4263 Spark Plug 4263/4 Copper
4263 Spark Plug 4263/4 Copper
Out of stock
4263 Spark Plug 4263/4 Copper
Unlock superior engine performance with the 4263 Spark Plug 4263/4 Copper. Designed for durability and efficiency, this spark plug is a must-have for those seeking reliable ignition and optimal engine function.
Key Features:
- Copper-Glass Seal: The innovative copper-glass seal bonds the insulator, terminal post, and center electrode, ensuring a gas-tight seal that is 100% leak-proof.
- Multi-Rib Insulator: Engineered to minimize the risk of “flash-over,” enhancing the overall safety and reliability.
- One-Piece Terminal Post: Adds strength and stability, providing enhanced durability during operation.
- Resistor Technology: Reduces radio frequency interference (RFI) and minimizes electrode erosion for extended lifespan.
- Cold-Formed Steel Shell: Features precision rolled threads that facilitate secure installation and reliability.
- Full Copper Core Electrode: Offers superior performance in all conditions, ensuring a consistent spark every time.
Important Note:
Please verify all cross-reference listings before making your purchase to ensure compatibility with your vehicle.
Upgrade your engine's ignition system with the 4263 Spark Plug 4263/4 Copper and experience enhanced performance and reliability on every drive.
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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.

