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NGK 4730 Spark Plug
Reliable Ignition with NGK Standard Spark Plug 4730
The NGK Standard Spark Plug 4730 is engineered to provide consistent ignition performance for a variety of vehicles. 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 Design: Standard for reliable spark delivery
- Ground Electrode Core Material: Nickel for durability
- Center Electrode Core Material: Copper to enhance conductivity
- Center Electrode Tip Material: Nickel for wear resistance
- Pre-Gap Size: 0.028 inches for precise spark gap
- Hex Size: 18 mm for standard installation tools
- Thread Diameter: 12.00 mm with 0.75 inch reach
- Seat Type: Flat for secure sealing
- Electrical Terminal Type: Stud for compatibility with various ignition systems
- Manufacturer Heat Range: 8 suitable for moderate engine temperatures
About the NGK Standard Spark Plug Line
The NGK Standard Spark Plug line offers dependable ignition components designed to meet original equipment specifications. The Standard Spark Plug 4730 is part of this line, providing a balance of performance and durability with materials like copper and nickel electrodes. This line is ideal for drivers seeking reliable replacement spark plugs that maintain engine efficiency and meet OEM standards.
Technical Details and Performance
The NGK 4730 spark plug features a copper core center electrode that enhances electrical conductivity, promoting efficient ignition and combustion. The nickel ground electrode and tip design ensure durability under typical operating conditions. With a pre-gap size of 0.028 inches and a flat seat type, this spark plug maintains a consistent spark gap and secure fitment. The 18 mm hex size and stud terminal type facilitate straightforward installation and compatibility with many ignition systems. Its heat range of 8 is suitable for engines operating under moderate thermal conditions.
Applications and Problem Solving
- Compatible with various vehicle makes and models requiring a 12 mm thread diameter and 0.75 inch reach spark plug
- Addresses issues such as misfires caused by worn or faulty spark plugs
- Helps improve engine starting reliability and smooth idling
- Reduces rough engine performance due to inconsistent spark delivery
- Supports maintenance of fuel efficiency by ensuring proper combustion
Installation Notes and Tips
When installing the NGK Standard Spark Plug 4730, ensure the spark plug gap is set to the specified 0.028 inches if adjustment is necessary. Use an 18 mm socket wrench for proper torque application to avoid damage to the spark plug or cylinder head. Confirm compatibility with your vehicle’s ignition system, especially regarding the stud-type electrical terminal. Always follow the vehicle manufacturer’s recommended torque specifications and installation procedures.
Quality Assurance and Warranty
NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Standard Spark Plug 4730 undergoes rigorous testing to comply with OEM specifications. While specific warranty details are not provided here, NGK products typically come with manufacturer-backed quality assurance to support customer confidence in their ignition components.
| Brand | NGK |
| Part Number | 4730 |
| 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 | 1 |
| Hex Size | 18 |
| Insulator Height | 50.00 |
| Manufacturer Heat Range | 8 |
| Seat Type | Flat |
| Reach | .75 |
| Thread Diameter | 12.00 |
| Part Number | Dpr8z |
| Stock Number | 4730 |
This part fits 0 vehicles. Search below:
| Year | Make | Model | Position | Notes |
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* 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.