4123 Spark Plug 4123/4 Copper
4123 Spark Plug 4123/4 Copper
Out of stock
4123 Spark Plug 4123/4 Copper
Introducing the 4123 Spark Plug 4123/4 Copper – your ultimate solution for optimal engine performance! Designed with cutting-edge technology and precision engineering, this spark plug is crafted to elevate your vehicle's efficiency and reliability on the road.
Key Features:
- Copper-Glass Seal: Effectively bonds the insulator, terminal post, and center electrode, ensuring full voltage delivery at the spark gap for maximum ignition efficiency.
- Gas-Tight Seal: Engineered to be 100% leak-proof, providing you with peace of mind and consistent performance.
- Multi-Rib Insulator: Designed to minimize the risk of “flash-over,” enhancing overall safety during operation.
- One-Piece Terminal Post: Increases durability and strength, ensuring a reliable connection within your engine.
- Resistor Technology: Reduces radio frequency interference (RFI) and electrode erosion, contributing to a longer spark plug life.
- Cold-Formed Steel Shell: Precision rolled threads allow for secure installation and a perfect fit.
- Full Copper Core Electrode: Delivers superior performance across all driving conditions, maximizing your engine's potential.
Before making a purchase, we recommend verifying all cross-reference listings to ensure compatibility with your vehicle. Invest in the 4123 Spark Plug 4123/4 Copper today and experience the difference in performance and reliability!
Couldn't load pickup availability
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.

