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NGK 5122 Spark Plug
Reliable Ignition with NGK Standard Spark Plug 5122
The NGK Standard Spark Plug 5122 is engineered to provide consistent ignition performance for select Honda and Porsche models. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.
- Resistance: 5000 ohms for optimal electrical performance
- Ground Electrode Tip and Configuration: Standard design with a single nickel core electrode
- Center Electrode: Copper core with nickel tip for effective conductivity
- Pre-Gap Size: .032 inches for proper spark gap
- Thread Diameter: 14.00 mm with a reach of .75 inches
- Hex Size: 13/16 inch for easy installation
- Seat Type: Flat for secure sealing
- Electrical Terminal: Removable nut for versatile connection
- Manufacturer Heat Range: 7, suitable for moderate engine temperatures
- Insulator Height: 55.00 mm for reliable insulation
About the NGK Standard Spark Plug Line
The Standard Spark Plug line by NGK offers dependable ignition components designed to meet OEM specifications. The 5122 part number belongs to this line, providing a balance of durability and performance for secondary ignition systems. These plugs are engineered to maintain consistent spark delivery and resist fouling under typical driving conditions.
Technical Details and Compatibility
This NGK spark plug features a nickel ground electrode and copper core center electrode, combining corrosion resistance with excellent electrical conductivity. The single ground electrode design and a pre-set gap of .032 inches ensure reliable ignition in engines requiring a heat range of 7. The flat seat and 14 mm thread diameter with .75 inch reach make it compatible with specific Honda and Porsche models, including the Honda Accord, Honda Prelude, and Porsche 911.
Common Applications and Problem Solving
- Restores proper ignition in Honda Accord and Prelude engines
- Improves combustion efficiency in Porsche 911 secondary ignition systems
- Addresses misfires caused by worn or fouled spark plugs
- Reduces engine hesitation and rough idling
- Helps maintain fuel economy by ensuring consistent spark delivery
Installation Notes and Tips
When installing the NGK Standard Spark Plug 5122, ensure the spark plug gap is set to the specified .032 inches if adjustment is needed. Use a 13/16 inch socket for proper torque application and avoid over-tightening to prevent thread damage. The removable nut electrical terminal allows for flexible connection options during installation. Always verify compatibility with your vehicle’s make and model before installation.
Quality Assurance and Warranty
NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Standard Spark Plug 5122 is produced with high-quality materials such as nickel and copper to withstand typical engine conditions. While specific warranty details may vary, NGK products generally come with manufacturer-backed quality assurance to support long-term use.
| Brand | NGK |
|---|---|
| Part Number | 5122 |
| Position | Standard Spark Plug |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Nickel |
| Electrical Terminal Type | Removable Nut |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Nickel |
| Ground Electrode Quantity | 1 |
| Ground Electrode Tip Design | Standard |
| Hex Size | 13/16 |
| Insulator Height | 55.00 |
| Manufacturer Heat Range | 7 |
| Part Number | BR7ES |
| Pre-Gap Size | .032 |
| Reach | .75 |
| Resistance | 5000 |
| Seat Type | Flat |
| Stock Number | 5122 |
| Thread Diameter | 14.00 |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1980 | Honda | Prelude | 1.8L | L4 | N/A | Federal Emissions; Gap 0.032"; Actual OE Manufacturer; Standard Spark Plug |
| 1979 | Honda | Accord | 1.8L | L4 | N/A | OEM recommends 0.032 inch gap for spark plug.; Standard Spark Plug |
| 1979 | Honda | Prelude | 1.8L | L4 | N/A | OEM recommends 0.032 inch gap for spark plug.; Standard Spark Plug |
| 1973 | Porsche | 911 | 2.3L | H6 | N/A | 0.032" Gap; OE Equivalent Design; Standard Spark Plug |
| 1967 | Porsche | 911 | 2.0L | H6 | N/A | 0.032" Gap; OE Equivalent Design; Standard Spark Plug |
| 1966 | Porsche | 911 | 2.0L | H6 | N/A | 0.032" Gap; OE Equivalent Design; Standard Spark Plug |
| 1965 | Porsche | 911 | 2.0L | H6 | N/A | 0.032" Gap; OE Equivalent Design; Standard Spark Plug |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.