/live/media/NG/NG_7502_Fro.jpg)
NGK 7502 Spark Plug
| Brand | NGK 7502 |
|---|---|
| Resistance | 5000 |
| 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 | .036 |
| 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 | Cr9eh-9 |
| Stock Number | 7502 |
| Fits | — |
OE supplier heritage. Built to original equipment standards for dependable performance.
Copper core design. Helps promote consistent ignition and reliable operation.
Standard spark plug. A direct-fit replacement for many automotive, motorcycle, marine, and small engine applications.
Cross-references Carlson 7502, DENSO Auto Parts 4129 and 4199 for the same application. See all 7.
NGK CR9EH-9 Standard Spark Plug
NGK Standard Spark Plug 7502 is built for dependable ignition performance in a wide range of domestic and import applications. This NGK spark plug uses a copper center electrode core, nickel center and ground electrode tips, and a standard ground configuration to support consistent combustion and stable engine operation.
Key Features
- Part number 7502 / NGK CR9EH-9
- Standard spark plug design for everyday ignition service
- Copper center electrode core material for efficient heat transfer
- Nickel center electrode tip and nickel ground electrode tip
- Standard ground electrode configuration with one ground electrode
- Pre-gapped at .036 inch
- 5,000 ohm resistance
- Flat seat design, 10 mm thread diameter, .75 inch reach, 5/8 inch hex
- Manufacturer heat range 9
- Stud terminal type
Detailed Description
The NGK Standard Spark Plug line focuses on OE-style construction and broad vehicle coverage, backed by NGK’s long history as a major original equipment supplier. Part number 7502 is engineered with a copper core center electrode and nickel firing surfaces to promote reliable spark delivery and steady ignition performance. The CR9EH-9 specification also includes a .036 pre-gap, flat seat, and 5,000 ohm resistance for use in applications that call for this configuration. This spark plug is a direct service choice for drivers searching for NGK CR9EH-9, NGK 7502, or a standard spark plug for Honda Civic and similar vehicle applications where this exact specification is required.
This part cross-references DENSO Auto Parts 4129 for the same application.
What It Helps Address
- Hard starting caused by worn or fouled spark plugs
- Rough idle from weak or inconsistent spark output
- Misfire conditions related to degraded plug electrodes
- Reduced combustion efficiency from incorrect plug heat range or gap
- Service replacement needs for vehicles calling for CR9EH-9 specifications
Installation Notes and Tips
Verify the engine calls for a 10 mm, flat-seat spark plug with .75 inch reach and a .036 inch gap before installation. Check the plug gap against the vehicle service specification, and confirm the terminal type and heat range match the original application. For Honda Civic and other vehicles using this specification, follow the manufacturer’s torque procedure and inspect ignition components during service.
Quality Assurance
NGK is a long-established OE supplier with manufacturing and distribution operations in North America and worldwide. The brand’s spark plugs are produced to support original equipment standards for durability and consistent engine performance across domestic and import vehicle applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| No rows match your filter. | ||||