7421 NGK Spark Plugs Spark Plug Non Automotive
7421 NGK Spark Plugs Spark Plug Non Automotive
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7421 NGK Spark Plugs Spark Plug Non Automotive
Experience superior performance and longevity with the 7421 NGK Spark Plug, designed specifically for non-automotive applications. This spark plug is engineered with advanced features to ensure optimal functionality and reliability.
Key Features:
- Trivalent Metal Plating: Provides exceptional anti-corrosion and anti-seizing properties for enhanced durability.
- Corrugated Ribs: Effectively prevent flashover, ensuring reliable electrical performance.
- Pure Alumina Silicate Ceramic Insulator: Offers superior strength and improved heat transfer capabilities.
- Copper Core: Aids in efficient heat removal, promoting the longevity of the spark plug.
- Triple Seals: Prevent leakage, ensuring consistent performance.
- Standard Construction: Designed for longer life and optimum performance in various applications.
Specifications:
- Reach: 3/8 Inch
- Resistor: Yes
- Electrode Type: Standard
- Core Material: Nickel
- Electrode Tip Material: Nickel
- Insulator Type: Non-Projected
- Thread Size: 14 Millimeter
- Seat Type: Gasket
- Wrench Diameter: 3/4 Inch
- Quantity: Single
Warranty:
Enjoy peace of mind with a limited 90-day warranty on your purchase.
Upgrade your equipment with the 7421 NGK Spark Plug and experience the difference in performance and reliability!
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Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

