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NGK 1493 Spark Plug
| Brand | NGK 1493 |
|---|---|
| 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 | .028 |
| Ground Electrode Quantity | 2 |
| Hex Size | 5/8 |
| Insulator Height | 50.00 |
| Manufacturer Heat Range | 9 |
| Seat Type | Flat |
| Reach | .75 |
| Thread Diameter | 10.00 |
| Part Number | Cr9ek blyb |
| Stock Number | 1493 |
| Fits | — |
OE supplier heritage. Backed by NGK's long-running original-equipment manufacturing experience.
Copper core design. Helps promote consistent spark performance and durability.
Standard spark plug. Flat-seat construction with a 5/8-inch hex for straightforward service.
Cross-references AMS Automotive 4155, NGK 1493 and Timken 653 for the same application. See all 13.
NGK CR9EK BLYB Spark Plug Overview
NGK 1493 is a standard carded spark plug built for dependable ignition performance in a wide range of domestic and import applications. It features a copper center electrode core, nickel center electrode tip, nickel ground electrode materials, and a 5,000 ohm resistor for stable operation in modern ignition systems.
As part of NGK’s Standard Carded Spark Plug line, this plug reflects the brand’s OE-focused manufacturing approach and long-standing coverage across automotive, motorcycle, marine, and small engine applications. For buyers searching NGK 1493 spark plug replacement options or CR9EK BLYB ignition service parts, this plug is a direct match to the listed specifications.
Key Features
- Part number: 1493
- NGK Standard Carded Spark Plug line
- Copper center electrode core for consistent conductivity
- Nickel center and ground electrode tip materials
- 5,000 ohm resistor
- Standard ground electrode tip and standard ground configuration
- Pre-gap size: .028
- 2 ground electrodes
- 10 mm thread diameter, .75 reach, flat seat
- 5/8 hex size with stud terminal type
- Manufacturer heat range: 9
Product Details
NGK 1493, also identified as CR9EK BLYB, is engineered to support reliable spark delivery and stable ignition performance where the specified heat range, reach, and thread size are required. The copper core helps promote efficient heat transfer, while the nickel electrode design supports durable everyday operation. This makes it a practical choice for service work on vehicles that call for the NGK 1493 specification, including select Honda and Yamaha applications where the correct plug match is critical.
This part cross-references Timken 653 for the same application.
Common Issues This Spark Plug Can Address
- Hard starting caused by worn or fouled spark plugs
- Rough idle from inconsistent ignition output
- Misfire conditions related to degraded electrode wear
- Reduced throttle response from weak spark delivery
- Maintenance replacement for vehicles calling for NGK 1493 or CR9EK BLYB
Installation Notes and Tips
Verify the thread diameter, reach, seat type, heat range, and pre-gap before installation. Confirm the vehicle application against the original plug specification, especially on Honda Civic and Yamaha models where ignition requirements can vary by engine configuration. Use proper torque procedures and inspect the ignition system, plug wires, and coil components during service.
Quality Assurance
NGK is a major OE spark plug supplier with extensive North American manufacturing, inventory, and distribution support. The brand’s OE-oriented production standards and broad application coverage make NGK 1493 a dependable service part for routine ignition maintenance.
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