the engine calls for the NGK 7499 spark plug specification before installation, including thread diameter, reach, seat type, and heat range. Check the plug gap against the vehicle service information before use, even though this plug is pre-gapped to .032. Use proper torque procedures and inspect ignition wires or coils during service to help maintain consistent performance. For Honda Civic and Toyota Corolla applications, confirm the exact engine code and plug specification before ordering.
Quality Assurance
NGK is a major OE spark plug supplier in North America and manufactures ignition components to original equipment standards. The 7499 spark plug reflects that OE-focused approach with controlled materials, dimensional accuracy, and broad application coverage across domestic and import vehicles.
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