HomeIgnition > Secondary IgnitionNGK 4730 Spark Plug
Part #: 4730

NGK 4730 Spark Plug

🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$12.11Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

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.

BrandNGK
Part Number4730
Resistance5000
Ground Electrode Tip DesignStandard
Ground ConfigurationStandard
Ground Electrode Core MaterialNickel
Electrical Terminal TypeStud
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialNickel
Pre-Gap Size.028
Ground Electrode Quantity1
Hex Size18
Insulator Height50.00
Manufacturer Heat Range8
Seat TypeFlat
Reach.75
Thread Diameter12.00
Part NumberDpr8z
Stock Number4730

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* 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:

4106473098061-58616X22GPR-UX24GPR-U

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.