4123 Autolite Spark Plugs Spark Plug OE Replacement

Experience the difference with the 4123 Autolite Spark Plugs, designed to ensure optimal engine performance and reliability. These spark plugs are engineered to meet or exceed original equipment specifications, making them the perfect OE replacement.

Key Features:

• Quick Starts: Enjoy reliable ignition for easier starts, even in challenging conditions.
• Improved Fuel Economy: Designed to enhance combustion efficiency, leading to better fuel mileage.
• Smooth Acceleration: Experience a responsive throttle and a seamless driving experience.
• Copper Core Technology: Features a full copper core electrode that provides superior performance in all conditions.
• Gas-Tight Seal: The copper-glass seal ensures a 100% leak-proof design, maintaining full voltage at the spark gap.
• Multi-Rib Insulator: Reduces the risk of flash-over, ensuring reliable operation.
• Durable Construction: The cold-formed steel shell and precision rolled threads guarantee long-lasting durability.
• Resistor Design: Reduces radio frequency interference (RFI) and minimizes electrode erosion, promoting longevity.

Specifications:

• Reach: 0.472 Inch
• Resistor: Yes
• Electrode Type: OEM
• Electrode Core Material: Copper
• Electrode Tip Material: Nickel Alloy
• Insulator Type: Projected
• Thread Size: 14 Millimeter X 1.25
• Seat Type: Gasket
• Wrench Diameter: 13/16 Inch Hex

With a limited 2-year warranty, the 4123 Autolite Spark Plugs stand as a testament to quality and performance. Upgrade your vehicle's ignition system today and experience the benefits of reliable starts, efficient fuel use, and enhanced acceleration.