666 Autolite Spark Plugs Spark Plug OE Replacement
666 Autolite Spark Plugs Spark Plug OE Replacement
Hurry up, only 5 items left in stock.
Couldn't load pickup availability
666 Autolite Spark Plugs Spark Plug OE Replacement
Experience the power of reliable ignition with the 666 Autolite Spark Plugs. With over 100 years of industry expertise and more than 11 billion spark plugs produced, Autolite stands as a trusted name in the automotive market.
Key Features:
- OE Quality Assurance: Designed specifically for each application, these spark plugs meet or exceed Original Equipment quality and performance standards.
- Wide Compatibility: Suitable for Japanese, European, and Korean vehicles, as well as lawn and garden equipment and power sports vehicles.
- Innovative Design: Features a copper-glass seal that bonds the insulator, terminal post, and center electrode, ensuring a gas-tight, leak-proof seal.
- Enhanced Performance: The full copper core electrode delivers better performance in all conditions, guaranteeing quick starts, good fuel economy, and smooth acceleration.
- Durability: The cold-formed steel shell and precision rolled threads ensure a robust and reliable component.
- Radio Frequency Interference (RFI) Reduction: The built-in resistor minimizes radio frequency interference and electrode erosion.
- Limited Warranty: Backed by a limited 2-year warranty for peace of mind.
Specifications:
- Reach: 0.46 Inch
- Resistor: Yes
- Electrode Type: OEM
- Core Material: Copper
- Insulator Type: Projected
- Thread Size: 14 Millimeter
- Seat Type: Tapered
- Wrench Diameter: 5/8 Inch Hex
Upgrade your vehicle's ignition system with the 666 Autolite Spark Plugs, the perfect choice for anyone seeking performance, reliability, and efficiency.
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.

