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NGK 5422 Spark Plug
Reliable Ignition for Porsche 911 Vehicles
The NGK Standard Spark Plug 5422 is engineered to provide consistent ignition performance for Porsche 911 models. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine operation.
- Resistance: 5000 ohms for optimal electrical performance
- Ground Electrode Tip and Configuration: Standard design with nickel material
- Center Electrode: Copper core with nickel tip for reliable conductivity
- Pre-Gap Size: .032 inches for precise spark delivery
- Thread Diameter: 14.00 mm with a reach of .75 inches
- Hex Size: 13/16 inch for easy installation
- Seat Type: Flat for secure fitment
- Electrical Terminal: Removable nut for versatile connection
- Manufacturer Heat Range: 8, suitable for specific engine requirements
About the NGK Standard Spark Plug Line
The Standard Spark Plug line by NGK offers dependable ignition components designed to meet OEM specifications. This product line focuses on delivering consistent performance and durability using quality materials such as nickel and copper. The 5422 spark plug maintains the balance between cost-effectiveness and reliable operation, making it a practical choice for Porsche 911 secondary ignition needs.
Technical Details and Performance
The NGK 5422 spark plug features a single ground electrode made from nickel, paired with a copper core center electrode tipped with nickel. This combination ensures stable electrical conductivity and resistance to wear. The 5000-ohm resistance helps reduce radio frequency interference, protecting vehicle electronics. With a pre-gap size of .032 inches and a flat seat type, this spark plug is designed for precise ignition timing and secure installation in Porsche 911 engines.
Common Applications and Problem Solving
- Restores proper ignition in Porsche 911 secondary ignition systems
- Addresses misfires caused by worn or damaged spark plugs
- Improves engine start-up reliability and smooth running
- Reduces electrical interference affecting onboard electronics
- Helps maintain fuel efficiency by ensuring complete combustion
Installation Notes and Tips
When installing the NGK Standard Spark Plug 5422, ensure the spark plug gap is set to .032 inches if adjustment is necessary. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended specifications to avoid damage to the flat seat or threads. The 13/16 inch hex size allows for compatibility with common spark plug sockets. The removable nut electrical terminal provides flexibility for various ignition wire connections.
Quality Assurance and Warranty
NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Standard Spark Plug 5422 undergoes rigorous testing to comply with OEM specifications for Porsche 911 vehicles. While specific warranty details may vary, NGK products typically come with a limited warranty against manufacturing defects.
| Brand | NGK |
|---|---|
| Part Number | 5422 |
| 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 | 8 |
| Part Number | BR8ES |
| Pre-Gap Size | .032 |
| Reach | .75 |
| Resistance | 5000 |
| Seat Type | Flat |
| Stock Number | 5422 |
| Thread Diameter | 14.00 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1971 | Porsche | 911 | 2.2L | H6 | N/A | Gap 0.024"; OE Equivalent Design; Standard Spark Plug | |
| 1971 | Porsche | 911 | E | 2.2L | H6 | N/A | Gap 0.024"; OE Equivalent Design; Standard Spark Plug |
| 1970 | Porsche | 911 | E | 2.2L | H6 | N/A | Gap 0.024"; OE Equivalent Design; Standard Spark Plug |
| 1968 | Porsche | 911 | 2.0L | H6 | N/A | Gap 0.024"; 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.