Description
Product Overview
The NGK Standard 4730 spark plug combines a high‑conductivity copper core with a robust metal top, delivering precise ignition for a wide range of cars and trucks. Engineered with NGK’s triple‑gasket sealing process, it ensures a tight seal, minimizing misfires and maintaining optimal combustion. Dimensions are compact at 1 x 3.25 x 1 inches, weighing just 1.44 ounces, making it easy to install in both front and rear cylinder positions.
Usage
Ideal for everyday driving, performance tuning, and heavy‑duty applications, this plug fits vehicle‑specific requirements for cars and trucks. Whether replacing worn plugs or upgrading for smoother engine response, the 4730 model provides reliable spark across diverse driving conditions. 
Why Choose Us
NGNGK is the world’s largest OEM spark plug supplier, trusted by millions of vehicles. The 4730’s tolerances are engineered to near‑zero margin of error, guaranteeing consistent performance. Each plug undergoes rigorous quality checks, ensuring you receive a product that meets OEM standards and delivers long‑lasting reliability.
Key Features
- High‑conductivity copper core for strong spark
- Durable metal top material resists wear
- Triple‑gasket sealing for leak‑free performance
- Vehicle‑specific fit for front and rear positions
- OEM quality backed by NGK’s global reputation
FAQ
What vehicles are compatible with the NGK 4730 spark plug?
The 4730 is designed for a broad range of cars and trucks that require a standard copper core plug with an RM thread size. Check your vehicle’s service manual for exact fit.
How does the triple‑gasket sealing improve performance?
The triple‑gasket design creates a tighter seal around the plug, reducing combustion gas leakage and ensuring a more stable spark, which leads to smoother engine operation.
Can I install the plug myself?
Yes, the plug’s compact size and standard thread make it a DIY‑friendly replacement. Just follow the torque specifications in your vehicle’s manual.
Is the copper core better than iridium?
Copper provides excellent conductivity and is ideal for standard engines, offering reliable performance at a lower cost compared to premium iridium plugs.
What warranty does NGK offer on this spark plug?
NGK provides a limited warranty covering manufacturing defects, ensuring you receive a defect‑free product for the duration specified by the retailer.
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