103 Autolite Spark Plugs Spark Plug OE Replacement
103 Autolite Spark Plugs Spark Plug OE Replacement
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103 Autolite Spark Plugs Spark Plug OE Replacement
Experience the superior performance and reliability of the 103 Autolite Spark Plugs—an essential ignition component designed to meet and exceed Original Equipment (OE) standards. With over a century of expertise, Autolite has cemented its reputation as a leading provider of high-quality ignition products.
Key Features:
- High-Quality Construction: Crafted with a copper-glass seal that bonds the insulator and terminal post to ensure a gas-tight seal, providing 100% leak-proof performance.
- Enhanced Performance: The full copper core electrode delivers optimal performance under all conditions, ensuring quick starts, improved fuel economy, and smooth acceleration.
- Multi-Rib Insulator: This feature significantly reduces the risk of flash-over, enhancing the reliability of your ignition system.
- Durable Design: The one-piece terminal post adds strength, and the cold-formed steel shell with precision rolled threads ensures a lasting fit.
- Resistor Technology: Integrated resistor reduces radio frequency interference (RFI) and minimizes electrode erosion for a longer lifespan.
Specifications:
- Reach: 0.708 Inch
- Resistor: Yes
- Electrode Type: OEM
- Electrode Core Material: Copper
- Insulator Type: Projected
- Thread Size: 14 Millimeter
- Seat Type: Tapered
- Wrench Diameter: 5/8 Inch Hex
Warranty:
Enjoy peace of mind with a limited 2-year warranty, ensuring that you receive a product built to withstand the demands of both import and domestic vehicles.
Choose Autolite for your ignition needs and drive with confidence, knowing you've selected an industry leader dedicated to quality and performance.
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.

